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How is it possible that the sound waves themselves are not heard when making an echo (by the fetus), but the pulses do?
If a woman is pregnant an echo can be made using a frequency of 1 to 10 Mhz. These sounds we can not hear. Now, a pulse is sent each 110 microsecond with the so said frequency. Now it turns out that ... | HuggingFaceTB/finemath | |
Today we will understand here the basic concept of differential manometer to measure the difference of pressure between two points in the fluid, in the subject of fluid mechanics, with the help of this post.
### Differential manometer
Differential manometer is also one type of pressure measuring device which is basic... | HuggingFaceTB/finemath | |
# Bayesian billiards
06 December 2020 — Written by Tom
In his seminal paper "An Essay towards solving a Problem in the Doctrine of Chances", Thomas Bayes introduced a thought experiment involving six balls thrown randomly onto a billiards table. This example is often used in popular science as an introduction to the ... | open-web-math/open-web-math | |
It is currently 23 Jun 2017, 05:50
### 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 | |
Proving altitude and side inequalities
In an acute-angled triangle ABC, AB < AC, BD and CE are the altitudes. Prove that $AB^2 + CE^2 < AC^2 + BD^2$
and
$AB^n + CE^n < AC^n + BD^n$ for positive integers n
I have already found BD < CE and AD < AE but cannot seem to find more information. I already tried using the py... | HuggingFaceTB/finemath | |
History of Mathematics
Homework Assignment 3
Prepared by:
Joseph Malkevitch
Department of Mathematics and Computer Studies
York College (CUNY)
Jamaica, New York 11451
1. Examine the equation for real roots using Descartes Rule of signs, and also see if it has any rational roots
(a)
(b)
(c)
Note: it is helpful t... | HuggingFaceTB/finemath | |
# Probability that p and q are both prime provided q-p=2r
Hello,
I would like to know whether there is a way, thanks to the prime number theorem, to give some kind of an equivalent of the probability that two positive integers $p$ and $q$ less than a given positive integer $n$ are both prime if one knows that $q-p=2r... | HuggingFaceTB/finemath | |
Subscribe to our Youtube Channel - https://you.tube/teachoo
1. Chapter 7 Class 6 Fractions
2. Serial order wise
3. Ex 7.4
Transcript
Ex 7.4 ,6 The following fractions represent just three different numbers. Separate them into three groups of equivalent fractions, by changing each one to its simplest for... | HuggingFaceTB/finemath | |
## 6.EE.B.8 Understand, write, and represent inequalities of the form x > c or x < c, and recognize that they have infinitely many solutions
Posted: January 26, 2015 in Advance
Write an inequality of the form x > c or x < c to represent a constraint or condition in a real-world or mathematical problem. Recognize that... | HuggingFaceTB/finemath | |
# solve
posted by .
e^c-2c = e-2
what is c?
ummm, 1?
e^1 = e
2*1 = 2
How do I get this?
c = 1 is one solution. To find the other, you can proceed as follows.
e^c-2c - e + 2 = 0
put f(c) = e^c-2c - e + 2
Newton's Method (approximate functon by the tangent) gives succesive better and better approximations.
c_{n... | HuggingFaceTB/finemath | |
# Numbers Explained - Mersenne Primes, Perfect Numbers
Related Topics:
More Math Trivia
Math Worksheets
Mersenne Primes
French monk and math enthusiast Marin Mersenne (1588-1648) was playing around with powers of two and found an interesting possible source of prime numbers from them. The primes that appear from hi... | HuggingFaceTB/finemath | |
# What does capacity mean ks1?
## What does capacity mean ks1?
the amount something can hold
Capacity is the amount something can hold. We can use capacity to describe when something is full, half full and empty.
## What is the difference between volume and capacity ks1?
Volume is the amount of space a 3D shape tak... | HuggingFaceTB/finemath | |
# Prime Numbers
## Is number 945 a prime number?
Number 945 is not a prime number. It is a composite number.
A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. We do not consider 945 as a prime number, because it can be written as a product of two smaller natural ... | HuggingFaceTB/finemath | |
# How can we make the energy levels of an one-dimensional infinite square well potential equispaced?
We know that the energy values for an one-dimensional infinite square well potential is given by $$E_n = \frac{n^2{\pi}^2{\hbar}^2}{2ma^2}$$ where $$a$$ is the width of the well. Now, as we can see that the difference ... | HuggingFaceTB/finemath | |
# GSEB Solutions Class 8 Maths Chapter 4 Practical Geometry Ex 4.5
Gujarat Board GSEB Textbook Solutions Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 Textbook Questions and Answers.
