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Find all School-related info fast with the new School-Specific MBA Forum
It is currently 04 May 2015, 17:56
### 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 | |
Equivalent Lengths mm and cm Year 3 Length and Perimeter Resource Pack | Classroom Secrets
MathsYear 3Spring Block 4 (Length and Perimeter)03 Equivalent Lengths mm and cm › Equivalent Lengths mm and cm Year 3 Length and Perimeter Resource Pack
# Equivalent Lengths mm and cm Year 3 Length and Perimeter Resource Pack
... | HuggingFaceTB/finemath | |
Curl F = F, solve for F (PDE)
1. Jul 23, 2012
math man
I was looking through a calculus book doing some of the practice problems where I was asked to calculate the curl of a few functions. One of them got me thinking, is there a function whose curl is itself? Much like how $e^{x}$ is it's own derivative, is there a ... | HuggingFaceTB/finemath | |
• May 1st 2008, 02:02 PM
zolosio
Hello everyone. I really could use some help figuring out a payout calculation for a weekly split of funds based on nightly participation.
Here's my problem, I have to split a set amount of funds each week between a random # of people. I want to award diff amounts based on 3, 4 and 5 n... | HuggingFaceTB/finemath | |
Miscellaneous
Chapter 4 Class 11 Complex Numbers
Serial order wise
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
### Transcript
Misc 5 (Method 1) If z1 = 2 β i, z2 = 1 + i, find |(π§_1 + π§_2 + 1)/(π§_1 β π§_2 + 1)| We have to find |(π§_1 + π§_2 + 1)/(π§_1 β π§_2 ... | HuggingFaceTB/finemath | |
# How to Divide Mixed NumbersSupport Page
Welcome to our How to Divide Mixed Numbers support page.
On this page, we have some support and worked examples on how to divide mixed numbers, or mixed fractions, including free support sheets and practice sheets.
## How to Divide Mixed Numbers
### How to Divide Mixed Numb... | HuggingFaceTB/finemath | |
# 数学代写|数值分析代写numerical analysis代考|MATH3003
## 数学代写|数值分析代写numerical analysis代考|Inner products for function spaces
To facilitate the development of least squares approximation theory, we introduce a formal structure for $C[a, b]$. First, recognize that $C[a, b]$ is a linear space: any linear combination of continuous f... | HuggingFaceTB/finemath | |
The equation below represents a typical sinusoidal signal with frequency represented in Hertz:
v(t) = V_p sin (2\pi f t + \phi)
• v(t) is the signal
• V_p is the peak amplitude of the signal
• f is the frequency of the signal (in Hz)
• t is time
• \phi is the phase shift of the signal
The following sub-sections go i... | HuggingFaceTB/finemath | |
# 7.1 Lab 7: system response, analog and digital filters
Page 1 / 1
## Response of discrete-time systems
This lab involves analyzing the response of discrete-time systems. Responses are calculated for three different kinds of inputs; impulse, step and sine. [link] shows the completed block diagram. Connect the inpu... | HuggingFaceTB/finemath | |
In order to alleviate the fraction we find the Greatest usual Factor (GCF) because that 45 and 100. A factor is simply a number the divides into another number without any remainder.The components of 45 are: 1 3 5 9 15 45 The determinants of 100 are: 1 2 4 5 10 20 25 50 100 The Greatest typical Factor (GCF) because tha... | HuggingFaceTB/finemath | |
Question
# Q.33. A projectile is projected with certain velocity at an angle $\theta$ with the horizontal from the ground. If its time of flight is T then the magnitude of change in its velocity when body reaches to ground again is (g is acceleration due to gravity) (1) gT (2) $\frac{gT}{2}$ (3) 2gT (4) $\frac{{g}^{2}... | HuggingFaceTB/finemath | |
Study Materials
# NCERT Solutions for Class 10th Mathematics
Page 2 of 5
## Chapter 13. Surface Areas and Volumes
### Exercise 13.2
Exercise 13.2
1. A solid is in the shape of a cone standing on a hemisphere with both their radii being equal to 1 cm and the height of the cone is equal to its radius. Find the volu... | HuggingFaceTB/finemath | |
I say it’s legendary – I hadn’t heard of it before stumbling across this Numberphile video:
That said, it’s a question with a good story behind it: it’s from the 1988 International Mathematics Olympiad (which immediately says “this is a hard question”); it was marked with two asterisks to say “this is especially hard”... | HuggingFaceTB/finemath | |
<meta http-equiv="refresh" content="1; url=/nojavascript/">
# Same Side Interior Angles
## Angles on the same side of a transversal and inside the lines it intersects.
Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills funda... | HuggingFaceTB/finemath | |
# Exercises: Solve a Formula for a Specific Variable (3.6)
## Exercises: Use the Distance, Rate, and Time Formula
Instructions: For questions 1-12, solve.
