text stringlengths 320 395k | id stringlengths 33 39 | metadata dict |
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## Thursday, July 25, 2013 ... //
### Spanish train crash: quantifying the acceleration
A tragically motivated homework problem in mechanics
Chances are that you have already seen the dramatic video of the Wednesday Santiago de Compostela derailment. Warning: the following video is brutal.
78 people died and 145 ex... | Geralt-Targaryen/finemath/00000/1517 | {
"crawl": "CC-MAIN-2021-31",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.5
} |
# Non-deterministic Finite Automaton
#### Finite Automata
98 Lectures 10 hours
#### Theory of Computation - Finite Automata | Automata Theory in Hindi
15 Lectures 2 hours
#### State Machines and Automata: Building a RegExp Machine
16 Lectures 1.5 hours
In NDFA, for a particular input symbol, the machine can move... | Geralt-Targaryen/finemath/00000/1531 | {
"crawl": "CC-MAIN-2023-06",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.03125
} |
Home » Free Class Notes for CBSE Board » CBSE Class 10 Maths Notes » CBSE Class 10 Maths Notes for Chapter 1- Real Numbers
# CBSE Class 10 Maths Notes for Chapter 1- Real Numbers
CHAPTER 1 REAL NUMBERS
Theorem 1: Euclid’s Division Lemma
• Given positive integers a and b, there exists a unique integers q and r satis... | Geralt-Targaryen/finemath/00000/1536 | {
"crawl": "CC-MAIN-2024-38",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.8125
} |
# A rectangular field has a perimteter of 200 feet and the length is 50 feet longer than the width. What is the width of the field?
42,136 results
### math
A farmer needs to fence a rectangular piece of land.She wants the length of the field to be 55 feet longer than the width. If she has 1310 feet of fencing materi... | Geralt-Targaryen/finemath/00000/1537 | {
"crawl": "CC-MAIN-2018-05",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.03125
} |
10 November, 11:44
# A team had 80 players last year. This year it has 96 players. Find the percent increase in players. Show all your work.
+1
1. 10 November, 11:50
0
The formula to figure out the percentage increase or decrease is:
(new - old) / old * 100%
new = 96
old = 80
(96 - 80) / 72 * 100%
16 / 72 * 100%... | Geralt-Targaryen/finemath/00000/1542 | {
"crawl": "CC-MAIN-2024-30",
"dataset": "Geralt-Targaryen/finemath",
"score": 4
} |
Home > margin of > quick method margin of error
# Quick Method Margin Of Error
## Contents
Curve) Z-table (Right of Curve) Probability and Statistics Statistics Basics Probability Regression Analysis Critical Values, Z-Tables & Hypothesis Testing Normal Distributions: Definition, Word Problems T-Distribution Non Nor... | Geralt-Targaryen/finemath/00000/1544 | {
"crawl": "CC-MAIN-2019-43",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.1875
} |
The discussion about fractional calculus, which led to this series of articles, was started by a couple of sixth form students on the askNRICH webboard. Before reading this article you may like to read the first two articles Fractional Calculus I and Fractional Calculus II and see the conversation on the webboard.
Der... | Geralt-Targaryen/finemath/00000/1545 | {
"crawl": "CC-MAIN-2017-47",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.6875
} |
# 84 hours and 19 minutes in minutes
## Result
84 hours 19 minutes equals 5059 minutes
## How to convert 84 hours 19 minutes to minutes?
In order to convert 84 hours and 19 minutes to minutes we need to take the hours part and transform it into minutes. We know that 1 hour equals 60 minutes. Therefore to get the nu... | Geralt-Targaryen/finemath/00000/1550 | {
"crawl": "CC-MAIN-2023-50",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.15625
} |
# Solve the following equations. i) 9 1/4 = y - 1 1/3 ii) x/2 − 4/5 + x/5 + 3x/10 = 1/5
33 views
closed
Solve the following equations.
i) 9$\frac14$ = y - 1$\frac13$
ii) x/2 − 4/5 + x/5 + 3x/10 = 1/5
iii) x/2 - 1/4 = x/3 + 1/2
iv) $\frac{2x\,-\,3}{3x\,+\,3}$ = -2/3
+1 vote
by (43.1k points)
selected
i) 9$\... | Geralt-Targaryen/finemath/00000/1554 | {
"crawl": "CC-MAIN-2022-27",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.125
} |
It is currently 23 Sep 2017, 09:45
# Happening Now:
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#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customize... | Geralt-Targaryen/finemath/00000/1573 | {
"crawl": "CC-MAIN-2017-39",
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< Previous Section Home Next Section >
# Section 5.1Introduction to Accumulation Functions
Basketball Rocket Approximate Rate of Change Functions Define Approximate Rate of Change Function Concept of Differential Redux Define Left(t) Conceptually Define Approx Accum Function Conceptually Exercise Set 5.1
In Chapter... | Geralt-Targaryen/finemath/00000/1581 | {
"crawl": "CC-MAIN-2024-33",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.4375
} |
7
Q:
# Cost of 8 pencils, 5 pens and 3 erasers is Rs 111. Cost of 9 pencils, 6 pens and 5 erasers is Rs 130. Cost of 16 pencils, 11 pens and 3 erasers is Rs 221. What is the cost (in Rs) of 39 pencils, 26 pens and 13 erasers?
