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Subject:
Mathematics
Topics: AlgebraCoordinate SystemsPatternsFunctions and Relations
Common Core State Standard: A-CED.1,
Knowledge and Skills:
· Can plot a point in a two-dimensional coordinate system, given the coordinates, or determine the coordinates of a given point
· Can extrapolate a graph when a pattern exis... | HuggingFaceTB/finemath | |
# 5.2 Definite Integrals Greg Kelly, Hanford High School, Richland, Washington.
## Presentation on theme: "5.2 Definite Integrals Greg Kelly, Hanford High School, Richland, Washington."— Presentation transcript:
5.2 Definite Integrals Greg Kelly, Hanford High School, Richland, Washington
When we find the area under ... | HuggingFaceTB/finemath | |
# Blackbody Rendering
Posted: December 29th, 2010 | Tags: , , , | 2 Comments »
In between bouts of festive over-eating I added support for blackbody emission to my fluid simulator and thought I'd describe what was involved.
Briefly, a blackbody is an idealised substance that gives off light when heated. Planck's for... | open-web-math/open-web-math | |
# How to determine the value of a matrix?
5 views (last 30 days)
Adi Nor on 14 Jun 2020
Commented: Adi Nor on 14 Jun 2020
If , where A is integer matrix, Wis integer matrix and F is integer matrix.
If I know the value of F ( integer matrix)
F = [1 1 0 1 ; 0 -1 -1 1] % 2*4 integer matrix
How to determine the value of m... | HuggingFaceTB/finemath | |
Home.
Let A, B, C and D be eight-dimensional vectors. The problem here is to solve A × B × C = D for C, when A, B and D are furnished.
First define these 28 real numbers:
h10 = a3b2a2b3 + a5b4a4b5 + a7b6a6b7
h20 = a1b3a3b1 + a5b7a7b5 + a6b4a4b6
h30 = a2b1a1b2 + a4b7a7b4 + a5b6a6b5
h40 = a1b5a5b1 + a2b6a6b2 + a7b3a3b... | HuggingFaceTB/finemath | |
It is currently 26 Mar 2019, 01:02 ### 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... | HuggingFaceTB/finemath | |
## USAMO 1973 #3 August 17, 2009
Posted by lumixedia in combinatorics, Problem-solving.
Tags: , , , ,
USAMO 1973 #3. Three distinct vertices are chosen at random from the vertices of a given regular polygon of ${(2n+1)}$ sides. If all such choices are equally likely, what is the probability that the center of the giv... | HuggingFaceTB/finemath | |
# 12.71 kg to lbs - 12.71 kilograms into pounds
Do you need to know how much is 12.71 kg equal to lbs and how to convert 12.71 kg to lbs? Here it is. This whole article is dedicated to kilogram to pound conversion - theoretical and practical too. It is also needed/We also want to highlight that whole this article is d... | HuggingFaceTB/finemath | |
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation. Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A201879 Numbers n such that sigma_2(n) - n^2 is a square. 1
1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 30, 31, 37, 41, 43, 47, 53, 59, 61, 6... | HuggingFaceTB/finemath | |
# Median of two sorted arrays with different sizes in O(log(min(n, m)))
• Difficulty Level : Expert
• Last Updated : 10 Jan, 2023
Given two sorted arrays, a[] and b[], the task is to find the median of these sorted arrays, in O(log(min(n, m)), when n is the number of elements in the first array, and m is the number o... | HuggingFaceTB/finemath | |
1. ## napierian logarithm problem
the function f is defined for positive real values of x by f(x)=12lnx - x^(3/2)
the curve crosses the x-axis at points A and B
a. by calculation, show that the value of x at point A lies between 1.1 and 1.2
b. the value of x at the point B lies in the interval (n, n+1) where n is an i... | HuggingFaceTB/finemath | |
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# Science
#### Clone of POPULATION LOGISTIC MAP (WITH FEEDBACK)
The simulation integrates or sums (INTEG) the Nj population, with a... | HuggingFaceTB/finemath | |
NCERT Solutions Class 9 Mathematics
Exercise 1.1
Q.1. Is zero a rational number? Can you write it in the form $\frac{\mathrm{p}}{\mathrm{q}}$, where p and q are integers and q ≠ 0?
Q.2. Find six rational numbers between 3 and 4.
Q.3. Find five rational numbers between $\frac{3}{5}$ and $\frac{4}{5}$.