1. Steve drove for $8\frac{1}{2}$ hours at $72$ miles per hour. How much distance did he travel?
2. Socorro drove for $4\frac{5}{6}$ hours at $60$ miles per hour... | HuggingFaceTB/finemath | |
# Proof involving asymptotic complexity
The question in Proof of big-o propositions asked to prove:
$$O(f(n))=O(g(n))\iff\Omega(f(n))=\Omega(g(n))\iff\Theta(f(n))=\Theta(g(n))$$
The accepted answer starts the proof with:
Suppose that $$O(f(n))=O(g(n))$$. It is easy to check that $$g(n)=O(g(n))$$ ... and so $$O(f(n)... | HuggingFaceTB/finemath | |
# Ideal (ring theory) explained
In ring theory, a branch of abstract algebra, an ideal of a ring is a special subset of its elements. Ideals generalize certain subsets of the integers, such as the even numbers or the multiples of 3. Addition and subtraction of even numbers preserves evenness, and multiplying an even n... | HuggingFaceTB/finemath | |
ma006 ยป
We're going to use our knowledge of radicals and factoring to solve quadratic equations. We'll use three different strategies in this unit, and we'll learn them one by one. The three methods are the square root method, completing the square and the quadratic formula. First, we'll learn each of the methods, an... | HuggingFaceTB/finemath | |
Update all PDFs
# Exponential Kiss
Alignments to Content Standards: F-LE.A.4 F-BF.B.5 F-IF.C.7.e
Below is a picture of the functions $f(x) = \log_b{x}$ and $g(x) = b^x$. In the application below, the base b varies between 1 and 2 (by hundredths) and pressing the "play" button will run through all possible values of ... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Subtract 2/9 from 1/21
1/21 - 2/9 is -11/63.
#### Steps for subtracting fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fract... | HuggingFaceTB/finemath | |
Lect4_BasisSet
# Lect4_BasisSet - Hermitian Operators Definition an operator...
This preview shows pages 1–3. Sign up to view the full content.
Hermitian Operators Definition: an operator is said to be Hermitian if it satisfies: A =A Alternatively called ‘self adjoint’ In QM we will see that all observable propertie... | HuggingFaceTB/finemath | |
# GENERAL KNOWLEDGE
## GK
### PHYSICS
Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The force of gravity between you and Earth is greater than the force of gravity between you and a car because Earth has more ____ than the car.
A mass B density C force D friciton
Explanation:
Detailed explanation-1: -Th... | HuggingFaceTB/finemath | |
Question Video: Solving Multistep Problems Involving Right Triangle Trigonometry to Find an Unknown Length | Nagwa Question Video: Solving Multistep Problems Involving Right Triangle Trigonometry to Find an Unknown Length | Nagwa
# Question Video: Solving Multistep Problems Involving Right Triangle Trigonometry to Fin... | HuggingFaceTB/finemath | |
## Orderer
We already went through this in a previous section, but, to recap, we went through 3 scenarios where we’ll need to re-arrange the tree when it doesn’t follow the order of operations. Let’s quickly look at the process again:
### Precedence 1
For `a + b * c`:
```
graph TD;
subgraph s1["Step 1"]
mul --> c(c... | HuggingFaceTB/finemath | |
Re: I know the diagonal of a rectangle, nothing else. Can I calculate the area?
Date: Thu Sep 14 19:10:13 2000
Posted By: Evelyn Tsang, Research Assistant
Area of science: Other
ID: 968383330.Ot
Message:
Admin note: The follwing is true only if you assume that both dimensions of the rectangle are equal. Please see th... | HuggingFaceTB/finemath | |
# One of the Most Incredibly Disregarded Answers for What Is a Coefficient in Math
## The Tried and True Method for What Is a Coefficient in Math in Step by Step Detail
A matrix is only a rectangular grid of numbers. To start with, you desire to comprehend your squares. Be aware that in case you don’t recognize it as... | HuggingFaceTB/finemath | |
5.12 A short bar magnet has a magnetic moment of 0.48 J T–1. Give the direction and magnitude of the magnetic field produced by the magnet at a distance of 10 cm from the centre of the magnet on (a) the axis, (b) the equatorial lines (normal bisector) of the magnet.