## Gujarat Board Textbook Solutions Class 8 Maths Chapter 4 Practical Geometry Ex 4.5
Question 1.
Draw the following.
1. The squa... | HuggingFaceTB/finemath | |
scroll identifier for mobile
main-content
This book discusses the processing and properties of silicene, including the historical and theoretical background of silicene, theoretical predictions, the synthesis and experimental properties of silicene and the potential applications and further developments. It also prese... | open-web-math/open-web-math | |
# Thread: Increasing function, partial derivatives
1. ## Increasing function, partial derivatives
I must say the veracity of the following statement : If $f:\mathbb{R}^2 \to \mathbb{R}$ differentiable such that $f_x(x,y)>0$ and $f_y(x,y)>0 \forall (x,y) \in \mathbb{R}^2$, then $g(t)=f(t,t^3)$ is an increasing functio... | HuggingFaceTB/finemath | |
# How can I use Kepler's law of harmonies to predict the time Mars takes to orbit the sun?
May 22, 2018
$\approx 1.87$ years
#### Explanation:
Kepler's law of harmonies (also known as Kepler's third law) states that the orbital time period $T$ is related to the mean distance $R$ from the sun by
${T}^{2} \propto {R... | HuggingFaceTB/finemath | |
# Blog
### geometric sequence illustration
On January 1, Abby’s troop sold three boxes of Girl Scout cookies online. 481 604 41. Example. What is the fourth term of the geometric sequence whose second term is –6 and whose fifth term is 0.75? This video gives examples of population growth and compound interest. Color ... | HuggingFaceTB/finemath | |
# Using Natural Transformations: Recreating Closed Cartesian Categories
Today's contribution on category theory is going to be short and sweet. It's an example of why we really care about [natural transformations][nt]. Remember the trouble we went through working up to define [cartesian categories and cartesian closed... | HuggingFaceTB/finemath | |
# How do you combine 3+sqrt3+sqrt5?
Jul 24, 2018
$3 + \sqrt{3} + \sqrt{5} \approx 6.9681188$
#### Explanation:
As there is nothing common between the three, you cannot combine them except by converting them into decimals.
Hence $3 + \sqrt{3} + \sqrt{5}$
$\approx 3 + 1.7320508 + 2.2360680$
= $6.9681188$
Since bo... | HuggingFaceTB/finemath | |
# Search by Topic
#### Resources tagged with Circles similar to 3x3 Areas:
Filter by: Content type:
Stage:
Challenge level:
##### Other tags that relate to 3x3 Areas
Area. Visualising. Pythagoras' theorem. smartphone. Circles.
### There are 40 results
Broad Topics > 2D Geometry, Shape and Space > Circles
### F'ar... | HuggingFaceTB/finemath | |
# Apothem
Written by Jerry Ratzlaff on . Posted in Geometry
• Apothem is the length of a line perpendicular from the center to the midpoint of the side of a regular polygon.
• A irregular polygon has no center so there can be no apothem.
$$A= r cos {\left( \frac {180} {n} \right)}$$
Where:
$$A$$ = apothem
$$r$$ =... | HuggingFaceTB/finemath | |
0
# What numbers are The union of the rational and irrational numbers?
Updated: 4/28/2022
Wiki User
13y ago
The real numbers.
Wiki User
13y ago
Anonymous
Lvl 1
3y ago
The union of the sets of rational and irrational number form the set
Earn +20 pts
Q: What numbers are The union of the rational and irrational... | HuggingFaceTB/finemath | |
Name: ___________________Date:___________________
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!
### Grade 8 - Mathematics7.8 Multiplication of Two Binomials - Using a Table
Example: Find the product of (x-4) and (3x+2).
Solution:
1. Write subtraction as addition i... | HuggingFaceTB/finemath | |
×
×
# Solutions for Chapter 8: Linear Transformation
## Full solutions for Elementary Linear Algebra: Applications Version | 10th Edition
ISBN: 9780470432051
Solutions for Chapter 8: Linear Transformation
Solutions for Chapter 8
4 5 0 429 Reviews
17
2
##### ISBN: 9780470432051
Chapter 8: Linear Transformation inc... | HuggingFaceTB/finemath | |
# Simple Probability Equation
1. Nov 11, 2009
### tntcoder
Hi,
Please can someone explain to me how this probability equation evaluates to 0.5
$$\frac{2^{f(n)+2}}{2^{f(n)+1}} = \frac{1}{2}$$
f(n) is essentially anything in this context.
