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# Question #e51b8
Jan 22, 2017
$\tan \left(\frac{x}{2} + \frac{\pi}{4}\right) = \sec x + \tan x$
#### Explanation:
Use the trig identity:
$\tan \left(a + b\right) = \frac{\tan a + \tan b}{1 - \tan a . \tan b}$
Call t = (x/2) and develop the left side
$L S = \tan \left(t + \frac{\pi}{4}\right) = \frac{\tan t + \tan ... |
5
Q:
# Four dice are thrown simultaneously. Find the probability that two of them show the same face and remaining two show the different faces.
A) 4/9 B) 5/9 C) 11/18 D) 7/9
Explanation:
Select a number which ocurs on two dice out of six numbers (1, 2, 3, 4, 5, 6). This can be done in $C16$, ways.
Now select two... |
Division Function
(Redirected from Ratio Function)
A division function is a rational-valued mathematical binary function that returns the quotient of two real numbers (the dividend/numerator and the divisor/denominator).
References
2009
• (Wikipedia, 2013) ⇒ http://en.wikipedia.org/wiki/Arithmetic#Division_.28.C3.... |
## How do you find the roots of a quadratic equation?
Write down the quadratic in the form of ax^2 + bx + c = 0. If the equation is in the form y = ax^2 + bx +c, simply replace the y with 0. This is done because the roots of the equation are the values where the y axis is equal to 0.
## How many roots are there in a ... |
Welcome, young mathematicians and enthusiastic parents! At Brighterly, we believe that every child has the potential to be a math star. 3rd-grade math, especially the domain of basic addition, can be both fun and challenging. And as children progress through their elementary years, understanding addition becomes crucia... |
Elementary Statistics
1 / 31
# Elementary Statistics - PowerPoint PPT Presentation
## Elementary Statistics
- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
##### Presentation Transcript
1. Elementary Statistics Q: What is data? Q: What does the data... |
<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
You are reading an older version of this FlexBook® textbook: CK-12 Geometry Concepts Go to the latest version.
# 11.4: Cylinders
Difficulty Level: At Grade Created by: CK-12
0%
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... |
# Decimal Word Problems (2-step)
Here are some examples of decimal word problems. We will illustrate how block diagrams can be used to help you to visualize the decimal word problems in terms of the information given and the data that needs to be found. Block diagrams are used in Singapore Math.
Example:
Lily used s... |
US UKIndia
Every Question Helps You Learn
Are you clever when it comes to sums?
# Order of Operation (Part 1)
This Math quiz is called 'Order of Operation (Part 1)' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to lear... |
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## AP®︎/College Statistics
### Course: AP®︎/College Statistics>Unit 10
Lesson 3: The idea of sign... |
## Pages
Showing posts with label math. Show all posts
Showing posts with label math. Show all posts
## Wednesday, June 26, 2013
### Distance and Midpoint Formulas
In this section we will review the distance and midpoint formulas.
Notice that the distance formula results in a real number and that the midpoint formu... |
Multiplying Two-Digit by Two-Digit Numbers
## How to Multiply Two-Digit Numbers by Two-Digit Numbers
In the last lesson, you learned how to multiply 1-digit numbers by 4-digit numbers.
Now, let's learn how to multiply 2-digit numbers by 2-digit numbers.
### Understanding 2-Digit by 2-Digit Multiplication
42 × 23 =... |
## How do you write an expression in math?
How do you Write an Expression? We write an expression by using numbers or variables and mathematical operators which are addition, subtraction, multiplication, and division. For example, the expression of the mathematical statement “4 added to 2”, will be 2+4.
## What are s... |
# Lesson Planning of Division of Fraction
Lesson Planning of Division of Fraction
Subject Mathematics
Students` Learning Outcomes
• Divide fraction by a whole number
• Divide a whole number by a fraction
• Divide a fraction by another fraction (proper, improper and mixed fractions)
Information for Teachers
• You ... |
Question Video: Using Objects to Decompose Numbers up to 10 in More Than One Way | Nagwa Question Video: Using Objects to Decompose Numbers up to 10 in More Than One Way | Nagwa
# Question Video: Using Objects to Decompose Numbers up to 10 in More Than One Way Mathematics • First Year of Primary School
There are 10 f... |
# The Problem Solving Competition–November 2012
```The Problem Solving Competition–November 2012
Problem A: Polynomial of which degree?