Magnetic moment of the bar magnet,
(a) Distance, d =... | HuggingFaceTB/finemath | |
# Worksheet on Multiplication and Division by 7
We know multiplication and division are related to each other. Now we practice the worksheet on multiplication and division by 7 to see how they are related to each other.
To work on this worksheet we need to know the multiplication table of 7.
I. Fill in the blanks:
... | HuggingFaceTB/finemath | |
# Fundamental group
In mathematics, the fundamental group is one of the basic concepts of algebraic topology. It is a group associated with every point of a topological space and conveying information about the 1-dimensional structure of the space. The fundamental group is the first homotopy group.
Contents
## Intu... | HuggingFaceTB/finemath | |
# Bank PO :: PO Quantitative Aptitude Q Test No 84
## Home Bank PO / PO Quantitative Aptitude Q Test No 84 Questions and Answers
1 .
In how many ways can 6 boys and 5 girls be seated in row so that they sit alternately ?
43200
86400
21600
840
2 .
When two dice are thrown, what is the probability that the differenc... | HuggingFaceTB/finemath | |
# AP Statistics Curriculum 2007 Distrib RV
## General Advance-Placement (AP) Statistics Curriculum - Random Variables and Probability Distributions
### Random Variables
A random variable is a function or a mapping from a sample space into the real numbers (most of the time). In other words, a random variable assigns... | HuggingFaceTB/finemath | |
# Math 2602
### Don't Panic
BTW: All of the people mentioned in the problems are mountain climbers.
All but Georgie Mallory have climed Everest. (Malory almost certainly did not, he died trying.)
### Problem 1 (10 points)
George Mallory wants you to show by induction that + n is evenly divisibleby 2, for al... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Divide 56/60 with 8/42
56/60 ÷ 8/42 is 49/10.
#### Steps for dividing fractions
1. Find the reciprocal of the divisor
Reciprocal of 8/42: 42/8
2. Now, multiply it with the dividend
So, 56/60 ÷ 8/42 = 56/60 × 42/8
3. = 56 × 42/60 × 8 = 2352/480
4. After reducing the fraction, ... | HuggingFaceTB/finemath | |
# Rigourous proof of Euler's identity. [closed]
We wish to prove that $$e^{i\pi}+1=0.$$
The standard approach is to use Euler's formula (immediate, for example, from the series definition of the exponential, sine and cosine) and then to use the facts that, $$\sin(\pi)=0\text{, and }\cos(\pi)=-1$$ to draw the necessar... | open-web-math/open-web-math | |
Measurement of the focal length of a converging lens
When a ray box is placed on one side of a converging (convex) lens and a screen is placed on the other side, a real image of the object (slit at front of ray box) can be formed on the screen. The ray box is moved and the image located on the screen. The object dista... | HuggingFaceTB/finemath | |
## Subtitles section Play video
• "Eigenvectors and eigenvalues" is one of those topics that a lot of students find particularly unintuitive.
• Questions like "why are we doing this" and "what does this actually mean"
• are too often left just floating away in an unanswered sea of computations.
• And as I put out t... | HuggingFaceTB/finemath | |
# February 2020 Brain Puzzler Solution
Q: In an economy pack of 12 highlighters, 3 are defective.
If you purchase 2 highlighters (picked randomly), what is the probability that neither highlighter is defective?
A: 6/11
Since there are 3 defective highlighters out of 12, the probability of selecting the first non-def... | HuggingFaceTB/finemath | |
# How do you find the equation of the circle given r=4; C(3,-4)?
Jun 16, 2016
${\left(x - 3\right)}^{2} + {\left(y + 4\right)}^{2} = 16$
#### Explanation:
The standard form of the equation of a circle is.
$\textcolor{red}{| \overline{\underline{\textcolor{w h i t e}{\frac{a}{a}} \textcolor{b l a c k}{{\left(x - a\... | HuggingFaceTB/finemath | |
# Cosine Rule for Triangles
The Cosine Rule for triangles can also be called the law of cosines.
It is the case that the sincos and tan ratios can be helpful in finding certain values of a Right Angle Triangle.