For me the probability evaluates to 2, but this is straight out a research p... | HuggingFaceTB/finemath | |
Preparing your student for the 8th Grade MEAP Math test? To succeed on the MEAP Math test, students need to practice as many real MEAP Math questions as possible. There’s nothing like working on MEAP Math sample questions to measure your student’s exam readiness and put him/her more at ease when taking the MEAP Math ... | HuggingFaceTB/finemath | |
# 2.10: Looping Structures -- Nested Loops
$$\newcommand{\vecs}{\overset { \rightharpoonup} {\mathbf{#1}} }$$ $$\newcommand{\vecd}{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}}$$$$\newcommand{\id}{\mathrm{id}}$$ $$\newcommand{\Span}{\mathrm{span}}$$ $$\newcommand{\kernel}{\mathrm{null}\,}$$ $$\newcommand{\... | HuggingFaceTB/finemath | |
# Subtraction Fact Strategies
## Count Back Facts
There are 27 Count Backs facts with -1. -2. and -3.
When counting back emphasize the first number, pause, then continue counting down.
Example: 11 – 3: say, “11, pause, 10, 9, 8.”
## 10 Facts
Subtracting from 10, students use their knowledge of 10 frame addition... | HuggingFaceTB/finemath | |
people confused, actually let me do it in this color-- like we have a local minimum. So let's call this x sub 3. If you're seeing this message, it means we're having trouble loading external resources on our website. Given a function f (x), a critical point of the function is a value x such that f' (x)=0. The interval ... | HuggingFaceTB/finemath | |
# Incenter
In geometry, the incenter of a triangle is a triangle center, a point defined for any triangle in a way that is independent of the triangle's placement or scale. The incenter may be equivalently defined as the point where the internal angle bisectors of the triangle cross, as the point equidistant from the ... | HuggingFaceTB/finemath | |
# Forces And Newton's Law Review Quiz
### Description
The quiz and the flashcards are based off of the worksheet that my teacher handed out to everybody in my class. If you are having a quiz on this than feel free to use this. Also, not all of the questions are on here.
Quiz by Kristen Steiner, updated more than 1 ye... | HuggingFaceTB/finemath | |
# Finite abelian group generated by two elements
Let $G$ be a finite abelian group generated by two elements $a$ and $b$. I am trying to prove that $G$ is isomorphic to the direct product of two cyclic group $C_r$ and $C_s$, where the value of $r$ and $s$ depend on $|a|$, $|b|, d = |\langle a \rangle \cap \langle b \r... | HuggingFaceTB/finemath | |
# rounding
### Rick sold a total of 75 books during the first 22 days of May. If he continues to sell books at the
Rick sold a total of 75 books during the first 22 days of May. If he continues to sell books at the same rate, how many books will he sell during...
Thread by: math_celebrity, Jan 30, 2023, 0 replies, in... | HuggingFaceTB/finemath | |
### Pythagoras' Theorem
#### Definition
Pythagoras' Theorem relates the lengths of the sides in a right-angled triangle: $\qquad\qquad\qquad c^2 = a^2 + b^2$
The long side is called the hypotenuse.
#### Worked Examples
###### Example 1
The two shortest sides of a right angle triangle are $5$ and $2$. Find the len... | HuggingFaceTB/finemath | |
# A math question for all you engineers out there..
#### naaman
##### So... I've been wondering:
How do I calculate the amount of power required for a person to do a push up?
Taking into consideration weight, height, arm-length etc. And, of course, over time, how do I calculate the power involved in a given number ... | HuggingFaceTB/finemath | |
# Mathematical Operations Quiz – Verbal Reasoning Questions And Answers
Candidates who are preparing for the Competitive examinations they can check out the Questions along with Answers for Mathematical Operation which are given below in the form of Quiz. This Quiz consists of each and every Question with an accurate ... | HuggingFaceTB/finemath | |
kmmiles.com
# 2010.1 km in miles
## Result
2010.1 km equals 1248.2721 miles
You can also convert 2010.1 miles to km.