Q.4: State wh... | open-web-math/open-web-math | |
# Convert decimeters per second squared to other units of acceleration
## decimeters/second² [dm/s²] acceleration conversions
3 dm/s² = 3 000 000 000 angstroms per second squared dm/s² to Å/s² 3 dm/s² = 2.01 × 10-12 astronomical unit per second squared dm/s² to au/s² 3 dm/s² = 3 × 10+17 attometers per second squared... | HuggingFaceTB/finemath | |
## Magnetic Flux and Magnetic Permiability
Magnetic Flux
Magnetic flux is the number of magnetic field lines passing through a surface placed in a magnetic field.
We show magnetic flux with the Greek letter; Ф. We find it with following formula;
Ф=B.A.cosӨ
Where Ф is the magnetic flux and unit of Ф is Weber (Wb)
... | HuggingFaceTB/finemath | |
# Solve using elimination
In this blog post, we will show you how to Solve using elimination. Our website will give you answers to homework.
## Solving using elimination
These sites allow users to input a Math problem and receive step-by-step instructions on how to Solve using elimination. Solving an expression mean... | HuggingFaceTB/finemath | |
Thursday, 03 August 2023 07:55
# Mathematics Activities Questions and Answers - CBC Grade 1 End Term 2 Exams 2023 Set 1
1. NUMBERS. (35mks)
1. Ordering
Count and write the number of objects (5mks)
2. Fill in the missing numbers (3 mks)
1. 2, 4, _____, 8, 10
2. 5,10, _____, 20, ____, 30
3. Fill in... | HuggingFaceTB/finemath | |
Question
TRANSPORTATION The cost of riding in a cab is $3.00 plus$0.75 per mile. The equation that represents this relation is y=0.75x+3, where x is the number of miles traveled and y is the cost of the trip. Find and interpret f(17).
1. ngochoa
f(17) = $15.75 The amount it takes for a trip of 17 miles is$15.75
Ste... | HuggingFaceTB/finemath | |
2.13 Variation :
Observe the below mentioned examples which we encounter in our daily life:
Example 1: If 180 men in 6 days, working 10 hours daily, can dig a trench of 60m long, 1 m wide and 1 m deep, how many days are needed for 100 men, working 8 hours a day, to dig a trench of 100m long, 1.5m wide and 1.2m deep?
... | HuggingFaceTB/finemath | |
# Integers in a triangle, and differences
I read about the following puzzle thirty-five years ago or so, and I still do not know the answer.
One gives an integer $n\ge1$ and asks to place the integers $1,2,\ldots,N=\frac{n(n+1)}{2}$ in a triangle according to the following rules. Each integer is used exactly once. Th... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
1st number: 4 0/2, 2nd number: 2/25
8/2 + 2/25 is 102/25.
1. Find the least common denominator or LCM of the two denominators:
LCM of 2 and 25 is 50
2. For the 1st fraction, since 2 × 25 = 50,
8/2 = 8 × 25/2 × 25 = 200/50
3. Likewise, for the 2nd fraction, since 25 × 2 = 50,
2/25... | HuggingFaceTB/finemath | |
0%
# Problem 502
Counting Castles
We define a block to be a rectangle with a height of 1 and an integer-valued length. Let a castle be a configuration of stacked blocks.
Given a game grid that is w units wide and h units tall, a castle is generated according to the following rules:
1. Blocks can be placed on top o... | HuggingFaceTB/finemath | |
Area of the irregular triangle: The area of a triangle is usually computed as area = bh /2 Where b means base length and h means base height. At first, the angle against 75° is 75 too (works for every angle which are opposite to each other). This calculator completes the analysis of an irregular triangle given any thre... | HuggingFaceTB/finemath | |
$$\newcommand{\id}{\mathrm{id}}$$ $$\newcommand{\Span}{\mathrm{span}}$$ $$\newcommand{\kernel}{\mathrm{null}\,}$$ $$\newcommand{\range}{\mathrm{range}\,}$$ $$\newcommand{\RealPart}{\mathrm{Re}}$$ $$\newcommand{\ImaginaryPart}{\mathrm{Im}}$$ $$\newcommand{\Argument}{\mathrm{Arg}}$$ $$\newcommand{\norm}[1]{\| #1 \|}$$ $$... | HuggingFaceTB/finemath | |
# Number 5998
### Properties of number 5998
Cross Sum:
Factorization:
Divisors:
1, 2, 2999, 5998
Count of divisors:
Sum of divisors:
Prime number?
No
Fibonacci number?
No
Bell Number?
No
Catalan Number?