Those specific functions, however, can also assist with calculations for triangles which are not right... | HuggingFaceTB/finemath | |
# Day 23-24: Similarity Day 2 + Trig
Busy day yesterday and wasn’t able to post – I’ll combine yesterday with today:
We finished the similarity unit by talking about perimeter, area, and volume ratios. I started class with an investigation on area and perimeter of similar rectangles. The sheet is downloadable below. ... | HuggingFaceTB/finemath | |
## 10.7.2 General Form
Slope intercept form is best when you know the y-intercept and the slope of a line, but there are many times, especially when talking about real life situations, that we don't know what the slope or the y-intercept are.
Suppose you have 2 jobs that each pays different hourly wages. Job X pays ... | HuggingFaceTB/finemath | |
# Thread: P(H heads in a row) given N coin flips
1. ## P(H heads in a row) given N coin flips
Hi,
I recently thought of the following problem and my basic grasp of probability and combinatorics is not enough to handle it:
You flip a coin N times. What is the probability P(N,H) that you get at least one sequence of ... | HuggingFaceTB/finemath | |
## Calculus (3rd Edition)
Published by W. H. Freeman
# Chapter 14 - Calculus of Vector-Valued Functions - 14.3 Arc Length and Speed - Exercises - Page 725: 12
#### Answer
$v(1)=\sqrt{14}$
#### Work Step by Step
We have $r'(t) =\lt 1, 2 t, 3t^2\gt$. Hence the speed $v(t)$ is given by $$v(t)=\|r'(t)\|=\sqrt{1+4t^2+... | HuggingFaceTB/finemath | |
# N1/E1.1
Count reliably up to 10 items
(a) understand that if items are rearranged the number stays the same
(b) know how to count on and back from any small number
## Classroom objects and numbers - bingo game
A game of bingo to practise classroom objects and numbers 1-16. There are 8 different bingo cards and a t... | HuggingFaceTB/finemath | |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 14 Oct 2019, 13:39
### 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.
Customize... | HuggingFaceTB/finemath | |
# Angular acceleration
Angular acceleration is the time rate of change of angular velocity. In three dimensions, it is a pseudovector. In SI units, it is measured in radians per second squared (rad/s2), and is usually denoted by the Greek letter alpha (α).[1] Just like angular velocity, there are two types of angular ... | HuggingFaceTB/finemath | |
Search a number
227 is a prime number
BaseRepresentation
bin11100011
322102
43203
51402
61015
7443
oct343
9272
10227
11197
1216b
13146
14123
15102
hexe3
227 has 2 divisors, whose sum is σ = 228. Its totient is φ = 226.
The previous prime is 223. The next prime is 229. The reversal of 227 is 722.
Subtracting from 227... | HuggingFaceTB/finemath | |
### An example of an adaptive proof
Here’s an example that might help to see how the machinery described in the previous post works. Let’s take LLL to be CLuN (the positive part of classical logic plus the excluded middle). We can construct an adaptive logic where the constituents of Ω are all substitution instances o... | HuggingFaceTB/finemath | |
# Main Categories
Total:
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# Visualizing Common Core's Conceptual Understanding, Multiplication Example
Product Rating
4.0
4 ratings
File Type
PDF (Acrobat) Document File
1 MB|7 pages
Product Description
Multiplication is approached from 8 different perspectives and representati... | HuggingFaceTB/finemath | |
Home > Margin Of > Sampling Error 95 Confidence
# Sampling Error 95 Confidence
Given that prerequisite, sampling error is based largely on sample size, but also on the x Standard error of the sample. Text is available under the Creative with these terms, click here. Confidence Level (%): 8085909599 The numberthe past... | HuggingFaceTB/finemath | |
3、Stochastic Differential Equation(SDE)
3.1、Forward Brownian motion SDE(正时序加噪布朗运动随机微分方程)
d x = f ( x , t ) d t + g ( t ) d w dx=f(x,t)dt+g(t)dw
3.1.1、DDPM与Forward Brownian motion SDE等价性
x i = 1 − β i x i − 1 + β i z i − 1 x_i=\sqrt{1-\beta_i}x_{i-1}+\sqrt{\beta_i}z_{i-1}
β i ^ = β i N \hat{\beta_i}=\frac{\beta_i}{N... | HuggingFaceTB/finemath | |
# Understanding basis and dimension
## Main Question or Discussion Point
I am really confused about something. I know that if I have a vector space, then the dimension of that vector space is the number of elements in a basis for it. But this brings up some confusing issues for me. For example, if we are looking at t... | HuggingFaceTB/finemath | |
<< problem 125 - Palindromic sums abc-hits - problem 127 >>
# Problem 126: Cuboid layers
The minimum number of cubes to cover every visible face on a cuboid measuring 3 x 2 x 1 is twenty-two. If we then add a second layer to this solid it would require forty-six cubes to cover every visible face,
the third layer woul... | HuggingFaceTB/finemath | |
# Combinatorics
Mathematics
Alternate title: combinatorial mathematics
combinatorics , also called combinatorial mathematics, the field of mathematics concerned with problems of selection, arrangement, and operation within a finite or discrete system. Included is the closely related area of combinatorial geometry.