A) 316 B) 546 C) 624 D) 482
Explanation:
Q:
A man bought 2 articles for ₹3050 each. He so... | Geralt-Targaryen/finemath/00000/1587 | {
"crawl": "CC-MAIN-2022-27",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.125
} |
# Math
posted by .
15-75x=13-50x
I combine like terms first 75x-50x?
• Math -
doesn't really matter
15-75x = 13-50x
2-75x = -50x
2 = 25x
x = 2/25
15-75x = 13-50x
15 = 13+25x
2 = 25x
x = 2/25
• Math -
Thank you
## Similar Questions
1. ### Intermediate Algebra Word Problem
A map's key indicates that 3/4 of an... | Geralt-Targaryen/finemath/00000/1601 | {
"crawl": "CC-MAIN-2018-05",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.0625
} |
# Search by Topic
#### Resources tagged with Limits similar to Same Height:
Filter by: Content type:
Stage:
Challenge level:
### There are 4 results
Broad Topics > Pre-Calculus and Calculus > Limits
### Lower Bound
##### Stage: 3 Challenge Level:
What would you get if you continued this sequence of fraction sums... | Geralt-Targaryen/finemath/00000/1608 | {
"crawl": "CC-MAIN-2016-40",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.03125
} |
# `int_0^3 sqrt(x^2+16) dx` Use integration tables to evaluate the definite integral.
Recall indefinite integral follows `int f(x) dx = F(x)+C`
where:
`f(x)` as the integrand
`F(x)` as the antiderivative of f(x)
`C` as the constant of integration.
From the table of integrals, we follow the formula:
`sqrt(x^2+-a^... | Geralt-Targaryen/finemath/00000/1617 | {
"crawl": "CC-MAIN-2022-49",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.25
} |
BdMO Junior Problems and Solutions 2020
Problem 1: m and n are positive integers such that 1 + 2m = n2. Find the sum of all possible values of 10m+n. [xy = yth power of x. 32 = 9]
Problem 2: Consider rectangle ABCD. Let E be the midpoint of side AD and let F be the midpoint of ED. Let G be the intersection of CE with... | Geralt-Targaryen/finemath/00000/1618 | {
"crawl": "CC-MAIN-2021-21",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.09375
} |
You are Here: Home >< Maths
# Help!! watch
1. Don't understand how to do these type questions, can anyone help??
2. Sure, it's about looking at things logically and seeing what information you have available. So there are 106 people total, but if we add up each category the total is 126. In other words, some people f... | Geralt-Targaryen/finemath/00000/1638 | {
"crawl": "CC-MAIN-2018-22",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.40625
} |
Question
# a. What is the future value in five years of \$1,200 invested in an account with...
a. What is the future value in five years of \$1,200 invested in an account with an annual percentage rate of 10 percent, compounded annually? (Do not round intermediate calculations and round your answer to 2 decimal place... | Geralt-Targaryen/finemath/00000/1642 | {
"crawl": "CC-MAIN-2023-23",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.3125
} |
All Collections
Editor: how to add and edit learning materials
Which answer check methods are available in math exercises?
Which answer check methods are available in math exercises?
Are you creating a math exercise and you want to know which methods are available to check the student answer? This article explains how.... | Geralt-Targaryen/finemath/00000/1661 | {
"crawl": "CC-MAIN-2023-23",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.34375
} |
Examveda
# In an examination 80% candidates passed in English and 85% candidates passed in Mathematics. If 73% candidates passed in both these subjects, then what per cent of candidates failed in both the subjects?
A. 8
B. 15
C. 27
D. 35
### Solution(By Examveda Team)
Students passed in English = 80%
Students pa... | Geralt-Targaryen/finemath/00000/1662 | {
"crawl": "CC-MAIN-2021-49",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.34375
} |
0
# How do you find area of square if diagonal is given?
Updated: 4/28/2022
Wiki User
13y ago
Using Pythagoras' theorem which says that the square on the hypotenuse (in this case the diagonal) is equal to the sum of the squares on the other two sides (which in the case of a square would be equal in length).
so if... | Geralt-Targaryen/finemath/00000/1666 | {
"crawl": "CC-MAIN-2024-22",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.125
} |
# Comparing Fractions Worksheets and Lessons
## How to compare and order fractions?
All the objects around us are not alike, most of things are different than each other. We can notice the difference on basis of size, color, visibility and shape. There are many ways to tell the difference in objects around us, and on... | Geralt-Targaryen/finemath/00000/1668 | {
"crawl": "CC-MAIN-2013-20",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.9375
} |
Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack
It is currently 22 May 2017, 20:26
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Dail... | Geralt-Targaryen/finemath/00000/1673 | {
"crawl": "CC-MAIN-2017-22",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.21875
} |
# Thread: FTC to find the derivative of this function
1. ## FTC to find the derivative of this function
I've attached a picture, I have a good handle on using the fundamental theorem of calculus to find derivatives of functions, but this one is just stumping me for some reason. First I tried doing it as is, then I li... | Geralt-Targaryen/finemath/00000/1682 | {
"crawl": "CC-MAIN-2018-22",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.0625
} |
USING OUR SERVICES YOU AGREE TO OUR USE OF COOKIES
# What Is The Prime Factorization Of 30
What is the prime factorization of 30? Answer: 2 * 3 * 5
The prime factorization of 30 has 3 prime factors. If you multiply all primes in the factorization together then 30=2 * 3 * 5. Prime factors can only have two factors(1 ... | Geralt-Targaryen/finemath/00000/1686 | {
"crawl": "CC-MAIN-2018-51",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.6875
} |
# Data Interpretation - Line Charts - Discussion
Discussion Forum : Line Charts - Line Chart 4 (Q.No. 2)
Directions to Solve
The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
Percentage profit earned by Two Companies X and Y over the Given Years
%Profi... | Geralt-Targaryen/finemath/00000/1688 | {
"crawl": "CC-MAIN-2024-10",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.3125
} |
FutureStarr
What Is 8 Percent of 16 OR
# What Is 8 Percent of 16
via GIPHY
Everyone in the US has been working more hours since the financial crisis in 2008. The typical employee is now working two-and-a-half hours more per week compared to 2007 when the recession hit. And what is the typical employee earning? A mo... | Geralt-Targaryen/finemath/00000/1700 | {
"crawl": "CC-MAIN-2022-21",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.09375
} |
Pages
Category
# Fraction Calculator
Enter the values and let this calculator will solve your fraction problem.