No
Base 2 (Binary):
Base 3 (Ternary):
Base 4 (Quaternary):
Base 5 (Quintal):
Base 8 (Octal):
176e
Base 32:
5re
sin(... | HuggingFaceTB/finemath | |
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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A234567 Number of ways to write n = k + m with k > 0 and m > 0 such that p = phi(k) + phi(m)/2 + 1 and P(p-1) are both prime, where phi(.) is Euler's totient function and P(.) is the part... | HuggingFaceTB/finemath | |
# Zero-cohomology of birational varieties
Let $f:X\dashrightarrow Y$ be a birational map of smooth projective varieties, i.e., there exist open subsets $U_1, \subset X$ and $U_2 \subset Y$ such that $f|_{U_1} : U_1 \rightarrow U_2$ is an isomorphism.
There is an homomorphism induced by $f$ given by
$$f_* : Div(X) \r... | open-web-math/open-web-math | |
# S-Cool Revision Summary
## S-Cool Revision Summary
The Basics:
Find the distance between two points using Pythagoras' theorem.
The midpoint is the average (mean) of the coordinates.
The gradient = Parallel lines have the same gradient. The gradients of perpendicular lines have a product of -1.
Straight Lines:
... | HuggingFaceTB/finemath | |
# Python: Adding Zeros to Float Decimal (10 digits)
Posted on
Are you tired of dealing with floating point numbers in Python and constantly having to worry about formatting them correctly? One common issue is adding zeros to the decimal portion of a float, especially when working with 10-digit precision. Well, fear n... | HuggingFaceTB/finemath | |
### Introduction
This method finds all the solutions of a linear equations system. The definition of a linear equations system can be found in this post.
### Method
Gauss-Jordan method works similarily as Gauss. The main difference is that, instead of getting the upper triangular matrix and then getting the values, ... | HuggingFaceTB/finemath | |
# Activity: Momentum
#### Aims
• Define momentum.
• Define impulse.
• Understand the relationship between rate of change of momentum and force.
• Understand the principle behind crumple zones and dynamic belaying.
• State Newton's 3rd law of motion.
• Apply Newton's 3rd law to different situations.
#### Momentum
ma... | HuggingFaceTB/finemath | |
# Queries for decimal values of subarrays of a binary array
Given a binary array arr[], we to find the number represented by the subarray a[l..r]. There are multiple such queries.
Examples:
```Input : arr[] = {1, 0, 1, 0, 1, 1};
l = 2, r = 4
l = 4, r = 5
Output : 5
3
Subarray 2 to 4 is 101 which is 5 in decimal.
Su... | HuggingFaceTB/finemath | |
Home > Standard Error > Mean Error Example
# Mean Error Example
## Contents
I want to give you a working knowledge first. For each sample, the mean age of the 16 runners in the sample can be calculated. Retrieved Oct 19, 2016 from Explorable.com: https://explorable.com/standard-error-of-the-mean . By using this site... | HuggingFaceTB/finemath | |
sec8_Notes
# sec8_Notes - 8 Phase 1 of the simplex method Let us...
This preview shows pages 1–3. Sign up to view the full content.
8 Phase 1 of the simplex method Let us summarize the method we sketched in the previous section, for finding a feasible basis for the constraint system (8.1) n j =1 a ij x j = b i ( i =... | HuggingFaceTB/finemath | |
# 1 Times Table
How does your child feel about learning the 1 times table? We imagine that it could be a bit of a challenge to keep them engaged in their math lessons. But, it is important for kids in elementary school to learn multiplication tables 1-10. So fret not, we’re here to take the yawn out of math with a few... | HuggingFaceTB/finemath | |
11 June 2014
Imagine you're working on a project and there are many things that can go wrong, and if any of them goes wrong then the project fails. How can you maximize the chance of success? If there are $$n$$ possible failure modes each with probabilty $$p$$, then the overall probability of failure is somewhere betw... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Reduce 470/361 to lowest terms
470/361 is already in the simplest form. It can be written as 1.301939 in decimal form (rounded to 6 decimal places).
#### Steps to simplifying fractions
1. Find the GCD (or HCF) of numerator and denominator
GCD of 470 and 361 is 1
2. Divide bot... | HuggingFaceTB/finemath | |
## On h-Propositional Reflection and Hedberg’s Theorem
Thorsten Altenkirch, Thierry Coquand, Martin Escardo, Nicolai Kraus
## Overview
Hedberg’s theorem states that decidable equality of a type implies that the type is an h-set, meaning that it has unique equality proofs. We describe how the assumption can be weaken... | HuggingFaceTB/finemath | |
# Find all unique combinations of exact K numbers (from 1 to 9 ) with sum to N
Objective: Given two integers N and K. Write an algorithm to find all the combinations of k numbers which sum to N.