... | HuggingFaceTB/finemath | |
Arrays¶
An array is an n-dimensional matrix. The elements are accessed by "row" and "column" indices.
Vectors¶
A Vector is just what you think it is: a 1-dimensional array. In Julia, these are always column vectors (sort of always).
To create a vector, simply fill it with values:
a = [1, 2, 3]
3-element Array{Int6... | HuggingFaceTB/finemath | |
##### Welcome to Subscribe On Youtube
Formatted question description: https://leetcode.ca/all/2396.html
# 2396. Strictly Palindromic Number
• Difficulty: Medium.
• Related Topics: Math, Two Pointers, Brainteaser.
• Similar Questions: Palindrome Number, Stone Game.
## Problem
An integer n is strictly palindromic if... | HuggingFaceTB/finemath | |
| 12540
# General - other
1. In a triangle ABC AB=AC then all the following are correct
exept one. Find that.
a) AB<AC+BC b)AC<AB+BC c)BC<AB+AC d) AB+BC>AC+BC(correct)
2. Ten years ago the father's age is seven times the son's
age. Two years later father's age is twice the son's. Then
the
find the ages.... | HuggingFaceTB/finemath | |
# What is 1/631 as a percentage?
1 / 631 = 0.16%
## Fraction to Percent Conversion Summary
We encourage you to check out our introduction to percentage page for a little recap of what percentage is. You can also learn about fractions in our fractions section of the website. Sometimes, you may want to express a fract... | HuggingFaceTB/finemath | |
# Brainfuck is not turing complete
Today I will bring you a very difficult proof question. I'm willing to bet that even if all the deceased mathematicians and programming contributors around the globe were alive, they wouldn't necessarily have done it.
"Please prove that Brainfuck is not a Turing-complete programming... | HuggingFaceTB/finemath | |
# Separation of variables
Printable View
• Oct 9th 2010, 06:35 AM
matlabnoob
Separation of variables
hi all,
im practising separation of variables for partial differential equations. i came across this site which says:
2. Separation of Variables
'NOTE: In this variables separable section we only deal with first or... | HuggingFaceTB/finemath | |
# Newton's Method Formula
In numerical analysis, Newton’s method is named after Isaac Newton and Joseph Raphson. This method is to find successively better approximations to the roots (or zeroes) of a real-valued function.
The method starts with a function f defined over the real numbers x, the function’s derivative... | HuggingFaceTB/finemath | |
Technology
# What is Dynamic Programming? A Complete Beginner’s Guide
Dynamic programming is a useful way to solve hard algorithmic problems quickly in computer programming. It includes splitting a problem into smaller ones, solving each one separately, and then putting all of the answers together to get the best ans... | HuggingFaceTB/finemath | |
# Concentration of hydroxide ions
• harambe
In summary, the conversation is about calculating the hydroxide ion concentration in an aqueous H2CO3 solution at 25°C. The attempted solution involved calculating the pH and POH, but the results did not match the expected answer. The question is to find the OH- concentratio... | HuggingFaceTB/finemath | |
# Proof of the nontrivial expression
1. Apr 13, 2014
### sludger13
I'm looking for a proof of a validity of the inequation:
$(n-1)\sum_{i=1}^{n}x_{i}^{2}\neq 2\sum_{i=1,j=1,j<i}^{n}x_{i}x_{j}$
Assumptions:
$n\geq 2$
$\exists (i,j),x_{i}\neq x_{j}$
$i=1,...,n$
$j=1,...,n$
I have no idea how to prove those non-triv... | HuggingFaceTB/finemath | |
## Principal Component Regression (PCR)
Principal Component Regression (PCR) is a statistical technique that combines two powerful methods: Principal Component Analysis (PCA) and linear regression.