+ - × ÷ + - × ÷ + - × ÷
## Fraction Calculator
This fraction calculator helps to add, subtract, multiply, and divide fractions and reduces them to the most simplified form. It not only calculates resul... | Geralt-Targaryen/finemath/00000/1705 | {
"crawl": "CC-MAIN-2024-33",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.40625
} |
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## Algebra 1 (Eureka Math/EngageNY)
### Course: Algebra 1 (Eureka Math/EngageNY)>Unit 4
Lesson 6:... | Geralt-Targaryen/finemath/00000/1711 | {
"crawl": "CC-MAIN-2023-23",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.78125
} |
##### solve by finding the intersecting points of the absolute value function
label Algebra
account_circle Unassigned
schedule 1 Day
account_balance_wallet \$5
-2 |x+5| +4 =2
Sep 29th, 2015
intersection points... I assume you mean the roots, i.e. where the graph crosses the x-axis
-2|x+5| + 4 = 2 first, bring you... | Geralt-Targaryen/finemath/00000/1720 | {
"crawl": "CC-MAIN-2017-43",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.15625
} |
Breaking News
# 45/8 As A Mixed Number
45/8 As A Mixed Number. Set up the division problem in long division format. Find the whole number we first want to find the whole number, and to do this we divide the numerator by the. → 45 / 8 = 5.625 => 5; Find the whole number we first want to find the whole number, and to d... | Geralt-Targaryen/finemath/00000/1721 | {
"crawl": "CC-MAIN-2023-06",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.40625
} |
assign_13_v2
# assign_13_v2 - Georgia Southern University College of...
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Georgia Southern University College of Business Administration BUSA 3131, Business Statistics Fall 2011 Assignment 13 v.2 Name: ___________________ Simple Linear Regression, Computa... | Geralt-Targaryen/finemath/00000/1738 | {
"crawl": "CC-MAIN-2017-17",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.125
} |
# PARCC Mathematics Practice Questions
0%
#### 1. An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie, a student at the local high school, purchases a flute for \$306. How much did it o... | Geralt-Targaryen/finemath/00000/1761 | {
"crawl": "CC-MAIN-2023-50",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.28125
} |
Home » Technical Interview Questions » Array Interview Questions » Maximum Consecutive Numbers Present in an Array
# Maximum Consecutive Numbers Present in an Array
Difficulty Level Easy
## Problem Statement
Suppose you have an array of integers of size N. The problem “Maximum consecutive numbers present in an arra... | Geralt-Targaryen/finemath/00000/1770 | {
"crawl": "CC-MAIN-2020-50",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.28125
} |
# lect18 - Distinct regular expressions may represent the...
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1 Example. Simplify a regular expression: Distinct regular expressions may represent the same language: a + b and b + a represent the same language { a , b }. Two expressions R and S that repre... | Geralt-Targaryen/finemath/00000/1771 | {
"crawl": "CC-MAIN-2017-26",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.03125
} |
# Exercises - Parabolas
1. Write each quadratic function in the form $y=a(x-h)^2+k$ and sketch its graph.
1. $y=x^2-3x$ $\ans{ \begin{array}{rcl} y &=& x^2-3x\\ &=& (x^2 - 3x + \frac{9}{4}) - \frac{9}{4}\\ &=& (x - \frac{3}{2})^2 - \frac{9}{4} \end{array}}$
2. $y=2x^2-12x+22$ $\ans{ \begin{array}{rcl} y &=& 2x^2... | Geralt-Targaryen/finemath/00000/1778 | {
"crawl": "CC-MAIN-2019-30",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.53125
} |
#### If the density of a solution is 3.12 g mL-1, the mass of 1.5 mL solution in significant figures is _______. (i) 4.7g (ii) 4680 × 10-3 g (iii) 4.680g (iv) 46.80g
The answer is the option (i) 4.7g
Explanation:
Given, the density of a solution = 3.12 g mL-1
Volume = 1.5 mL
Mass = Volume × Density
= 1.5mL × 3.12... | Geralt-Targaryen/finemath/00000/1784 | {
"crawl": "CC-MAIN-2024-22",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.09375
} |
## Question
Primary 4 | Maths
Anyone can contribute an answer, even non-tutors.
##### Chee Fong
chevron_right chevron_right
Pls help me idk how to do
Date Posted: 6 months ago
Views: 149
J
6 months ago
Hazel spent \$5. Gina spent \$59.
So Hazel spent \$54 less than Gina.