## Conversion formula
Multiply the amount of km by the conversion factor to get the result in miles:
2010.1 km × 0.621 = 1248.2721 mi
## How to convert 2010.1 km to miles?
The conversion factor ... | HuggingFaceTB/finemath | |
# How do you find the missing side b given 5in 15in using the pythagorean theorem?
Feb 7, 2017
See the entire solution process below:
#### Explanation:
The Pythagorean Theorem states:
${a}^{2} + {b}^{2} = {c}^{2}$
Where:
$a$ and $b$ are sides of the triangle and $c$ is the hypotenuse.
In this problem we will be... | HuggingFaceTB/finemath | |
# Search by Topic
#### Resources tagged with Spreadsheets similar to KS3 Percentages:
Filter by: Content type:
Stage:
Challenge level:
### Time of Birth
##### Stage: 3 Challenge Level:
A woman was born in a year that was a square number, lived a square number of years and died in a year that was also a square numb... | HuggingFaceTB/finemath | |
# CAT2019-2: 74
128 views
A cyclist leaves $A$ at $10$ am and reaches $B$ at $11$ am. Starting from $10:01$ am, every minute a motor cycle leaves $A$ and moves towards $B$. Forty-five such motor cycles reach $B$ by $11$ am. All motor cycles have the same speed. If the cyclist had doubled his speed, how many motor cyc... | HuggingFaceTB/finemath | |
Home » 2012 » July (Page 2)
# Monthly Archives: July 2012
## Strength of a cable and number of strands
Is the strength of a single strand of a steel cable proportionate to the entire cable? meaning if lets say a cable was made up of 100 strands and could lift a hundred pounds, would each thread be able to lift a pou... | HuggingFaceTB/finemath | |
Commutator algebra in exponents
Considering $X$ and $Y$ such that $[X,Y]=\lambda$, which is complex, and $\mu$ is another complex number, prove: $$e^{\mu(X+Y)}=e^{\mu X} e^{\mu Y} e^{-\mu^2\lambda/2}$$ My attempt (so far) is: Expand the exponent. $$\mu(X+Y)=\mu X+ \mu Y$$ and then split it. How can I introduce $\lambd... | HuggingFaceTB/finemath | |
SBI PO Previous Year Papers
SBI PO Previous Year Papers for 2021, 2020, 2019, 2018, 2017 is given on this page. Preparing candidates for Prelims or Mains Examination can check given SBI Bank PO Previous Year Solved Question Papers/ SBI PO Model Papers through this page. Participants must do practice from SBI PO Questi... | HuggingFaceTB/finemath | |
# Polar Equations
(Difference between revisions)
Revision as of 14:59, 11 July 2011 (edit)← Previous diff Revision as of 15:25, 11 July 2011 (edit) (undo)Next diff → Line 25: Line 25: '''Limaçon''' Weisstein, Eric W. (2011). http://mathworld.wolfram.com/Limacon.html. Wolfram:MathWorld.
'''Limaçon''' Weisstein, Eric W... | HuggingFaceTB/finemath | |
# Difference between revisions of "2008 AMC 12B Problems/Problem 23"
## Problem 23
The sum of the base-$10$ logarithms of the divisors of $10^n$ is $792$. What is $n$?
$\text{(A)}\ 11\qquad \text{(B)}\ 12\qquad \text{(C)}\ 13\qquad \text{(D)}\ 14\qquad \text{(E)}\ 15$
## Solutions
### Solution 1
Every factor of $... | HuggingFaceTB/finemath | |
Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!
This is an AMP page - Open full page! for all features.
• the most efficient way to navigate the Engineering ToolBox!
# Earth Pressure Acting on Basement Walls
### 1st Floor above Ground Level
The for... | HuggingFaceTB/finemath | |
# continuity
• Jul 23rd 2009, 11:55 AM
gokole
continuity
Please could you help me guys. My professor gave me the following question and I don't know how to demonstrate the $\displaystyle \epsilon$ and $\displaystyle \delta_\epsilon$ in this question.
Question. if you have $\displaystyle f$ is a measurable real-valued... | HuggingFaceTB/finemath | |
# Elementary Mathematics Past Papers
OBJECTIVE]
Subject: Elementary Mathematics-I (Algebra)
Time Allowed: 15 Minutes
Max Marks: 10
NOTE: Attempt this Paper on this Question Sheet only. Please encircle the correct option. Division of marks is given in front of each question. This Paper will be collected back after ... | HuggingFaceTB/finemath | |
Contents of the Article
## What is construction rate analysis?
The calculation of rate (cost) per unit of any construction work is known as Rate Analysis.