Conditions:
• All K numbers must be between 1 and 9 and unique.
• All numbers in K are positive.
Example:
```N= 5
K=2
Ou... | HuggingFaceTB/finemath | |
# At what temperature in degrees celsius would this reaction go twice as fast?
A. The activation power of a specific effect is 36.8 kJ/mol at
28 levels celsius the price continual is 0.0190s^-1 at just what
heat in levels celsius would this effect get doubly
quickly? B. considering that the first price constant is 0.0... | HuggingFaceTB/finemath | |
# HSSlive: Plus One & Plus Two Notes & Solutions for Kerala State Board
## 1 Gaj in Square Kilometer in West Bengal
In this article, you will learn how to convert 1 Gaj in Square Kilometer in West Bengal. Gaj is one of the most commonly used measurement units used in almost every state of India. People in Indian stat... | HuggingFaceTB/finemath | |
# Thread: Determining slope and Y-Int
1. ## Determining slope and Y-Int
So... I've been away from the math world for sometime and I need some help here.
I have this graph:
And I need to determine the slope and y intercept on it, can someone please tell me how I would do that in good detail so I can remember this st... | HuggingFaceTB/finemath | |
# Evaluate the indefinite integral integrate of sin^4(x)cos^4(x)dx
sciencesolve | Teacher | (Level 3) Educator Emeritus
Posted on
You should use half angle formulas such that:
`sin^2 x = (1 - cos 2x)/2 => sin^4 x = (1 - cos 2x)^2/4`
`cos^2 x = (1 + cos 2x)/2 => cos^4 x = (1 + cos 2x)^2/4`
`sin^4 x*cos^4 x = (1 - ... | HuggingFaceTB/finemath | |
BrownMath.com → TI-83/84/89 → Multiplying Vectors
Updated 13 Nov 2020
# How to Multiply Vectors on TI-83/84
Summary: You can easily compute scalar products (dot products) on your TI-83 or TI-84 with built-in functions. A simple-follow-on lets you compute the length or magnitude of a vector.
This page also gives a pr... | HuggingFaceTB/finemath | |
83 168
Assignments Done
99,2%
Successfully Done
In February 2020
Question #7003
a taxi driver allows his taxi cab weighing 17.08 kN to coast in neutral, and air resistance decelerates the car from 35.8 m/s to 22.4 m/s in a period of 24 seconds. calculate (a) the average deceleration, (b) the displacement of the car wh... | HuggingFaceTB/finemath | |
# Trig
posted by .
A baseball diamond is a square with sides 22.4m The pitchers mound is 16.8m from home plate on the line joining home plate and second base. How far is the pitchers mound from first base?
• Trig -
see related questions below
• Trig -
They aren't explained in a way that I can understand them. Can... | HuggingFaceTB/finemath | |
CKQSH - EDITORIAL
Author: Pranjul Pal
Tester: Navin Chandra
Editorialist: Pranjul Pal
Easy
Math
PROBLEM:
Out of total N rooms in a row, you have to calculate no. of ways of selecting k rooms such that no two adjacent rooms have been selected.
QUICK EXPLANATION:
Total number of ways can be calculated using the fo... | HuggingFaceTB/finemath | |
# Vectors Q (1 Viewer)
#### hmim
##### Member
Can someone show me their working for this question please, I'm a bit stuck
#### Average Boreduser
##### “If things go wrong, don’t go with them.”- Roger B
You can also use the cross product to solve this (though I'm not sure if its in the MX2 syllabus)
fr
#### tywebb... | HuggingFaceTB/finemath | |
# Top 20 algorithm interview questions
## Top 20 algorithm interview questions
1. Given an array of integers, find the indices of two numbers that sum up to the given target. For example –
Arr[] = {1, 2, 4 -3, 7}, and target = 6, we exactly one such occurrence return the indices of those elements.
Ans. The idea here ... | HuggingFaceTB/finemath | |
# Homework Help: Tricky stats question from assignment
1. Oct 13, 2011
### tapciv
1. The problem statement, all variables and given/known data
265 students hire a tutor to help them improve their scores on the SAT test. The results are summarized in Math and Verbal score changes.