Since they started with the same amount ... | Geralt-Targaryen/finemath/00000/1788 | {
"crawl": "CC-MAIN-2020-10",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.03125
} |
# The minute hand of a wall clock measures 11.3 cm from axis to tip. What is the displacement vector of its tip (a) from a quarter after the hour to half past, (b) in the next half hour, and (c) in the next hour?
askIITians Faculty 396 Points
9 years ago
Assumptions
Let us assume that the position vector for the tip o... | Geralt-Targaryen/finemath/00000/1790 | {
"crawl": "CC-MAIN-2024-33",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.25
} |
+0
# help
+1
201
3
Evaluate the sum $$\dfrac{6}{3^2-1}+\dfrac{6}{5^2-1}+\dfrac{6}{7^2-1}+\dfrac{6}{9^2-1}+\cdots$$
Mar 5, 2019
#1
+1
sumfor(n, 1, infinity, 6/((2*n + 1)^2 - 1)) = 3 / 2
Mar 5, 2019
#2
+23837
+2
help
$$\large{\dfrac{6}{3^2-1}+\dfrac{6}{5^2-1}+\dfrac{6}{7^2-1}+\dfrac{6}{9^2-1}+\cdots}$$
$$\begin... | Geralt-Targaryen/finemath/00000/1801 | {
"crawl": "CC-MAIN-2020-05",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.28125
} |
# Resources tagged with: Counting
Filter by: Content type:
Age range:
Challenge level:
### There are 46 results
Broad Topics > Numbers and the Number System > Counting
### Poker Bingo
##### Age 5 to 11 Challenge Level:
A game played with a standard pack of cards.
### Up and Down Donkey
##### Age 5 to 11 Challen... | Geralt-Targaryen/finemath/00000/1813 | {
"crawl": "CC-MAIN-2020-05",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.46875
} |
Breaking News
# 54 As A Fraction
54 As A Fraction. To simplify a fraction cas follows fraction 54 28 ,you must enter fraction ( 54 28) , after calculation, we get the result 27 14 is given in the form of an irreducible fraction. Write down the percent divided by 100 like this: 54% = 27/50 as a fraction step by step s... | Geralt-Targaryen/finemath/00000/1824 | {
"crawl": "CC-MAIN-2023-06",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.46875
} |
# Inverse Circular Functions.
Trigonometric functions defined by y=sin x, y=cos x, y=tan x, etc are known as the sine, cosine, tangent, etc. functions respectively. The inverse trigonometric functions are the inverse functions of the trigonometric functions.
Specifically, they are the inverses of the sine, cosine, ta... | Geralt-Targaryen/finemath/00000/1838 | {
"crawl": "CC-MAIN-2023-06",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.40625
} |
# math
posted by .
1.name the property of addition and/or multiplication that is illustrated
7 X (1+9) = (7 X 1) + (7 x 9)
2.Write 4 X 4 X 4 X 4 X 4 as a power of 4.
3. A plate glass window measures 5 ft by 7 ft. If glass costs \$7 per square foot, how much will it cost to replace the window?
4. You are making pos... | Geralt-Targaryen/finemath/00000/1843 | {
"crawl": "CC-MAIN-2018-05",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.15625
} |
# Generalized eigenvector
(Redirected from Generalized eigenspace)
In linear algebra, for a matrix A, there may not always exist a full set of linearly independent eigenvectors that form a complete basis. That is, a matrix may not be diagonalizable.[1][2] This happens when the algebraic multiplicity of at least one e... | Geralt-Targaryen/finemath/00000/1850 | {
"crawl": "CC-MAIN-2015-22",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.09375
} |
# All Science Fair Projects
## The Odds of Being You: A zoomonster from planet Planktonia
### Discussion
You should have a sense now that the basic principles of heredity can result in a diverse number of phenotypes. If you performed the coin toss project over and over, your zoomonster babies would probably all be d... | Geralt-Targaryen/finemath/00000/1853 | {
"crawl": "CC-MAIN-2018-47",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.09375
} |
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Embed Code - If you would like this activi... | Geralt-Targaryen/finemath/00000/1865 | {
"crawl": "CC-MAIN-2021-25",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.25
} |
Quad Pyramid Surface Area Calculator
This online calculator calculates the surface area of a quadrilateral pyramid using the lengths of its bases and one of the following parameters: length of the edge, angle of inclination of the faces, or height of the pyramid.
The surface area is the total area of all the faces of... | Geralt-Targaryen/finemath/00000/1871 | {
"crawl": "CC-MAIN-2024-18",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.46875
} |
Lecture 24 - Mar 6
# Lecture 24 - Mar 6 - 3/2 Then the matrix associated to T -1...
This preview shows pages 1–2. Sign up to view the full content.
Friday March 6 Lecture 24 : Properties of invertible matrices. (Refers to section 3.5) Expectations: 1. Recognize all characterizations of invertible matrices A . 24.1 T... | Geralt-Targaryen/finemath/00000/1873 | {
"crawl": "CC-MAIN-2016-50",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.4375
} |
1. linear approximation
Using the linear approximation to f(x) = cos x at the point x = 1 to estimate
the value of cos(1.03) works well because cos x looks like a line when you zoom
in on it.
true/false
2. I say it's false since you don't know an exact value for cos(1), and since there is a closer exact value near 1... | Geralt-Targaryen/finemath/00000/1875 | {
"crawl": "CC-MAIN-2018-26",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.09375
} |
# LT1: Adding and Subtracting Polynomials. *When subtracting polynomials, distribute the negative to the second parentheses. Then combine like terms.