Determine all positive integers n for which there is a polynomial P (x) of degree n, satisfying all of the following conditions:
(1) P (k) = k for k = 1, 2, · · ·... |
# Closed Interval / Open Interval: Definition
Share on
Watch the video for an overview and examples of closed, open, half-closed and half-open intervals:
## 1. What is a Closed Interval?
In simple terms, a closed interval represents all possible numbers in a particular set. For example, the numbers 1, 2, 3, and 4 c... |
# Algebraic Sequences
43 %
57 %
Education
Published on November 11, 2008
Author: nora823
Source: slideshare.net
## Description
This is a lesson/slideshow presentation I made for my 8th grade PreAlgebra students.
Algebraic Sequences Obj. Generate an algebraic expression given part of a sequence.
Algebraic Sequen... |
0
# How to Find the Maximum Distance Between Points on a 3D Object by Veritas Prep
How do we find the the two farthest points on a 3D object? For example, we know that on a circle, any two points that are diametrically opposite will be the farthest from each other than from any other points on the circle. Which two p... |
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# How to calculate the hypotenuse of the right triangle with one length?
Last updated date: 16th Sep 2024
Total views: 399.6k
Views today: 9.99k
Verified
399.6k+ views
Hint: Here, we will use the fact that the given data includes the length of on... |
Average Distance to N Points
Solution 1
Let the given points be $A_1,\ldots,A_n.\,$ Choose any diameter $M_1M_2\,$ of the circle. Then, by the triangle inequality, for any point $A_k,\,$ $2=M_1M_2\le M_1A_k+M_2A_k.\,$ Add up the $n\,$ inequalities:
$\displaystyle 2n\le\sum_{k=1}^n(M_1A_k+M_2A_k)=\sum_{k=1}^nM_1A_k+\... |
chapter2ProblemsAndSolutions
chapter2ProblemsAndSolutions - Chapter 2 Review of Simple...
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# Math-due today, need a check
Post a response of at least 50 words to the following: Explain how to graph linear equations using the x- and y-intercepts. Provide an example to support your response.
When graphing a linear equation using the x and y intercepts, we first need to be familiar with what the x-intercept i... |
# Percentage Tricks
Percentage is very important in competitive examinations, and if you look, you will find that percentage can be used in most topics of arithmetic topic. Percentage Tricks 2022 which are given here are most important for any competitive exam. Often questions related to परसेंटेज शॉर्टकट ट्रिक्स are ... |
# Lesson Explainer: Deductive Proof for Geometric Properties Mathematics
In this explainer, we will learn how to prove certain geometric properties using deductive proof.
Letβs begin by recapping an important geometric property.
### Recap: Angles on a Straight Line
The angle measures on a straight line sum to .
... |
# Look at the picture below
Perimeter of the drawing is 22 inches, Perimeter of the garden is 770 inches and the Perimeter of Garden becomes 35 times the Perimeter of drawing when drawing length and breadth is multiply by 35.
### What is Perimeter?
A closed route that covers, encircles, or outlines a one-dimensional... |
$$\newcommand{\id}{\mathrm{id}}$$ $$\newcommand{\Span}{\mathrm{span}}$$ $$\newcommand{\kernel}{\mathrm{null}\,}$$ $$\newcommand{\range}{\mathrm{range}\,}$$ $$\newcommand{\RealPart}{\mathrm{Re}}$$ $$\newcommand{\ImaginaryPart}{\mathrm{Im}}$$ $$\newcommand{\Argument}{\mathrm{Arg}}$$ $$\newcommand{\norm}[1]{\| #1 \|}$$ $$... |
Last updated:
# Roll Length Calculator
How do I use this roll length calculator?Roll length calculator as a roll diameter calculatorHow do we find the length of material on a roll?What is the logic behind this roll length calculator?What are the assumptions?How to find the thickness of thin materials?FAQs
Let's lear... |
# Permutations + natural numbers - math problems
#### Number of problems found: 23
• Digits
Write the smallest and largest 2-digit natural number.