It includes the quantity & cost of required materials, labour charges and other petty expenses. The analysis depends on the scope of work.
You can calculate the ... | HuggingFaceTB/finemath | |
# What does measures of dispersion mean in psychology?
## What does measures of dispersion mean in psychology?
The dispersion measures the level of spread or variability in a data set, and is sometimes referred to as the scale. The most common measures are as follows: Range. The range is the difference between the hi... | HuggingFaceTB/finemath | |
+0
# Solve for $a$:
0
329
1
+598
Solve for $a$: $$\sqrt{4+\sqrt{16+16a}}+ \sqrt{1+\sqrt{1+a}} = 6$$
Sep 17, 2017
#1
+96244
+1
Note that
√[ 4 + √ [16 + 16a] ] can be written as
√[ 4 + 4√ [1 + a] ] =
2 √[ 1+ √ [1 + a] ]
Let this = 2x
So we have
2x + x = 6
3x = 6
x = 2
So...
√[ 1+ √ [1 + a... | HuggingFaceTB/finemath | |
[Lab 4, CS206: Data Structures, Bryn Mawr College. In the following cell, give a hash title and by-line. Then you can remove this cell. This lab is due in one week.]
# BinaryTrees and Sorting¶
This lab will explore searching binary trees and sorting arrays of integers.
1. In the last lab, you wrote a sorted binary t... | HuggingFaceTB/finemath | |
Question
Thu September 03, 2009
# A.P.
Thu September 03, 2009
Sm = m(2a+(m-1)d)/2 = n
2a+(m-1)d = 2n/m........(1)
Sn = n(2a+(n-1)d)/2 = m
2a+(n-1)d = 2m/n.........(2)
(1) - (2) gives,
(m-1)d - (n-1)d = 2n/m - 2m/n
(m-n)d = 2(n2-m2)/mn
d = -2(m+n)/mn
Sm+n = (m+n)(2a+(m+n-1)d)/2
= m(a+(m+n-1)d)/2 + n(a+(m+n-... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## What is 69 percent of 6825?
69% of 6825 is 4709.25
#### Working out 69% of 6825
1. Write 69% as 69/100
2. Since, finding the fraction of a number is same as multiplying the fraction with the number, we have
69/100 of 6825 = 69/100 × 6825
3. Therefore, the answer is 4709.25
I... | HuggingFaceTB/finemath | |
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# Calculate the GCD | Euclidean algorithm | c and cpp programming language
The G.C.D. (Greatest Common Divisor) or H.C.F (Highest Common Factor) of number is the largest positive integer that perfectly divides the two given number.
gcd(m,n) is designed as the most comm... | HuggingFaceTB/finemath | |
+0
# Calculate
0
582
4
A GPS satellite develops a fault whereby it moves into an orbit 19 800 km above the Earth’s surface and also emits a weak signal whose power is only 20 W. What will be the power per square metre of the signal received on the Earth’s surface?
physics
Guest Nov 11, 2015
edited by Guest Nov 11,... | HuggingFaceTB/finemath | |
# Mean value integral of a harmonic function in the exterior of a ball
Let $\Omega =\mathbb{R}^d \setminus \overline{B(0,1)}$. Suppose $u \in C^2(\Omega;\mathbb{R})$ ) is a harmonic function. Prove that, for every $x \in \mathbb{R}^d$ , the function $\phi: (|x| + 1, \infty) \to\mathbb{R}$ given by,
$$\phi(r) = \frac{... | HuggingFaceTB/finemath | |
Symmetry is an important idea in maths and science.
When a shape is exactly the same on both sides, as if it were reflected in a mirror along a line, it is said to have symmetry. Some examples of regular polygons that have symmetry are a square, a circle and an equilateral triangle.
Choose a section:
Teaching Ideas |... | HuggingFaceTB/finemath | |
# Search by Topic
#### Resources tagged with Number theory similar to Mod 3:
Filter by: Content type:
Stage:
Challenge level:
### There are 22 results
Broad Topics > Numbers and the Number System > Number theory
### Always Perfect
##### Stage: 4 Challenge Level:
Show that if you add 1 to the product of four cons... | HuggingFaceTB/finemath | |
# How to Determine the Percentage Increase With a Relative Rate of Change
by Tim Plaehn
When looking at investment results, it is often better to convert value changes to percentages. The percentage change shows how much an investment gained or lost relative to the initial investment costs. The conversion of value ch... | HuggingFaceTB/finemath | |
# What is the compound interest on $65946 at 35% over 29 years? If you want to invest$65,946 over 29 years, and you expect it will earn 35.00% in annual interest, your investment will have grown to become $397,070,611.42. If you're on this page, you probably already know what compound interest is and how a sum of money... | HuggingFaceTB/finemath | |
# Planimetrics - math word problems
Study plane measurements, including angles, distances, and areas. In other words - measurement and calculation of shapes in the plane. Perimeter and area of plane shapes.