The transformation of the original data set into a new set of uncorrelated variables is called principal components. Thi... | HuggingFaceTB/finemath | |
# math
posted by .
factor completely
81x^4 - 81
possible choices are::
(9x^2 + 9)(9x^2 - 9)
OR
(9x^2 +9)(3x + 3)(3x - 3)
• math -
No reason to stop there. Factor out all those 3's:
81(x^2+1)(x-1)(x+1)
If you must pick one of those choices, then use the last one, since it factors the 9x^2-9 as well. (factor c... | HuggingFaceTB/finemath | |
Web Results
## Convert Decimals to Fractions - Math is Fun
www.mathsisfun.com/converting-decimals-fractions.html
To convert a Decimal to a Fraction follow these steps: ... like this: decimal 1; Step 2: Multiply both top and bottom by 10 for every number after the decimal point.
May 23, 2012 ... Decimal to fraction,... | HuggingFaceTB/finemath | |
## Data Interpretation For SBI PO : Set – 13
(1-5): Read the following graph carefully and answer the questions given below: Delhi University offers two courses PG and PhD. The information regarding number of students applied for these two courses and among how many got selected from year 2004-2009 are shown by the gr... | HuggingFaceTB/finemath | |
# Laver table computations and an algorithm that is not known to terminate in ZFC
The Laver tables provide examples of programs which have not been shown to terminate in the standard axiomatic system of mathematics ZFC but which do terminate when one assumes very large cardinal axioms.
Introduction
The classical Lav... | open-web-math/open-web-math | |
# Lecture 5
We’ve seen in the above, that $A\Rightarrow B$ and $B\Rightarrow A$ are different statements. It’s helpful to have a word relating them:
Definition: Consider a statement of the form $A\Rightarrow B$. Then the converse of that statement is the statement $B\Rightarrow A$.
The truth of an implication has ver... | HuggingFaceTB/finemath | |
# Find an odd natural number x such that LCM (x, 40) = 1400
## For 40 the prime factorization is:
2³ ∙ 5¹
For 1400 the prime factorization is:
2³ ∙ 5² ∙ 7¹
Since x is an odd number, the factor 2³ must be discarded.
The number x can be written as:
x = 5ᵐ ∙ 7ⁿ
where
m ≤ 2
because in factorization the largest ex... | HuggingFaceTB/finemath | |
## Algebra 2 (1st Edition)
Published by McDougal Littell
# Chapter 4 Quadratic Functions and Factoring - 4.5 Solve Quadratic Equations by Finding Square Roots - Guided Practice for Example 1 - Page 266: 1
#### Answer
$3\sqrt3$
#### Work Step by Step
Simplify $\sqrt {27}$. $\sqrt{27}=\sqrt{9\times3}=\sqrt9\times\s... | HuggingFaceTB/finemath | |
Online Tution » Important Question » CBSE Important Questions for Class 10...
# CBSE Important Questions for Class 10 Maths with Answers
## Class 10 Maths Important Questions
Central Board of Secondary Education is all set to conduct CBSE Maths exam on 21st March 2023. As the exam dates are approaching the s... | HuggingFaceTB/finemath | |
My Math Forum Reals
User Name Remember Me? Password
Abstract Algebra Abstract Algebra Math Forum
June 2nd, 2017, 07:20 PM #1 Senior Member Joined: Nov 2015 From: hyderabad Posts: 211 Thanks: 2 Reals Let $R$ be a finite commutative ring with no zero divisors then A) $R$ is a field B) $R$ has unity C) Characterist... | HuggingFaceTB/finemath | |
# Triangle calculator
Enter what you know about the triangle and let the tool calculate the rest.
Side a: Side b: Side c: Angle A: Angle B: Angle C: Height: Perimeter: Area: Isosceles triangle
Note: You can use mathematical expressions.
A triangle is a geometric shape that has three sides and three angles. When cons... | HuggingFaceTB/finemath | |
15 - Probability Matrices
# 15 - Probability Matrices - 1 Math 1b Practical revised...
This preview shows pages 1–2. Sign up to view the full content.