Size: px
Start display at page:
Download "LT1: Adding and Subtracting Polynomials. *When subtracting polynomials, distribute the negative to the second parentheses. The... | Geralt-Targaryen/finemath/00000/1876 | {
"crawl": "CC-MAIN-2022-27",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.0625
} |
2018 AMC 10A Problems/Problem 12
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
The following problem is from both the 2018 AMC 12A #10 and 2018 AMC 10A #12, so both problems redirect to this page.
Problem
How many ordered pairs of real numbers $(x,y)$ satisfy the following system of equa... | Geralt-Targaryen/finemath/00000/1889 | {
"crawl": "CC-MAIN-2021-17",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.75
} |
<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
Our Terms of Use (click here to view) have changed. By continuing to use this site, you are agreeing to our new Terms of Use.
# 3.4: Equations with Variables on Both Sides
Difficulty Lev... | Geralt-Targaryen/finemath/00000/1910 | {
"crawl": "CC-MAIN-2016-40",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.90625
} |
-1
how much 15% antifreeze should be mixed to get 50 gallons of 30% antifreeze
With what are you mixing the 15% antifreeze?
### 1 Answer by Expert Tutors
Andy C. | Math/Physics TutorMath/Physics Tutor
4.9 4.9 (19 lesson ratings) (19)
0
There is one chemical on hand that contains 15% antifreeze. Call this chemical A... | Geralt-Targaryen/finemath/00000/1923 | {
"crawl": "CC-MAIN-2018-34",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.25
} |
## Saturday, 29 November 2008
### Negative Value Equated to Exponential Expression
This is a very interesting maths question, that may trick many students.
2x = -1
What is the value for x?
I got all sort of answers.
Some gave me x = 0 (knowing that 1 = anything to the power of 0).
Some treat the expression to be 2... | Geralt-Targaryen/finemath/00000/1964 | {
"crawl": "CC-MAIN-2017-47",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.46875
} |
## Day 7 - Lesson 1.3 Part 2
##### Learning Targets
• Make and interpret boxplots of quantitative data.
• Identify outliers using the 1.5 X IQR rule.
• Use boxplots and numerical summaries to compare distributions of quantitative data.
##### Activity:
Prepare a dotplot on the board. Use the same values and scale ... | Geralt-Targaryen/finemath/00000/1976 | {
"crawl": "CC-MAIN-2020-24",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.71875
} |
Time remaining:
##### Need help computing the Gaussian Integral
label Mathematics
account_circle Unassigned
schedule 0 Hours
account_balance_wallet \$5
http://en.wikipedia.org/wiki/Gaussian_integral - I'm still extremely confused regarding the part of the proof with squeeze theorem.
May 29th, 2014
What squeeze theor... | Geralt-Targaryen/finemath/00000/1985 | {
"crawl": "CC-MAIN-2017-43",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.09375
} |
# What is the time period of a 40 Hz wave?
## What is the time period of a 40 Hz wave?
Thus, the time period of the wave is 0.025 s.
## How do you find the frequency on a calculator?
You need to use the following frequency formula: f = v / λ .
## How do you calculate the relative frequency?
A relative frequency i... | Geralt-Targaryen/finemath/00000/2007 | {
"crawl": "CC-MAIN-2021-49",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.4375
} |
# Question: How Much Does It Cost To Run A 100 Hp Electric Motor?
## How do you calculate the power consumption of an electric motor?
Calculate the power the motor consumes while in operation.
The equation is W = AV(sqrt 3) where A is amperes, V is volts, and sqrt 3 is the square root of 33 (about 1.73).
W is the p... | Geralt-Targaryen/finemath/00000/2036 | {
"crawl": "CC-MAIN-2020-50",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.375
} |
# finding negative number N so that f(x) - L <e
• Aug 1st 2012, 07:58 AM
zalar81957
finding negative number N so that f(x) - L <e
A positive number e and the limit L of a function f at -infinity are given. Find a negative number N such that ABS(f(x) -L) <e if x<N
lim
x approaches - infinty of 1/(x+19) =0
e= .008
N=?... | Geralt-Targaryen/finemath/00000/2059 | {
"crawl": "CC-MAIN-2017-47",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.125
} |
Click to Call
## How to deal with the GMAT questions involving fractions
We generally see a lot of questions involving fractions and percents on the GMAT. The fact is that sometimes you will try a method to solve a question and that method does not work out to be the best way. Don’t give up! Try solving with another ... | Geralt-Targaryen/finemath/00000/2066 | {
"crawl": "CC-MAIN-2018-43",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.75
} |
# Highway Geometric Design MCQ Quiz - Objective Question with Answer for Highway Geometric Design - Download Free PDF
Last updated on Nov 6, 2023
## Latest Highway Geometric Design MCQ Objective Questions
#### Highway Geometric Design Question 1:
The design speed for a two-way traffic on a two way lane road is 50 k... | Geralt-Targaryen/finemath/00000/2070 | {
"crawl": "CC-MAIN-2023-50",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.46875
} |
# The Value of a Number
JRDAssist
Middle School and High School Teacher
The students will work in groups of 4-6 physically learning and reviewing place value.