• Big numbers
How many natural numbers less than 10 to the sixth can be written in numbers: a) 9.8.7 b) 9.8.0
• Digits
How many natural numbers greater than 4000 which are... |
The Ellipse
1. Definition of the Ellipse (Geometric)
Let P and Q be two points (the foci) in the plane. The ellipse is the set of all points R in the plane such that PR + QR is a fixed constant. An ellipse can be constructed using a piece of string. Fix the two ends of the string so the string is not taught. Then... |
Question Video: Estimating the Sum of Two Three-Digit Numbers by Rounding to the Nearest Ten | Nagwa Question Video: Estimating the Sum of Two Three-Digit Numbers by Rounding to the Nearest Ten | Nagwa
# Question Video: Estimating the Sum of Two Three-Digit Numbers by Rounding to the Nearest Ten Mathematics • Second Y... |
Now we are all set to apply the suggested steps in graphing direct inequality native the previous lesson. Let’s go over four (4) examples covering the different species of inequality symbols.
You are watching: Which inequality has a solid boundary line when graphed?
Example 1: Graph the direct inequality y>2x-1.
The... |
# How do you factor r^3-8?
May 21, 2018
$\left(r - 2\right) \left({r}^{2} + 2 r + 4\right)$
#### Explanation:
Difference of Cubes follows the formula:
${a}^{3} - {b}^{3} = \left(a - b\right) \left({a}^{2} + a b + {b}^{2}\right)$
${r}^{3} - 8 = {r}^{3} - {2}^{3} = \left(r - 2\right) \left({r}^{2} + 2 r + 4\right)$
... |
# Maths
Tuesday
WALT: use the inverse to find missing numbers in division sums.
Following on from yesterday, the inverse is the opposite which means the inverse of division is multiplication and the inverse of multiplication is division. We can use the inverse to work our numbers missing from a calculation.
The in... |
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# Let A be a square matrix. Which of the following is/are not skew-symmetric matrix/matrices?(a)$A - {A^T}$ (b)${A^T} - A$ (c)$A{A^T} - {A^T}A$ (d)$A + {A^T}$, when$A$is skew-symmetric
Last updated date: 15th Jul 2024
Total views: 61.5k
Views tod... |
# INTEGERS: SECTION 1: The Idea of Integers (Negative and Positive Integers)
Using ordinary positive numbers, it is not possible to work out 7 -10. Therefore the number system has to be extended to include negative numbers (numbers below zero).
The set of positive and negative whole numbers is called integers. That i... |
# How do solve the following linear system?: 3x + 2y = 12, y = 4x + 4 ?
Jun 19, 2018
See a solution process below:
#### Explanation:
Step 1) Because the second equation is already solved for $y$ we can substitute $\left(4 x + 4\right)$ for $y$ in the first equation and solve for $x$:
$3 x + 2 y = 12$ becomes:
$3... |
### Greatest Integer Function
```Greatest Integer/Absolute Value Functions
Students will be able to find greatest
integers and absolute values and
graph the both functions.
Greatest Integer
• Another special function that we will be
studying is the greatest integer function.
The greatest integer function of a real
num... |
Question
# If $A + B = 225$, prove that $\tan A + \tan B = 1 - \tan A\tan B$.
Hint:- $\tan (x + y) = \dfrac{{\tan x + \tan y}}{{1 - \tan x\tan y}}$
We are given with,
$\Rightarrow A + B = 225$ (1)
So, for proving the given result.
Taking tan both sides of equation 1. We get,
$\Rightarrow \tan (A + B) = \tan (225)$ (2... |
# Why Do We Use Protractors in Physics?
Save
A protractor is a common mathematical tool that you might need to use in physics or math. It enables you to read the angle of intersection between two lines. If you are new to math or physics, it might take a bit of practice to understand how to use it. However, you will s... |
^
# Free math video lessons for 5th grade
This is a collection of free math videos for 5th grade, showing varied exercises for each topic. They match Math Mammoth Grade 5 curriculum but will also work no matter which curriculum you follow (in other words, the videos don't rely on you having Math Mammoth curriculum).
... |
# A triangle has sides A, B, and C. If the angle between sides A and B is (pi)/8, the angle between sides B and C is (5pi)/12, and the length of B is 1, what is the area of the triangle?
Feb 25, 2017
1.23
#### Explanation:
For sake of easy calculations, the angle measures in degrees would be $\angle A = {75}^{o} , ... |
## Summary:
In step 1 you have learned what a fraction is and especially the meaning of the fraction bar:"divided by".