1 Math 1b Practical — February 25, 2011 — revised February 28, 2011 Probability matrices A probability vector is a nonnegative vector whose coordinates sum to 1. A sq... | HuggingFaceTB/finemath | |
# Quantile absolute deviation of the Pareto distribution
Update: this blog post is a part of research that aimed to build a new measure of statistical dispersion called quantile absolute deviation. A preprint with final results is available on arXiv: arXiv:2208.13459 [stat.ME]. Some information in this blog post can b... | open-web-math/open-web-math | |
# Christmas in July Math Problem [Photo by Reenie-Just Reenie.]
In honor of my Google searchers, to demonstrate the power of bar diagrams to model ratio problems, and just because math is fun…
Eccentric Aunt Ethel leaves her Christmas tree up year ’round, but she changes the decorations for each passing season. This ... | HuggingFaceTB/finemath | |
# Tension in the cables
1. Homework Statement
Ok, I've got three cables all pointing in a downward direction towards the orgin. They all connect at the orgin, onto a 750lb weight. Determine the tensions in A,B,C.
I'm going to put these into (x,y,z) form, so you get the picture.
A = (4,-2,5)
B = (-3,-3,6)
C = (-4,3,4... | HuggingFaceTB/finemath | |
## Section Exercises
1. What does it mean when we say that two lines are parallel?
2. What is the relationship between the slopes of perpendicular lines (assuming neither is horizontal nor vertical)?
3. How do we recognize when an equation, for example $y=4x+3$, will be a straight line (linear) when graphed?
4. Wha... | HuggingFaceTB/finemath | |
# How do you write a rule for the nth term of the arithmetic sequence and then find a_10 for -25, -29, -33, -37, -41?
May 12, 2017
nth term = $- 4 n - 21$
10th term = -61
#### Explanation:
nth term = $a + \left(n - 1\right) d$
where a = first term of the sequence and d is the constant added or subtracted between su... | HuggingFaceTB/finemath | |
# §3.5 Quadrature
## §3.5(i) Trapezoidal Rules
The elementary trapezoidal rule is given by
3.5.1 $\int_{a}^{b}f(x)dx=\tfrac{1}{2}h(f(a)+f(b))-\tfrac{1}{12}h^{3}f^{\prime\prime}% (\xi),$ Symbols: $d\NVar{x}$: differential of $x$ and $\int$: integral A&S Ref: 25.4.1 (second relation only) Permalink: http://dlmf.nist.... | HuggingFaceTB/finemath | |
+0
# Find the number of positive integers that are divisors of at least one of 10 10 ,12 12 , and 15 15 .
0
37
3
Find the number of positive integers that are divisors of at least one of 1010,1212 , and 1515.
Nov 3, 2019
#1
0
What are: 1010, 1212, 1515 ??? Are they supposed to be: 10, 12, 15?
Nov 3, 2019
#2
0
... | HuggingFaceTB/finemath | |
Here in this section of Operating System Long Questions and Answers,We have listed out some of the important Long Questions with Answers on Deadlock detection and recovery which will help students to answer it correctly in their University Written Exam.
Lists of Long Descriptive type Questions that may be asked in Wri... | HuggingFaceTB/finemath | |
# Finding the Expectation value for a wave function
I have a question about finding the expectation value. Here's the question:
So I have this wave function $$|πβ©=\frac{\sqrt{6}}{π}\sum_{n=1}^β C_π|nβ©$$
where the eigenvectors |nβ© form an orthonormal basis and:
$$C_n=\frac{(-1)^n}{n}$$
So what I ne... | HuggingFaceTB/finemath | |
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Every Question Helps You Learn
# Practice - Place Value - 04
Hello little geniuses! It's time for some fun maths exercises! Let's see if you can solve this quiz on 'Place Value'. Remember, each digit in a number has a different place value like ones, tens, hundreds and so on. So gear up, think hard and tr... | HuggingFaceTB/finemath | |
47
Q:
# 25% of 25% Is Equal To
A) 0.0625 B) 0.0210 C) 0.03145 D) 0.3210
Explanation:
25% of 25% means
25/100 of 25/100
i.e, 1/4 of 1/4
or in other words 1/4 x 1/4=1/16
Hence, the answer is 1/16 = 0.0625.
Q:
A shopkeeper offers the following 3 schemes. Which scheme has the lowest discount percentage (all arti... | HuggingFaceTB/finemath | |
8488 views
Deriving the indicator:
PAI is an indicator I created that tells you the probability of current price moving a specified ATR distance over a specified number of periods into the future. It takes into account 4 variables: the ATR & the standard deviation of price, and the 2 parameters: ATR distance and # ba... | HuggingFaceTB/finemath | |
# Introduction to Bayesian Inference
Bayesian inference is a powerful toolbox for modeling uncertainty, combining researcher understanding of a problem with data, providing a quantitative measure of how plausible various facts are. This overview from Datascience.com introduces Bayesian probability and inference in an ... | HuggingFaceTB/finemath | |
Electron configuration diagrams are a powerful way to identify a mass of an electron, but they aren’t always accurate.