#### Number of problems found: 2136
• Rectangular trapezium
Calculate the perimeter of a rectangular trapezium... | HuggingFaceTB/finemath | |
# Quick Answer: What Are Other Names For Roots In Math?
## What is another name for roots in math?
In mathematics, a zero (also sometimes called a root) of a real-, complex-, or generally vector-valued function , is a member of the domain of such that vanishes at ; that is, the function attains the value of 0 at , or... | HuggingFaceTB/finemath | |
Courses
# Test: Current Electricity Level - 1
## 30 Questions MCQ Test Exclusive Video Lectures of Class 12 Physics by Experts | Test: Current Electricity Level - 1
Description
This mock test of Test: Current Electricity Level - 1 for Class 12 helps you for every Class 12 entrance exam. This contains 30 Multiple Cho... | HuggingFaceTB/finemath | |
# Two vectors of equal magnitude when added gave a resultant equal to the either vector. what is the angle between them:
This question was previously asked in
PTCUL AE E&M 2017 Official Paper (Set B)
View all PTCUL AE Papers >
1. 30°
2. 45°
3. 120°
4. None of these
Option 3 : 120°
## Detailed Solution
CONCEPT:
Law... | HuggingFaceTB/finemath | |
# Summation problem: $f(x)=1+\sum_{n=1}^{\infty}\frac{x^n}{n}$
I want to evaluate this summation:
$$S=1+x+\frac{x^2}{2}+\frac{x^3}{3}+\frac{x^4}{4}+...+...$$
where, $|x|<1$
Here it is my approach
$$S=1+\sum_{n=1}^{\infty}\frac{x^n}{n}=f(x)$$
$$f'(x)=1+x+x^2+x^3+...+...=\frac{1}{1-x}$$
$$f(x)=\int f'(x)dx=\int \f... | HuggingFaceTB/finemath | |
Joseph: Health insurance premiums are growing at an alarming : GMAT Critical Reasoning (CR)
Check GMAT Club App Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack
It is currently 07 Dec 2016, 08:37
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your pe... | open-web-math/open-web-math | |
# Solving Word Problems With Equations
• May 19th 2010, 08:47 AM
larry21
Solving Word Problems With Equations
Determine the following numbers.
Two consecutive integers with half of the small equal to 4 more than one third of the larger.
My work:
Let the value of 1st integer be x(1/2)
Let the value of 2nd integer be... | HuggingFaceTB/finemath | |
# Symbols Are an LSAT Taker's Best Friend
It's really important to know how to diagram sufficient and necessary statements (i.e. formal logic statements). This will be helpful for both the Logical Reasoning section and the Logic Games section. There are two parts to a formal logic statement: the sufficient condition ... | HuggingFaceTB/finemath | |
# KS2
I have been working on some problems to use with KS2 or KS3 that involve Number and number properties. I used the problems with a KS3 class today and I was quite pleased at the discussions students had. I gave them this task first. The students were given time to discuss and many used whiteboards and trial and e... | HuggingFaceTB/finemath | |
# SET
Players: 2 or more
Ages: 5 and up
Math Ideas: Classification, pattern recognition, justification
What about these three cards is alike? What is different?
What card would complete the set with these two cards?
SET is a family favorite for me because it is equally challenging for young kids, teenagers, and adult... | HuggingFaceTB/finemath | |
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# Benchmark Numbers in Maths: An Effective Mathematics Tool to Compare or Measure Numbers ## What Does Benchmark Mean in Maths?