In step 2 you have learned that by calculating this division you get a number which corresponds to the value of the fraction. So you can say that a fraction is a number. The set of all fractions form... |
# Permutations and Combinations
In the last couple years I’ve regained interest in solidifying my math chops. One mathematical concept that I see popping up again and again is that of permutations and combinations. I tried searching around for quick explanations, but I wasn’t really pleased with what I found. I though... |
### When Dividing, Zero Is No Hero - Why We Can't Divide by Zero
Have you ever wondered why we can't divide by zero? I remember asking that long ago in a math class, and the teacher's response was, "Because we just can't!" I just love it when things are so clearly explained to me. So instead of a rote answer, let's ... |
# Factors of 528 that add upto 17
Factors of 528 that add upto 17 are 1 and 16
#### How to find factors of 528 that add upto 17
1. Steps to find factors of 528 that add upto 17 2. Steps to find factors of 528 3. What are factors? 4. Examples
### Example: Find factors of 528 that add upto 17
• Sum of 1 and... |
recipes
# Here’s how to calculate the percentage of a number with a simple trick
Written by
During sales, you can take out your phone with caution to calculate the discount on the product of your choice or subtract the percentage of the discount. It is not always easy to calculate the applicable discounts. This beau... |
# SL#14 How to use Conversion Factors (a.k.a. Dimensional Analysis)
## Presentation on theme: "SL#14 How to use Conversion Factors (a.k.a. Dimensional Analysis)"— Presentation transcript:
SL#14 How to use Conversion Factors (a.k.a. Dimensional Analysis)
Problem: 5,195 g equals how many kilograms?
Step 1 Write down ... |
<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
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# Words that Describe Patterns
## Use variable expressions to solve real-world problems.
0%
Progress
Practice... |
# Thread: Finding points of intersection
1. ## Finding points of intersection
Find the points of intersection of the graphs in the system.
x^2= 6y
y= -x
Please show me step by step how to solve this. The answers in the back of the book are
(0,0) and (-6,6).
EDIT:
Help also appreciated with the following problem:... |
Number of Intersections of Lines with Given Points
This topic will enlighten the mind of students who are not aware how to solve for the maximum number of intersections are there with a given points. I will give different insights how to deal with the problem. Let us start treating the problem geometrically.
Remembe... |
Lesson Video: Solving Cubic Equations: Taking Cube Roots | Nagwa Lesson Video: Solving Cubic Equations: Taking Cube Roots | Nagwa
# Lesson Video: Solving Cubic Equations: Taking Cube Roots Mathematics • 8th Grade
In this video, we will learn how to solve cubic equations using the cube root property.
12:44
### Video... |
# Mathematical analysis
In general, you will be given a rational (fractional) function, and you will need to find the domain and any asymptotes. You will need to know what steps to take and how to recognize the different types of asymptotes. •Find the domain and all asymptotes of the following function: The vertical a... |
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# Difference between Permutations and Combinations
• Last Updated : 29 Sep, 2021
Probability is concerned with the chance or possibility that an event may occur or not occur if there are ‘n’ possibilities. Put simply, probability tells us the percentage of happening of an event. Probability can be e... |
3 4 Solving Multi-step Inequalities
• November 2019
• PDF
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• Words: 571
• Pages: 4
Name: _____________... |
# Polynomial components
## Understanding Polynomials
How do you tell when you’re working with polynomials? And how do you explain different components in a polynomial?
The polynomial definition is quite simple. The prefix “Poly” means “many” and polynomials are sums of variables and exponents.
You can divide up a p... |
# 638 in words
638 in words is written as Six Hundred and Thirty Eight. 638 represents the count or value. The article on Counting Numbers can give you an idea about count or counting. The number 638 is a 3 digit number that is used in expressions related to money, days, distance, length, weight and so on. Let us cons... |
# Class 11 Maths MCQ – Relations and Functions
This set of Class 11 Maths Chapter 2 Multiple Choice Questions & Answers (MCQs) focuses on “Relations and Functions”. These MCQs are created based on the latest CBSE syllabus and the NCERT curriculum, offering valuable assistance for exam preparation.
1. A relation is a ... |
# Find the Number of Sides of the Polygon.
## Question: Four angles of a polygon are 100° each. The remaining angles are 160° each. Find the number of sides of the polygon.
For any polygon with sides 'n', the number of interior angles will also be 'n'.