Math: Mean change in score = 19, St... | HuggingFaceTB/finemath | |
# 2017 AIME I真题及答案解析
## Problem 1
Fifteen distinct points are designated on $\triangle ABC$: the 3 vertices $A$, $B$, and $C$; $3$ other points on side $\overline{AB}$; $4$ other points on side $\overline{BC}$; and $5$ other points on side $\overline{CA}$. Find the number of triangles with positive area whose vertice... | HuggingFaceTB/finemath | |
# Force and Motion (Complete)
Começar. É Gratuito
ou inscrever-se com seu endereço de e-mail
1444
1107
683
150
Force and Motion (Complete)
## 1. Motion
### 1.1. Speed
1.1.1. Average speed:
1.1.1.1. Average speed = distance / time
### 1.2. Velocity
1.2.1. Definition:
1.2.1.1. the speed of an object in a particul... | HuggingFaceTB/finemath | |
# Banker's Discounts
Banker's Discount and True Discount: What is Banker's Discount? Banker's Discount formula for aptitude questions
## Banker's Discount and True Discount: What is Banker's Discount? Banker's Discount formula for aptitude questions # 2 TIPS on cracking Aptitude Questions on Bankers Discount
Lookin... | HuggingFaceTB/finemath | |
+0
# what rate of interest compounded continuously is required to double an investment in 3 years?
0
68
2
what rate of interest compounded continuously is required to double an investment in 3 years?
May 9, 2022
#1
+1
Ln(2) / 3 ==23.105% compounded continuously will double your money in 3 years.
May 9, 2022
#2
+... | HuggingFaceTB/finemath | |
# Primary ideals are those whose quotient has irreducible prime spectrum. [duplicate]
I'm currently trying to figure out primary ideals and I think I proved the following geometric statement, but I'm not sure if I did it right and would like to have some feedback.
Lemma: An ideal $$\mathfrak{a}$$ of a commutative rin... | HuggingFaceTB/finemath | |
# The sum of two numbers is -29. The product of the same two numbers is 96. What are the two numbers?
Feb 14, 2018
The two numbers are $- 4$ and $- 24$.
#### Explanation:
You can translate the two statements from English to math:
$\stackrel{x + y}{\overbrace{\text{The sum of two numbers"" " stackrel(=) overbrace"i... | HuggingFaceTB/finemath | |
# Math (Trigonometry)
posted by .
θ is an acute angle such that tan(θ)=1/4. What is the value of 17√17*(sinθ+cosθ)?
• Math (Trigonometry) -
tan(θ)=1/4 =>
cos(θ)=4/√17, and
sin(θ)=1/√17
Guess you can take it from here.
## Similar Questions
1. ### Math - Calculus
The identity below is significant because it relat... | HuggingFaceTB/finemath | |
Find all School-related info fast with the new School-Specific MBA Forum
It is currently 24 Jun 2016, 22:43
### 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.
C... | HuggingFaceTB/finemath | |
# Understand that integers can be divided, provided that the divisor is not zero, and every quotient of integers (with non-zero divisor) is a rational number. If p and q are integers, then -(p/q) = (-p)/q = p/(-q). Interpret quotients of rational numbers by describing real-world contexts.
### Popular Tutorials in Unde... | HuggingFaceTB/finemath | |
# Power Rule of Exponents
## Formula
${(b^\, m})}^n} \,=\, b^\, mn$
The power of an exponent with a base is equal to the product of the exponents with same base, is called the power rule of exponents.
### Introduction
$b$, $m$ and $n$ are constants. The literals $b$ and $m$ formed an exponential term $b^\,m$. The ... | HuggingFaceTB/finemath | |
# Questions Asked in UIICL Assistant Prelims 2017 – Sep 22
## UIICL Assistant 2017 Prelims – 22 Sep
Number Series:
1. 1, 2.1, 3.7, 5.9, 8.8, ?
2. 250, 269, 231, 288, ?
3. 109, 107, 112, 102, 119
4. 8, 8, 12, 24, ?
5. 2, 3, 7, 22, ?
6. 2, 5.8, 9.1, 11.8, 13.8, ?
7. 8, 7, 13, 38, ?, 754
8. 8, 4, 4, 8, 32, ?