In Mathematics, a benchmark can be defined as a standard or reference against which something can be measured, compar... | HuggingFaceTB/finemath | |
## Calculus: Early Transcendentals (2nd Edition)
Published by Pearson
# Chapter 3 - Derivatives - 3.4 The Product and Quotient Rules - 3.4 Exercises: 14
#### Answer
$4e^t\left(\sqrt{t}+\frac{1}{2\sqrt{t}}\right)$
#### Work Step by Step
We are trying to find $\frac{d}{dt}4e^t\sqrt{t}$. Use the Product Rule, $\frac... | HuggingFaceTB/finemath | |
## Basic College Mathematics (10th Edition)
Since multiplication and division are at the same level according to the order of operations, after finding the square root and exponent, the problem is solved from left to right like a normal problem is. 1. $\sqrt 121=11$ and $2^{3}=8$ 2. $88\div11\times8=64$ | HuggingFaceTB/finemath | |
### Get all 1000+ ASVAB exam-like questions with our mobile apps!
A cylinder whose height is 8 cm has a volume of $$128πcm^3$$. If its radius is doubled and its height is cut in half, the volume of the resulting cylinder is _________.
Detailed Explanation
The volume of a cylinder is $$πr^2h$$.
In the original cylinder... | HuggingFaceTB/finemath | |
# How to calculate point price elasticity of demand
Point elasticity is the price elasticity of demand at a specific point on the demand curve instead of over a range of the demand curve. It uses the same formula as. Point elasticity is the price elasticity of demand at a specific point on the demand curve To get poin... | HuggingFaceTB/finemath | |
# Angular momentum problem
rtsswmdktbmhw
## Homework Statement
At time t, particle with mass m has displacement ##\vec r (t)## relative to origin O. Write a formula for its angular momentum about O and discuss whether this depends on choice of origin.
The second part is what I'm more unsure of.
## The Attempt at a... | HuggingFaceTB/finemath | |
###### Norm Prokup
Cornell University
PhD. in Mathematics
Norm was 4th at the 2004 USA Weightlifting Nationals! He still trains and competes occasionally, despite his busy schedule.
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# Definite Integrals As Net Change - Conce... | HuggingFaceTB/finemath | |
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# Faculty of Civil & Environmental Engineering
## Subject: Geotechnics I (BFC 21702)
Tutorial: CHAPTER 4 & 5 (Permeability and stress in soil)
1. The results of a constant-head permeability test for a fine sand sample having a diameter
of 150 mm and a length of 300 mm are as follows:
Water col... | HuggingFaceTB/finemath | |
# pre calculus
posted by maxine
Question 1: Explain why the equation of the line y=5 has a slope that is undefined. Explain in words or mathematically.
Question 2: Given any circle, the coordinates of one endpoint of a diameter is (3,-2). If the coordinates of the center are (2,-4), find the coordinates for the othe... | HuggingFaceTB/finemath | |
## More Questions on This Topic :
Question 1. A train running at a speed of 54 km/hr crosses a platform in 30 seconds. The platform is renovated and its length is doubled. Now, the same train running at same speed crosses the platform in 46 seconds. Find the length of the train.
1. 180 metres
2. 200 metres
3. ... | HuggingFaceTB/finemath | |
# Trick 2.0
• This post is deleted!
• [Originally posted in Discussions]
I was taught a trick for finding least common multiple that legitimately works for all numbers. The way you do this is you prime factorize. But with both numbers, starting from the smallest prime number there is. What this means is that when yo... | HuggingFaceTB/finemath | |
posted by on .
(b^2-10b+21)/(b^2-11b+28)
I need help trying to figure out how to factor each quantity or parentheses.
and then simplifying it.
• 8th Grade Algebra - ,
For (b^2-10b+21), start with listing the factors that multiply to give 21.
1,21
3,7
7,3
21,1
As 21 is positive and -10b is negative, you will find t... | HuggingFaceTB/finemath | |
# Kinematic -- If object in 5th and 6th sec passes 20
1. Jul 20, 2014
### alexstrasuz
1. The problem statement, all variables and given/known data
Object from state of inaction starts to move with equal acceleration. If objec in 5th and 6th sec passes 20, whats acceleration.
2. Relevant equations
s=v0*t+a*t*t/2 v0=... | HuggingFaceTB/finemath | |
Students can Download Tamil Nadu 11th Maths Model Question Paper 1 English Medium Pdf, Tamil Nadu 11th Maths Model Question Papers helps you to revise the complete Tamilnadu State Board New Syllabus, helps students complete homework assignments and to score high marks in board exams.
## TN State Board 11th Maths Model... | HuggingFaceTB/finemath | |
Mathematics » Equations and Inequalities » Simultaneous Equations Continued
# Solving by Elimination II
## Solving by Elimination
• Make one of the variables the subject of both equations.