## Answer: The number of sides of a polygon which has four angle... |
Mathematics NCERT Grade 7, Chapter 12: Algebraic Expressions- The chapters discuss concepts related to algebraic expressions.
After a short introduction, the first section discusses How are expressions formed?
• Algebraic expressions are formed from variables and constants.
This is followed by the topics terms, factor... |
# Chapter 2 Exponents of Real Numbers RD Sharma Solutions Exercise 2.1 Class 9 Maths
Chapter Name RD Sharma Chapter 2 Exponents of Real Numbers Exercise 2.1 Book Name RD Sharma Mathematics for Class 10 Other Exercises No other Exercises Related Study NCERT Solutions for Class 10 Maths
### Exercise 2.1 Solutions
1. ... |
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Found in: Page 165
### Linear Algebra and its Applications
Book edition 5th
Author(s) David C. Lay, Steven R. Lay and Judi J. McDonald
Pages 483 pages
ISBN 978-03219822384
# Question: In Exercise 14, compute the adjugate of the given matrix, and t... |
## CONTINUITY AND DIFFERENTIABILITY-12
As per analysis for previous years, it has been observed that students preparing for JEE MAINS find Mathematics out of all the sections to be complex to handle and the majority of them are not able to comprehend the reason behind it. This problem arises especially because these a... |
#### Please Solve RD Sharma Class 12 Chapter 17 Maxima and Minima Exercise Case Study Based Questions question 5 subquestion (iii) Maths Textbook Solution.
Answer: $3600\left(1-\frac{4}{x^{2}}\right)$
Hint: volume $= l\times b\times h$
Solution:
Let c be the total cost of the tank
C(x) = Cost of base + Cost of s... |
# Solution: Spiral Matrix
Let's solve the Spiral Matrix problem using the Matrices pattern.
We'll cover the following
## Statement
Given an $m\times n$ matrix, return an array containing the matrix elements in spiral order, starting from the top-left cell.
Constraints:
• $1\leq$ matrix.length $\leq 10$
• $1\leq$ ... |
# Introduction to Multiplying Polynomials
This section covers:
# What is a Polynomial?
About the time when you learn exponents in variables, you’ll also learn how to add, subtract, multiply, and then divide (or factor) what we call polynomials. A polynomial (meaning “many” “nomial’s”, or many terms) is basically ju... |
###### Alissa Fong
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
##### Thank you for watching the video.
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# Add... |
# Free The Triangle and Its Properties 01 Practice Test - 7th grade
Two angles of a triangle are 50 and 70. The third angle is:
A.
50
B.
70
C.
60
D.
120
#### SOLUTION
Solution : C
The sum of all the angles of a triangle is 180.
Therefore,
Third angle=180 ( 50 + 70 ) =180 ( 120 ) ... |
# Multiplying and Dividing Positive and Negative Numbers
A double-negative always makes a positive. If you say that you are not, not going to go to the grocery store, that means you’re going!
The same is true in math: two negatives makes a positive.
Here are the basic rules for multiplying and dividing with positive... |
# How do you factor the expression x^2+ 2x -3?
Feb 22, 2016
(x + 3 )(x - 1 )
#### Explanation:
To factor , consider the factors of the constant term - 3 which sum to give the coefficient of the x term +2
factors of - 3 are ± (1 , 3 )
The required factors are +3 and - 1 ,as they sum to +2.
$\Rightarrow {x}^{2} + ... |
Game Development Reference
In-Depth Information
e = −(| v 1+ | − | v 2+ |)/(| v 1− | − | v 2− |)
In these equations the velocities are those along the line of action of the impact, which
in this case is a line connecting the centers of mass of the two objects. Since the same
impulse applies to each object (just in oppo... |
Adding and Subtracting Negative Numbers (page 2 of 4)
Sections: Introduction, Adding and subtracting, Multiplying and dividing, Negatives and exponents
How do you deal with adding and subtracting negatives? The process works similarly to adding and subtracting positive numbers. If you are adding a negative, this is p... |
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# Prove that $\cot x\cot 2x - \cot 2x\cot 3x - \cot 3x\cot x = 1$
Last updated date: 13th Jul 2024
Total views: 450.3k
Views today: 10.50k
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450.3k+ views
Hint: Approach the solution by using $\cot (A + B) = \dfrac{{\cot A\cot B - 1}}{{\co... |
# Wilson’s Theorem
Wilson’s theorem states that any positive integer, n (> 1), is a prime number if and only if (n – 1)! ≡ -1 (mod n), which means:
1. If (n – 1)! ≡ -1 (mod n), then n is prime
2. If n is prime, then (n – 1)! ≡ -1 (mod n), the converse
It is used in mathematical calculations in elementary number theo... |
# Consider the curve given by the parametric equations x = t(t^{2} - 48), y = 4(t^{2} - 48)| a)...
## Question:
Consider the curve given by the parametric equations
{eq}x = t(t^{2} - 48), y = 4(t^{2} - 48)| {/eq}
a) Determine the point on the curve where the tangent is horizontal.
t=
b) Determine the points {eq}t... |
# Question 9 Exercise 7.1
Solutions of Question 9 of Exercise 7.1 of Unit 07: Permutation, Combination and Probablity. This is unit of A Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB) Peshawar, Pakistan.
Establish the formulas below by mathematical induction, $\... |
## Solution:
First, we define $b[i]=a[i]\cdot (-1)^{(i-1)}$, $sum(l,r)=\sum_{i=l}^r{b[ i]}$.
So for any i, b[i] is either 1 or -1. Therefore, if the final sum is 0, then there must be the same number of 1 as the number of -1. So there must be, if the sum is to be 0, then the length of this interval must be an even nu... |
Find Inverse Function (1) - Tutorial
Examples on how to find inverse functions analytically are presented. Detailed solutions and matched exercises with answers at the end of this page are also included.
Example 1: Find the inverse function of f given by f(x) = 2x + 3 Solution to example 1: write the function as an ... |
# Mean & Median
The “center” of a data set is also a way of describing location. The two most widely used measures of the “center” of the data are the mean (average) and the median. To calculate the mean weight of 50 people, add the 50 weights together and divide by 50. To find the median weight of the 50 people, orde... |
# Unit 7 Similarity. Part 1 Ratio / Proportion A ratio is a comparison of two quantities by division. – You can write a ratio of two numbers a and b, where.
## Presentation on theme: "Unit 7 Similarity. Part 1 Ratio / Proportion A ratio is a comparison of two quantities by division. – You can write a ratio of two numb... |
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# Medians
## Line segment that joins a vertex and the midpoint of the opposite side of a triangle.
0%
Progress
Practice Medians
Progress
0%
Medians
What if your art teacher assigne... |
# Advice 1: How to find the diagonal of a rectangular parallelepiped
Cuboid is a type of polyhedron having 6 faces, each of which is a rectangle. In turn, a diagonal is a segment that connects opposite vertices of a parallelogram. Its length can be found by two methods.
You will need
• Knowledge of the lengths of all ... |
# GMAT Math : Calculating the perimeter of an acute / obtuse triangle
## Example Questions
### Example Question #1 : Calculating The Perimeter Of An Acute / Obtuse Triangle
A triangle has 2 sides length 5 and 12. Which of the following could be the perimeter of the triangle?
I. 20
II. 25
III. 30
I only
II and ... |
# Reciprocals
Example 1: What is the relationship between three-fourths and four-thirds?
Analysis: Let’s try finding three-fourths of four-thirds. The word OF means “times”, which indicates that we need to multiply.
Solution:
Answer: The product of three-fourths and four-thirds is 1.
This product is no coincidence... |
# NCERT solution class 10 chapter 15 Statistics exercise 15.3 mathematics
## EXERCISE 15.3
#### Question 1:
The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality. Find the median, mean and mode of the data and compare them.
Monthly consumption (in units) Nu... |
## RD Sharma Class 10 Solutions Chapter 4 Quadratic Equations Ex 4.10
These Solutions are part of RD Sharma Class 10 Solutions. Here we have given RD Sharma Class 10 Solutions Chapter 4 Quadratic Equations Ex 4.10
Other Exercises
Question 1.