## Length of Time: 1-2 Class Periods
Featured Programs:
### Common Core Alignment
CCSS.Math.Content.4.NBT.A.1 - Recognize that in a multi-digit whole numbe... | Geralt-Targaryen/finemath/00000/2075 | {
"crawl": "CC-MAIN-2021-39",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.3125
} |
If you're seeing this message, it means we're having trouble loading external resources on our website.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
### Course: Algebra 2 (Eureka Math/EngageNY)>Unit 2
Lesson 2: Topic A: Lessons 8-10: Trigonometric... | Geralt-Targaryen/finemath/00000/2107 | {
"crawl": "CC-MAIN-2024-22",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.09375
} |
# Use Triangle Inequality to Solve Inequality $\left|x+\frac{1}{2}\right| > \frac{\sqrt{5}}{2}$
So this is a really simple question, but I can't seem to work it out. I started with the equation
$$x^2 + x + 1 > 2$$
and, by completing the square and taking the square root, was able to simplify it to
$$\left|x+\frac{1... | Geralt-Targaryen/finemath/00000/2115 | {
"crawl": "CC-MAIN-2019-43",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.65625
} |
Sales Toll Free No: 1-855-666-7446
# Logistic Equation
Top
Sub Topics Population is the number of entities living in a certain area at a given point of time. At first it was assumed that the population will have a constant rate of growth where the growth will be directly proportional to the present population but la... | Geralt-Targaryen/finemath/00000/2141 | {
"crawl": "CC-MAIN-2018-13",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.1875
} |
Example 1:
Solve for a and b in the given triangle.
______
Solution:
Since the sum of the angles of the triangle is 180o, we get that B = 60o. Now we can find a by using the trigonometric ratio sin = opp/hyp. Therefore:
sin30o = a/12
a = 12 * sin30o = 12(1/2) = 6
To find b, we can use cos30o or sin60o, we get the s... | Geralt-Targaryen/finemath/00000/2155 | {
"crawl": "CC-MAIN-2013-20",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.4375
} |
## Power Rating
In addition to amount of resistance, resistors have another important characteristic that describes them: power rating.
When power flows through a resistor, some of the energy is converted into heat. The amount of heat a resistor can safely dissipate is characterized by its power rating, and is specif... | Geralt-Targaryen/finemath/00000/2156 | {
"crawl": "CC-MAIN-2023-23",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.375
} |
Assignment 1: Lemniscates
Brian Swanagan
Used for various applications, the distance formula appears often and provides for a variety of interesting explorations.
For the distance d between 2 points (x1, y1) and (x2, y2),
d = [(x1-x2)^2 + (y1 - y2)^2]^.5
If we use variables x and y for one set of points, we can an... | Geralt-Targaryen/finemath/00000/2161 | {
"crawl": "CC-MAIN-2018-51",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.71875
} |
+
# Student Exploration- 2D Collisions (answers)
##### Rating:
(1)
• (0)
• (1)
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• (0)
• (0)
Author: Jack Bauer
##### Description:
Student Exploration: 2D Collisions
Vocabulary: center of mass, conservation of energy, conservation of momentum, elasticity, kinetic energy, momentum, speed, vector, velocity
Prior... | Geralt-Targaryen/finemath/00000/2167 | {
"crawl": "CC-MAIN-2021-17",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.28125
} |
# Year 3 Maths Challenge Autumn 2
Bronze
1.Which number is the odd one out explain why?
15, 6, 3, 17
2.Which number is the odd one out and why?
24,36, 12, 10
Silver
1. The large intestine is 150 cm long and the small intestine is 700 cm long. How long is the whole intestine? What is the difference between the le... | Geralt-Targaryen/finemath/00000/2173 | {
"crawl": "CC-MAIN-2023-23",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.53125
} |
All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars
perplexus dot info
A 3' cube sits on level ground against a vertical wall. A 12' ladder on the same ground leans against the wall such that it touches the top edge of the box.
How far from the wall must the foot of the ladder be, if it... | Geralt-Targaryen/finemath/00000/2174 | {
"crawl": "CC-MAIN-2018-34",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.09375
} |
Educational level: this is a secondary education resource.
Quadratic equations are equations of the form ${\displaystyle ax^{2}+bx+c=0}$ where a, b and c are constants, ${\displaystyle a\neq 0}$ and ${\displaystyle x}$ is a variable. In other words, a quadratic equation has at least one term of the variable, say ${\di... | Geralt-Targaryen/finemath/00000/2180 | {
"crawl": "CC-MAIN-2024-26",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.875
} |
# Percentage area of circles overlapping a triangle
• Feb 21st 2008, 07:20 PM
Jemma Lovell
Percentage area of circles overlapping a triangle
Hi all,
I have an interesting problem regarding the area coverage of a triangle, in relation to the diameter of three equal circles centred at each of its three vertices (please... | Geralt-Targaryen/finemath/00000/2188 | {
"crawl": "CC-MAIN-2018-17",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.09375
} |
#### A PHP Error was encountered
Severity: Warning
Message: count(): Parameter must be an array or an object that implements Countable
Filename: controllers/calculator.php
Line Number: 37
Right Angled Triangle Calculator - Online Calculator - Tutorpace
# Right Angled Triangle Calculator
## Online Tutoring Is The... | Geralt-Targaryen/finemath/00000/2201 | {
"crawl": "CC-MAIN-2021-25",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.28125
} |
# Resources tagged with: Creating and manipulating expressions and formulae
Filter by: Content type:
Age range:
Challenge level:
### There are 125 results
Broad Topics > Algebraic expressions, equations and formulae > Creating and manipulating expressions and formulae
### Seven Up
##### Age 11 to 14 Challenge Leve... | Geralt-Targaryen/finemath/00000/2231 | {
"crawl": "CC-MAIN-2020-05",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.5
} |
# www.Hobby-Electronics.info
## Power dissipation in a resistor
Let's calculate the power dissipation in a 100 ohms resistor connected to a 9V battery.