9. 600, 5... | HuggingFaceTB/finemath | |
Saturday, December 14, 2019
Problem Statement
You are given coins of different denominations and a total amount of money amount. Write a function to compute the fewest number of coins that you need to make up that amount. If that amount of money cannot be made up by any combination of the coins, return `-1`. Example ... | HuggingFaceTB/finemath | |
Home >Documents >Probability Bingo
# Probability Bingo
Date post:23-Feb-2016
Category:
View:32 times
Description:
Probability Bingo. October 3, 2007 8D Mathematics. Under the B. If you pick a random card out of a deck of cards , what are the odds you will get a heart ? Hint: there are 52 cards and 4 suits. Under the ... | HuggingFaceTB/finemath | |
»
# What the Odds Mean by Meg Elaine Schneider
Odds are a mathematical calculation of the likelihood of a given outcome. For example, when you toss a fair coin, there are two possible outcomes: the coin will land either heads up or tails up. The likelihood of it landing heads up is 1 in 2. If you wager that a coin wi... | HuggingFaceTB/finemath | |
# Explanation on Shunt resistor from meter
## Main Question or Discussion Point
I know meter shunts are used to direct most of the current away from the meter coil but my question is if you direct most of current away from the coil, how is the meter measuring the current flow accurately.
Im kinda slow in the head so... | HuggingFaceTB/finemath | |
# Search by Topic
#### Resources tagged with Squares similar to Circle Panes:
Filter by: Content type:
Age range:
Challenge level:
### There are 50 results
Broad Topics > Angles, Polygons, and Geometrical Proof > Squares
### Sorting Logic Blocks
##### Age 5 to 11 Challenge Level:
This interactivity allows you to... | HuggingFaceTB/finemath | |
MATHEMATICAL DESIGN OF THE BASMALLAH
The four words and the 19 letters of the Basmalah are put together according to a mathematical system which is humanly impossible to compose. This remarkable system is based on the number and the gematrical values of the letters that constitute the four words of the Basmalah. Let u... | HuggingFaceTB/finemath | |
20160812192002overview__rc_filter_design__final_fall_2012_2_.pptx
20160812192006msu_mobile_studio_project_5__rc_circuit_and_time_constant_fall_2012_1_.pdf
Unformatted Attachment Preview
Overview RC Filter Circuit Design
Dr. Yacob Astatke
Fall 2010
Overview: RC Filter Circuit Design
Definition: “A filter is a circu... | HuggingFaceTB/finemath | |
The-probability-of-getting-a-letter-that-can-be-found-in-your-first-name-statistics-homework-help
PLEASE SHOW WORK FOR ALL PROBLEMS
1.(15 points) Assume that the 26 letters of English language alphabet (A through Z) are the equally likely outcomes (simple events) of a statistical experiment, e.g., a wheel of fortune ... | HuggingFaceTB/finemath | |
# DAV Class 4 Maths Chapter 6 Brain Teasers Solutions
The DAV Class 4 Maths Book Solutions and DAV Class 4 Maths Chapter 7 Brain Teasers Solutions of Weight offer comprehensive answers to textbook questions.
## DAV Class 4 Maths Ch 6 Brain Teasers Solutions
Question 1.
Convert the following into grams.
(i) 10 kg 7 g... | HuggingFaceTB/finemath | |
💬 👋 We’re always here. Join our Discord to connect with other students 24/7, any time, night or day.Join Here!
# Graph the given functions on a common screen. How are these graphs related?$y = 3^x$ , $y = 10^x$ , $y = (\frac{1}{3})^x$ , $y = (\frac{1}{10})^x$
## The functions with bases greater than $1\left(3^{x} \... | HuggingFaceTB/finemath | |
Search a number
9614 = 2111923
BaseRepresentation
bin10010110001110
3111012002
42112032
5301424
6112302
740013
oct22616
914162
109614
117250
125692
1344b7
14370a
152cae
hex258e
9614 has 16 divisors (see below), whose sum is σ = 17280. Its totient is φ = 3960.
The previous prime is 9613. The next prime is 9619. The re... | HuggingFaceTB/finemath | |
# About Wheatstone Bridge Method
• cemx
In summary, the conversation discusses the two questions asked by the student. The student is unable to answer the first question, but is able to answer the second question.f
#### cemx
I need your help to finish my homework.I have only two questions
1-If a diameter of a wire ... | HuggingFaceTB/finemath | |
# Physical quantities, Scalar Quantities, Vector quantities and Finding resultant of two perpendicular forces
Physical quantities can be classified into Scalar and Vector Quantities, A Scalar quantity is a physical quantity that can be fully defined by its magnitude only and it has no direction while a Vector quantity... | HuggingFaceTB/finemath | |
# Algebra
posted by .
I'm having a problem solving the following example. The teacher wants it in this format. 1st the Verbal Model, 2nd the Labels 3rd Algebraic Model 4th- Solve and finally 5th part: Answer Question.