The hypotenuse of a right triangle is 25 cm. The difference between the len... |
# Factors of 3456 in pair
Factors of 3456 in pair are (1, 3456) , (2, 1728) , (3, 1152) , (4, 864) , (6, 576) , (8, 432) , (9, 384) , (12, 288) , (16, 216) , (18, 192) , (24, 144) , (27, 128) , (32, 108) , (36, 96) , (48, 72) and (54, 64)
#### How to find factors of a number in pair
1. Steps to find factors of 34... |
# RD Sharma Class 10 Ex 3.4 Solutions Chapter 3 Pair of Linear Equations in Two Variables
In this chapter, we provide RD Sharma Class 10 Ex 3.4 Solutions Chapter 3 Pair of Linear Equations in Two Variables for English medium students, Which will very helpful for every student in their exams. Students can download the ... |
# Let a , b and c be three unit vectors out of which vectors b and c are non -parallel. If α and β are the angles which vector a makes with vectors b and c respectively and a×(b×c)=12b, Then |α−β| is equal to
A
30
B
45
C
90
D
60
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## To solve the problem, we... |
# Reflecting on Teaching & Learning About Ratios
Grades 6-8 / Math / Teacher Collaboration
CCSS: Math.6.RP.A.2 Math.6.RP.A.3 Math.7.RP.A.2
Common Core State Standards
Math Math 6 Grade 6 RP Ratios & Proportional Relationships A Understand ratio concepts and use ratio reasoning to solve problems 2 Understand the con... |
# Prove that the lines d1, d2 are intercepting: (d1)14x-9y-24=0; (d2)7x-2y-17=0
neela | High School Teacher | (Level 3) Valedictorian
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(d1) 14x-9y-24=0.
(d2) 7x-2y-17=0.
We write the equations as below:
d1 : 14x - 9y = 24
d2 : 7x- 2y = 17.
Since det |[(14 -9), (7 -2)]| = 14 *-2 - 7*(-9) = -28 +63 ... |
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# There are two lots of identical articles with different amounts of standard and defective articles. There are $N$ articles in the first lot, $n$ of which are defective and $M$ articles in the second lot, $m$ of which are defective. $K$ articles ... |
Continuous practice using ISC Class 11 Maths Solutions S Chand Chapter 29 Correlation Analysis Ex 29(a) can lead to a stronger grasp of mathematical concepts.
## S Chand Class 11 ICSE Maths Solutions Chapter 29 Correlation Analysis Ex 29(a)
Question 1.
A physicist is experimenting with the resistance in a circuit she... |
<meta http-equiv="refresh" content="1; url=/nojavascript/"> Sum and Difference Identities ( Read ) | Trigonometry | CK-12 Foundation
# Sum and Difference Identities
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Pythagorean Identities
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The Pythagorean Theorem works on right triangles. If you consider the $x$ coordinate of a poi... |
What are arithmetic sequences?
This is not the only, but there are many types of this sequence: the four Arithmetic Sequences, Geometric Sequences, Harmonic Sequences, and Fibonacci Numbers. Right now, we are going to talk about; "Arithmetic Sequence." Before we get down to our main topic, let's know what arithmetic se... |
GED Mathematical Reasoning: Equations I | Open Window Learning
Algebraic Equations and Inequalities
# GED Mathematical Reasoning: Equations I
• An equation contains an equal sign.
• To SOLVE an equation means to find the value of the variable that makes the equation TRUE. This value is called the SOLUTION.
• To sol... |
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Two friends, Kaval and Prashant, meet after a long time.
Kaval: Did you marry at last or still single?
Prashant: As a matter of fact, I got married and I have three kids now.
Kaval: That’s awesome. How old are they?
Prashant: The product of their ages is 72 and the sum of their ages is the same as your bir... |
# AP Board 7th Class Maths Solutions Chapter 12 Quadrilaterals Ex 2
AP State Syllabus AP Board 7th Class Maths Solutions Chapter 12 Quadrilaterals Ex 2 Textbook Questions and Answers.
## AP State Syllabus 7th Class Maths Solutions 12th Lesson Quadrilaterals Exercise 2
Question 1.
State whether true or false
(i) All ... |
# 17 is what percent of 1114 - step by step solution
## Simple and best practice solution for 17 is what percent of 1114. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.
If it's not what You are looking for ... |
## University Calculus: Early Transcendentals (3rd Edition)
$$\lim_{x\to\infty}f(x)=\lim_{x\to-\infty}f(x)=\infty$$
To solve these exercises, we would divide both numerator and denominator by the highest power of $x$ in the denominator. Also remember that $$\lim_{x\to\infty}\frac{a}{x^n}=\lim_{x\to-\infty}\frac{a}{x^n... |
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