The voltage across the resistor will be 9V. The current is 9V/100ohms = 90mA. So the power dissipation will be: 9V ∙ 90mA = 810mW.
It is very important to calcuate ... | Geralt-Targaryen/finemath/00000/2238 | {
"crawl": "CC-MAIN-2021-39",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.34375
} |
# Nested Square Roots
How would one go about computing the value of $X$, where
$X=5^0+ \sqrt{5^1+\sqrt{5^2+\sqrt{5^4+\sqrt{5^8+\sqrt{5^{16}+\sqrt{5^{32}+\dots}}}}}}$
I have tried the standard way of squaring then trying some trick, but nothing is working. I have also looked at some nested radical previous results, b... | Geralt-Targaryen/finemath/00000/2260 | {
"crawl": "CC-MAIN-2016-30",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.28125
} |
You are on page 1of 2
# Mathematical Tripos Part II Further Complex Methods
## Solution of the Hermite equation by integral representation
In this example, the Hermite equation is solved using the Laplace representation. There is a parameter in the equation and the nature of the singular points of the integrand of t... | Geralt-Targaryen/finemath/00000/2266 | {
"crawl": "CC-MAIN-2019-30",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.03125
} |
# Search by Topic
#### Resources tagged with Working systematically similar to Square Corners:
Filter by: Content type:
Stage:
Challenge level:
### There are 336 results
Broad Topics > Using, Applying and Reasoning about Mathematics > Working systematically
### Square Corners
##### Stage: 2 Challenge Level:
What... | Geralt-Targaryen/finemath/00000/2269 | {
"crawl": "CC-MAIN-2018-17",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.15625
} |
It is currently 18 Nov 2017, 20:38
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
we will pick new questions that match your level based o... | Geralt-Targaryen/finemath/00000/2304 | {
"crawl": "CC-MAIN-2017-47",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.15625
} |
# Population proportion, given mean and standard deviation?
How do I go about calculating these?
1:
"A normal population has a mean of 34 and a standard deviation of 11. What proportion of the population is less than 41?"
I'm confused because there's no sample size given.
and 2:
"A bottler of drinking water fills... | Geralt-Targaryen/finemath/00000/2305 | {
"crawl": "CC-MAIN-2021-17",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.40625
} |
Lesson plan
# 1. The meanings of addition and subtraction do not change no matter which tool we are using (C)
teaches Common Core State Standards CCSS.Math.Content.1.OA.A.1 http://corestandards.org/Math/Content/1/OA/A/1
teaches Common Core State Standards CCSS.Math.Content.1.OA.C.6 http://corestandards.org/Math/Conte... | Geralt-Targaryen/finemath/00000/2308 | {
"crawl": "CC-MAIN-2018-09",
"dataset": "Geralt-Targaryen/finemath",
"score": 4
} |
1. number/solution problem
1.) The sum of the digits of a three digit number is 15. If the tenths digit are interchanged, the number is increased by 360. If the units digit is 1/4 of the sum of the hundreds and tens digits, what is the number?
2.) A 90% acid solution is diluted w/ H2O to make a solution 60% acid. Whe... | Geralt-Targaryen/finemath/00000/2311 | {
"crawl": "CC-MAIN-2018-09",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.125
} |
# If x + $$\frac{1}{2x}$$ = 3, then evaluate 8x3 + $$\rm \frac{1}{x^3}$$.
This question was previously asked in
SSC CGL 2022 Tier-I Official Paper (Held On : 05 Dec 2022 Shift 4)
View all SSC CGL Papers >
1. 212
2. 216
3. 180
4. 196
Option 3 : 180
Free
RRB Exams (Railway) Biology (Cell) Mock Test
7.9 Lakh Users
10 Qu... | Geralt-Targaryen/finemath/00000/2312 | {
"crawl": "CC-MAIN-2024-33",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.3125
} |
# The points (−a,−b),(a,b),(a2,ab) are (a) vertices of an equilateral triangle (b) vertices of a right angled triangle (c) vertices of an isosceles triangle (d) collinear
Video Solution
Text Solution
Generated By DoubtnutGPT
## To determine the relationship between the points (−a,−b), (a,b), and (a2,ab), we will calc... | Geralt-Targaryen/finemath/00000/2313 | {
"crawl": "CC-MAIN-2024-33",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.59375
} |
# False Coins 3 (9, ?, 3)
You have nine coins, supposedly made of silver. But one is counterfeit, and you do not know whether it is lighter or heavier than the rest—it is just different in weight somehow. You have three weighings on a 2-pan scale to figure out which is the counterfeit coin and whether it is lighter or... | Geralt-Targaryen/finemath/00000/2334 | {
"crawl": "CC-MAIN-2021-31",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.375
} |
## Wednesday, April 04, 2007
### Surface Tension–Questions involving excess of pressure inside a bubble
Here is a question which is popular among question setters:
Two spherical soap bubbles of radii r1 and r2 in vacuum combine under isothermal conditions. The resulting bubble has a radius equal to
(a) (r1+r2)/2 (b... | Geralt-Targaryen/finemath/00000/2344 | {
"crawl": "CC-MAIN-2024-38",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.1875
} |
# How many grams has 1 kg?
For every kilogram, there are 1000 grams. That means that the ratio between kilograms and grams is 1:1000. It also means 1 kilogram and 1000 grams are defined as being equal. Traditionally, grams are referred to as the base unit.