Example: You are working on a scouting badge. You need 60 points on 4 projects to earn the badge. O... | HuggingFaceTB/finemath | |
Diagonals AC and BD of a trapezium ABCD with AB || DC intersect each other at O.
Question. Diagonals $A C$ and $B D$ of a trapezium $A B C D$ with $A B \| D C$ intersect each other at $O$. Prove that $\operatorname{ar}(A O D)=\operatorname{ar}(B O C)$.
Solution: It can be observed that ΔDAC and ΔDBC lie on the same ba... | HuggingFaceTB/finemath | |
# Calculate the variance of $\sum\limits_{i=1}^{n-1} \sum\limits_{j=i+1}^n S(X_i - X_j)$ for $X_1,\ldots,X_n$ i.i.d. random variables
In p.88 of Wand & Jones (1995), they asked to show the following result.
Let $$X_1,\ldots,X_n$$ be a set of i.i.d. random variables and define $$U=2n^{-2}\sum_{i=1}^{n-1} \sum_{j=i+1}^... | HuggingFaceTB/finemath | |
## Recursion
### March 12, 2019
Although we sometimes discuss rather more advanced topics, one focus of this blog will always be on student programmers, so I monitor several internet sites that cater to questions from learners. I have seen several posts in the last week or so about recursion, so I assume that we have... | HuggingFaceTB/finemath | |
MAM2000 (Dimension)
# Dot Product in Three Dimensions
Geometrically, we know that two vectors are perpendicular if the Pythagorean Theorem holds, i.e. the square of the length of (a,b,c) plus the square of the length of (x,y,z) equals the square of the length of (a,b,c) - (x,y,z) = (a-x,b-y,c-z). This means that a2 +... | HuggingFaceTB/finemath | |
# Sudoku Puzzles in O log n time although inefficient
Suppose, I got a hypothetical fixed list of all possible general Sudoku puzzles. I then create the pseudo-code to demonstrate the algorithm.
• The algorithm does a search to compare the indexes of elements in the puzzle that are not listed as zero.
• In other wor... | HuggingFaceTB/finemath | |
# Verify my attempt to diagonalize matrix
Decide whether matrix $A$ is diagonalizable. If so, find $P$ such that $P^{-1}AP$ is diagonal.
We are given: $A = \begin{bmatrix}1 & 0 & 0 \\ 1 & 2 & 1 \\ 0 & 0 & 1\end{bmatrix}$
We set up and and solve: $|A - \lambda I| = 0$, which yields:
$$\left|\begin{matrix}1-\lambda &... | HuggingFaceTB/finemath | |
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# Significant digits
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### Significant digits
1. 1. SIGNIFICANT DIGITS<br />WATCH OUT!!!!<br />CERTAIN RULES TOTAKEC... | HuggingFaceTB/finemath | |
# How do you add radicals sqrt10 + sqrt10?
##### 1 Answer
Apr 4, 2015
You can simply combine like terms and call it $2 \sqrt{10}$.
Say I had $x + x$. There are two $x$ terms, so we call it $2 x$, or two times $x$. Say we let $x = \sqrt{10}$ and had$\sqrt{10} + \sqrt{10}$. We would simply call it $2 \sqrt{10}$. | HuggingFaceTB/finemath | |
# Showing that gcd does not exist for $3(1+\sqrt{-5})$ and $3(1-\sqrt{-5})$ in $\mathbb Z[\sqrt{-5}]$.
An exercise asks me to show that $3(1+\sqrt{-5})$ and $3(1-\sqrt{-5})$ have no greatest common divisor in $\mathbb Z[\sqrt{-5}]$.
I think I have to find two maximal common divisors which are not associated. I know 3... | HuggingFaceTB/finemath | |
# Word Problem With Multiple Decimal Operations: Problem Type 2 Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Word Problem With Multiple Decimal Operations: Problem Type 2. You will have to read all the given answers and click over the correct answer. If you are not sure about the ans... | HuggingFaceTB/finemath | |
## The contents
Back to the beginning of the page Back to the CS838 class schedule
## Standard Even-Even Merge Sort on EREW PRAM
Recall the Even-Even Merge Sort (EEMS) algorithm from Section #17. It was based on the Even-Even Merge operation. EEMS can be easily implemented on EREW PRAM, since all parallel CE operat... | HuggingFaceTB/finemath | |
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Sound Intensity
1. 1. SOUND INTENSITY AND DECIBELS
2. 2. ... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Subtract 63/40 from 56/5
1st number: 11 1/5, 2nd number: 1 23/40
56/5 - 63/40 is 77/8.