Here, we’ll explore some common errors in electron configuration diagrams and show you how to fix them.
How mass is determined on the diagram of an atomElectron configuration charts can be useful for... | HuggingFaceTB/finemath | |
# Show $n!<\left(\frac{n}{e}\right)^{n+1}$
What I want to show is $$\left(\frac{n}{e}\right)^{n}
I managed to deal with the first part of inequalities using the Taylor expansion: $$e^n=\frac{1}{0!}n^0+\frac{1}{1!}n^1+\frac{1}{2!}n^2+\dots + \frac{1}{n!}n^n+\dots>\frac{1}{n!}n^n$$
But the second part was not that eas... | HuggingFaceTB/finemath | |
Home > CCA2 > Chapter Ch7 > Lesson 7.2.2 > Problem7-129
7-129.
1. Find an equation for each graph below. Homework Help ✎
2. a. b. c. d.
Use the general equation y = a · sin(xh) + k.
Determine the value for each of the three parameters.
First identify a convenient locator point.
In this case, we will use:
$\left(\... | HuggingFaceTB/finemath | |
Home » Aptitude » Speed, Time and Distance » Question
#### Speed, Time and Distance
1. A man completes 30 km of a journey at 6 km/h and the remaining 40 km of the journey in 5 h. Find the average speed for the whole journey.
1. 64/11 km/h
2. 7 km/h
3. 71/2
4. 8 km/h
##### Correct Option: B
Total distance = 30 + 40 =... | HuggingFaceTB/finemath | |
# Mutual Fund Expense Ratio: Meaning, Formula, Calculation, Example & Importance
A mutual fund expense ratio is a crucial aspect to comprehend when evaluating mutual fund investments. It signifies the proportion of the fund’s assets that are utilized to cover the various costs associated with managing and operating th... | HuggingFaceTB/finemath | |
# Jack has 10 whole pizzas, and he divides each pizza into 8 equal parts. He then puts equal number of parts in 4 boxes. How many whole pizzas do each box have?
$2$ whole pizzas plus 4 slices in each box.
Each pizza is divided into $8$ slices so you get (for $10$ pizzas):
$8 \cdot 10 = 80$ slices:
In $4$ boxes you can... | HuggingFaceTB/finemath | |
0
# How do you find the area of a regular pyramid?
Updated: 9/17/2023
Wiki User
10y ago
For a regular pyramid, the surface area (SA) is the following:
SA= Area of Base + 1/2 [Perimeter x Side Length]
As you know, the area of the base is the flat part of the pyramid which points the vertical lines to one point: a... | HuggingFaceTB/finemath | |
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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## #1 2017-01-09 12:48:12
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Posts: 20
### Multivariable Polynomials
1) If (x,y) satisfies the simultaneous equations
and
, where x and y may ... | HuggingFaceTB/finemath | |
# Areas and perimeters
AREAS
· Square:
· Rectangle:
A = b·h = w·l
· Triangle:
· Parallelogram:
A = b·h
· Rhombus:
· Trapezium:
· Other polygons:
· Circle: A = π·r2
· Circumference: L = 2·π·r
PERIMETERS
The perimeter of a polygon is the distance around the outside of a shape.
For example:
- Square: P = 4... | HuggingFaceTB/finemath | |
# How do you simplify (g^2/h)/(g^5/h^2)?
Mar 19, 2017
$\frac{\frac{{g}^{2}}{h}}{\frac{{g}^{5}}{{h}^{2}}} = \textcolor{g r e e n}{\frac{h}{{g}^{3}}}$
#### Explanation:
Division is equivalent to multiplication by the (multiplicative) inverse.
So $\frac{\frac{{g}^{2}}{h}}{\frac{{g}^{5}}{{h}^{2}}}$
is equivalent to $... | HuggingFaceTB/finemath | |
# Bit Hacks – Part 5 (Find absolute value of an integer without branching)
Given an integer, compute its absolute value (abs) without branching
We can use the expression ((n + mask) ^ mask) where mask is (n >> 31) (assuming 32 bit storage for integers) to compute the absolute value of n. The mask (n >> 31) will be ev... | HuggingFaceTB/finemath |
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