## What is the half of 1 kg?
There are 1000 g in 1 kg. A hal... | Geralt-Targaryen/finemath/00000/2345 | {
"crawl": "CC-MAIN-2022-21",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.0625
} |
# The graph of the function f (x) = k / (1-x) passes through the point A (-2; 2) find the value of f (3).
If the graph of the function f (x) = k / (1 – x) passes through the point A (- 2; 2), then in the equation f (x) = k / (1 – x) х = – 2, f (x) = 2. To find k, substitute x and f (x) into the equation.
2 = k / (1 +... | Geralt-Targaryen/finemath/00000/2348 | {
"crawl": "CC-MAIN-2023-23",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.09375
} |
## Wednesday, January 6, 2010
### Snell’s Law
The angles of incidence and refraction when light travels from one medium to another can be calculated using Snell’s Law.
Definition: Snell’s Law
n1sin θ1 = n2 sin θ2
where
n1 = Refractive index of material 1
n2 = Refractive index of material 2
θ1 = Angle of incidence
θ2 ... | Geralt-Targaryen/finemath/00000/2368 | {
"crawl": "CC-MAIN-2018-22",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.15625
} |
0
# word problem:
Word problem:. Find the height of each building if Jefferson Square Tower is twice as tall as Lincoln Galleria and Washington Center is 120 feet taller than Lincoln Galleria. Total height 1800. Height each building?
My answer won't post so I'll try to put it in the comments section instead.
1) If ... | Geralt-Targaryen/finemath/00000/2374 | {
"crawl": "CC-MAIN-2018-26",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.625
} |
# Coin Games
This game is a fun way to practice word problems for systems of equations. I usually have my students play the game in math 051 or 056 after learning systems of equations. It makes a great test or quiz review game.
How to play:
1. Pass out envelopes with coins inside. Each envelope has an algebra proble... | Geralt-Targaryen/finemath/00000/2375 | {
"crawl": "CC-MAIN-2024-18",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.125
} |
# Tagged Questions
4k views
### Taking Calculus in a few days and I still don't know how to factorize quadratics
Taking Calculus in a few days and I still don't know how to factorize quadratics with a coefficient in front of the 'x' term. I just don't understand any explanation. My teacher gave up and said just ...
... | Geralt-Targaryen/finemath/00000/2383 | {
"crawl": "CC-MAIN-2014-41",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.0625
} |
## How to find the rate of change word problem
Find and represent the average rate of change of a real-world relationship. Engaging math & science practice! Improve your skills with free problems in ' Finding Rate of Change Given a Word Problem' and thousands of other practice
Example Find the equation of the tangent... | Geralt-Targaryen/finemath/00000/2389 | {
"crawl": "CC-MAIN-2021-31",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.5625
} |
# Limit Definition of Indefinite Integrals?
## Main Question or Discussion Point
Hello,
I was just wondering, we have what could be called the indefinite derivative in the form of d/dx x^2=2x & evaluating at a particular x to get the definite derivative at that x. But with derivation, we can algebraically manipulate... | Geralt-Targaryen/finemath/00000/2416 | {
"crawl": "CC-MAIN-2020-24",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.0625
} |
# Riemann prose, part 2
The Greeks were really good at solving problems using pictures. These were geometric problems, and involved determining the relationships between the sides and angles of a triangle, dividing angles in half, and squaring the circle. One result of this process was the realization that you could h... | Geralt-Targaryen/finemath/00000/2421 | {
"crawl": "CC-MAIN-2018-26",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.1875
} |
# Search by Topic
#### Resources tagged with Generalising similar to Back to School:
Filter by: Content type:
Stage:
Challenge level:
### Journeys in Numberland
##### Stage: 2 Challenge Level:
Tom and Ben visited Numberland. Use the maps to work out the number of points each of their routes scores.
### Sums and D... | Geralt-Targaryen/finemath/00000/2423 | {
"crawl": "CC-MAIN-2013-48",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.5
} |
# How do you simplify 2(cos 240+isin240)*3(cos60+isin60) and express the result in rectangular form?
Dec 7, 2016
The answer is $= 3 - i 3 \sqrt{3}$
#### Explanation:
$\cos 240 = - \frac{1}{2}$
$\sin 240 = - \frac{\sqrt{3}}{2}$
$\cos 60 = \frac{1}{2}$
$\sin 60 = \frac{\sqrt{3}}{2}$
and ${i}^{2} = - 1$
So,
$2 \... | Geralt-Targaryen/finemath/00000/2429 | {
"crawl": "CC-MAIN-2024-10",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.46875
} |
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# A small electric dipole is placed at origin with its dipole moment directed along positive x-axis. The direction of electric field at point $\left( {2,2\sqrt {2,0} } \right)$is:(A) Along z-axis(B) Along y-axis(C) Along negative y-axis (D) Along ... | Geralt-Targaryen/finemath/00000/2443 | {
"crawl": "CC-MAIN-2024-18",
"dataset": "Geralt-Targaryen/finemath",
"score": 4.21875
} |
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