#### Steps for subtracting fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
2. For the 1st fraction, since 5 × 8 = 40,
56/5 = 56 × 8/5 ×... | HuggingFaceTB/finemath | |
# How To Convert 250 Cubic Meter To Tonne?
You cannot simply convert cubic meters into tonnes. You need to know what the substance you are measuring is, as cubic meters is a measure of volume, not mass. To find out the mass of a given volume of a substance, you need to know its density.
The density of certain substanc... | HuggingFaceTB/finemath | |
### ACSL Practice 2009
On a straight single-lane road, there are n cars parked with a space of d meters wide separating every two adjacent cars. The cars will start to move successively in the same direction as follows.
At the beginning, the first car moves at a speed of v meters per second, while the other cars are ... | HuggingFaceTB/finemath | |
# 1. Introduction
This blog post addresses the Subset Sum problem, a classic problem in computer science and combinatorial optimization. The challenge is to determine if there is a subset of a given set of non-negative integers that sums up to a specific value.
## Problem
Given a set of non-negative integers and a v... | HuggingFaceTB/finemath | |
Logical Equivalences
Created on March 5, 2013, 10:33 p.m. by Hevok & updated by Hevok on May 2, 2013, 5:31 p.m.
For a logical Formula there exists infinitely many equivalent forms, by arbitrary transformations.
• For all of these Equivalence Classes one designates a most simple and unique representative
Cumulative ... | HuggingFaceTB/finemath | |
# Cost-Benefit Analysis (Rosen Chapter 12 )
## On page 246 in Rosen Discussion question number 5 is a benefit cost problem
Below is an example of how you might respond to the question.
5. a. Bill is willing to pay \$0.25 to save 5 minutes, so he values time at \$.05 per minute.
The subway saves him 10 minutes per t... | HuggingFaceTB/finemath | |
# Finding an inverse matrix using Gauss-Jordan
• Sep 24th 2011, 05:39 PM
m58
Finding an inverse matrix using Gauss-Jordan
Hello,
I've been trying to find the inverse of the following matrix for some time now:
1 0 2
2 -1 3
4 1 8
I can easily find the answer on my calculator, but I have no idea how to find the invers... | HuggingFaceTB/finemath | |
1. ## Partial Fractions
Hi
Need help on expressing the following equation in partial fractions:
$\frac{x^2-x+3}{(x^2-3x+7)(x+2)^2)}$
$=\frac{A}{(x+2)}+\frac{B}{(x+2)^2}+\frac{Cx+D}{x^2-3x+7}$
$A(x+2)(x^2-3x+7)+B(x^2-3x+7)+(Cx+D)(x+2)^2=x^2-x+3$
Equation 1: $A+C=0$
Equation 2: $-A+B+4C+D=1$
Equation 3: $A-3B+4C+4D=-1... | HuggingFaceTB/finemath | |
# Homework Help: Order of differentiation can be reversed?
1. Aug 7, 2007
### jhat21
1. The problem statement, all variables and given/known data
http://www.mathpages.com/home/kmath523/kmath523.htm
In trying to arrive at the Lagrange equations of motion, on the above website, I stumbled over a bit that involved reve... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Reduce 4/7 to lowest terms
4/7 is already in the simplest form. It can be written as 0.571429 in decimal form (rounded to 6 decimal places).
#### Steps to simplifying fractions
1. Find the GCD (or HCF) of numerator and denominator
GCD of 4 and 7 is 1
2. Divide both the numera... | HuggingFaceTB/finemath | |
## What is velocity definition in physics?
Velocity in physics is defined as a vector measurement of the direction and rate of the motion. To be specific, the velocity of an object can also be defined as the rate of change in the object’s position corresponding to a frame of reference and time.
### What is the simple... | HuggingFaceTB/finemath | |
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• Level: GCSE
• Subject: Maths
• Word count: 1214
# Statistics - comparing word lengths from broadsheet and tabloid newspapers.
Extracts from this document...
I... | HuggingFaceTB/finemath | |
# Enigmatic Code
Programming Enigma Puzzles
## Enigma 1746: Square in common
From New Scientist #2914, 27th April 2013 [link]
Harry and Tom each chose two four-digit perfect squares (with no leading zero) which used eight different digits. Each of them told me which two digits were not used in his squares, and that... | HuggingFaceTB/finemath |
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