• Equate the two equations; by doing this we reduce the number of equations and the number of variables by one.
• We now have ... | HuggingFaceTB/finemath | |
Home » How Many Minutes In Three Hours? New Update
# How Many Minutes In Three Hours? New Update
Let’s discuss the question: how many minutes in three hours. We summarize all relevant answers in section Q&A of website Mytholi.com in category: Blog Finance For You. See more related questions in the comments below.
##... | HuggingFaceTB/finemath | |
# Science vs Vegans
One of my favourite podcasts just did an episode on veganism, and its great. Science Vs tackled three questions:
• Is going vegan better for the environment?
• Do you need milk for strong bones?
• If you don’t eat any meat at all, is it bad for you?
Listen here or wherever you get podcasts.
And ... | HuggingFaceTB/finemath | |
# Convert number: 291,081 in Roman numerals, how to write?
## Latest conversions of Arabic numbers to Roman numerals
291,081 = (C)(C)(X)(C)MLXXXI Apr 21 07:02 UTC (GMT) 30,900 = (X)(X)(X)CM Apr 21 07:02 UTC (GMT) 1,282,016 = (M)(C)(C)(L)(X)(X)(X)MMXVI Apr 21 07:02 UTC (GMT) 7,555 = (V)MMDLV Apr 21 07:01 UTC (GMT) 1,... | HuggingFaceTB/finemath | |
# Why is force a vector? (The Feynman Lectures)
A vector is a quantity that transforms just the way the coordinates transform under rotation (while a scalar remains invariant under rotation).
In FLP, he says suppose $F$ is a vector and probably later wanted to expound on why $F$ is a vector but I think he forgets to ... | open-web-math/open-web-math | |
# Interactive video lesson plan for: Quadrilaterals | Properties of Parallelogram and their application to solve problems
#### Activity overview:
Quadrilaterals | Properties of Parallelogram and their application to solve problems
http://www.learncbse.in/ncert-solutions-for-class-9-maths/
A quadrilateral has four si... | HuggingFaceTB/finemath | |
# Euclidean algorithm
#### Euclidean algorithm for finding the greatest common divisor (GCD) of two numbers.
The GCD of two numbers is the largest number that divides both the numbers without leaving a remainder (i.e the remainder is 0).
This idea behind this algorithm is the fact that the GCD of two numbers remains ... | HuggingFaceTB/finemath | |
# Calc 1
The point (1,0) lies on the curve y=sin(10π/x).
A) if Q is the point (x,sin(10π/x), find the slope of the secant line PQ.
Points are 2,1.5,1.4,1.3,1.2,1.1,0.5,0.6,0.7,0.8,0.9
Do slopes appear to be approaching a limit?
There is no 10π/x on the unit circle..... So would you put it in this format?
2, 10π/2?
... | HuggingFaceTB/finemath | |
# What is the Moment of Inertia for a Door Rotating Around a Vertical Axis?
• JMUkid
In summary, the problem involves finding the moment of inertia of a 32kg door with a width of 107 cm, rotating around a vertical axis 10 cm inside the door. Using the parallel axis theorem, the moment of inertia is calculated by addin... | 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 \|}$$ $$\ne... | HuggingFaceTB/finemath | |
Chinese Journal of Chemical Physics 2017, Vol. 30 Issue (6): 671-677
#### The article information
Junjun Tan, Yi Luo, Shuji Ye
A Highly Sensitive Femtosecond Time-Resolved Sum Frequency Generation Vibrational Spectroscopy System with Simultaneous Measurement of Multiple Polarization Combinations
Chinese Journal of... | open-web-math/open-web-math | |
# graphing imaginary numbers
• Aug 9th 2010, 02:19 PM
holly47
graphing imaginary numbers
ok. My teacher wants our class to graph (*being sq root) f(x)=*x . And we have to have some negatives. which means there will be imaginary numbers. so how do you graph those?
• Aug 9th 2010, 02:25 PM
pickslides
Graphing complex nu... | HuggingFaceTB/finemath | |
What Are The Objectives Of Regression Analysis?
Which regression model is best?
Statistical Methods for Finding the Best Regression ModelAdjusted R-squared and Predicted R-squared: Generally, you choose the models that have higher adjusted and predicted R-squared values.
P-values for the predictors: In regression, l... | HuggingFaceTB/finemath |
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