Mathematics Stack Exchange
Mathematics Stack Exchange

Questions tagged [education]

For math questions related to the teaching and learning of mathematics. Note that Mathematics Educators Stack Exchange may be a better home for narrowly scoped questions on specific issues in mathematics education.

This tag is for questions that are primarily about mathematics, but are related to mathematics education. Also consider using the or the tag. On the other hand, questions that are primarily about teaching and learning mathematics would be a better fit for MathEducators.SE.

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Is this Applied Mathematics?

I wanted to learn Applied mathematics, mostly due to it being similar to or having relation to Object Orientated Programming (OOP), and thought it would help alot. I searched all over the internet. (at least 1-2 hours of searching), couldn't find…
Leigh
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Adding a variable in an equation

Recently while doing some math problems, me and my friend came up with some equations. I forgot what the real problem was, but lets say for a moment the equation was more like this: $\omega = \psi + 1$ Let just say we need to solve this equation and…
rndflas
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Condition for Rectangle and Square to have the same area

Prove that if a rectangle and a square has the same area if and only if the length of the square is the geometric mean of the side length of the rectangle. I'm not sure how to start this problem. I tried cutting them into triangle without any…
Truong Hung
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Scale Factor meaning

I need to do this fast because tomorrow I got math exam and suddenly my friend said that scale factor is tested (Basic ones)None of my friend understands...But my question is 1.If I were to get a scale of $x:y$,will my scale factor be $\frac{x}{y}$…
ministic2001
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Get an alternate form of an equation

I am trying to prove the following limit value: $$\lim_{n\to \infty} \frac{n^3 + 1}{n^2 +1} = \infty$$ But how does $$\frac{n^3 + 1}{n^2 +1}$$ become this $n + \frac{1 - n}{n^2 +1}$?
Andri Heiðberg
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Pursuing Maths after Majoring in Engineering

I will be graduating this summer with an undergraduate degree in Mechanical Engineering. I want to pursue my interest in the field of mathematics. If anyone can provide guidance on how to go about it? Also is it possible if I want to get a Bachelors…
Gaurav Prabhudesai
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Finding extrema of a cubic equation

I'm brushing up on my calculus and working through Dennis Zill's Calculus w. Analytic Geometry. Problem #39 in section 4.7 describes two light sources and gives the illuminance function of a light source as $E = I/r^2$. The light souces are 10m…
LiavK
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Consider the following expression about natural number: \forall n\exists m: m^{2}=n .

$$ \forall n\exists m: m^{2}=n $$ How do I interpret this? This is part of my assignment question but I cant carry on without understanding this.
Curious_guy1111
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How do I prove that a boolean function constructed using $\vee$ and $\wedge$ (without using $\thicksim$ ) must attain the value 1 at least once?

I made an attempt and got this solution. To prove this, lets construct a boolean expression using $\wedge$ and $\vee$ . In the boolean expression $(p\wedge q)\vee(p\vee q)$ , by entering the values $p=0$ and $q=0$ , we get $f(0,0)=1$ . Thus…
Curious_guy1111
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Find a % chance to meet or beat a number knowing a dice's average roll

A 6 Sided Dice's average roll is 3.5. I want to roll three 6 Sided Dice and meet or beat an arbitrary number 30% of the time. How do I figure out what that arbitrary number needs to be to meet or beat it 30% of the time? And how do I figure out…
user3570952
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Find element of specific order in group of a large prime power

Consider the group $\mathbb{Z}^{\ast}_p$ where $p =…
koko
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Meaning of Math Symbols

What is the best way to learn the meaning of the math symbols beyond the alphabet or the cardinal numbers? I understand some ϵ>0 means epsilon is greater than zero ∃δ>0 means there exists delta greater than zero How should I say these? ∀x,y∈R,…
Ghid
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How do I remove decimals from cent amounts?

How do I change "23.96" CENTS into something that makes sense? Can I just say \$ $0.2396$? It's important that I keep the value behind the decimal I just don't know how.
Jade Elizabeth
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What is the difference between the derivative of a sine function between the degrees and radian values?

Is the derivative of the sine function, where the angle is measured in degrees, the same as the derivative of the sine function, where the angle is measured in radians.? Please spare me the mathematical equations i know them, i want a…
EvilWarrior
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Unable to solve for value of x

The answer to this puzzle is 4 I can't find the pattern though. What is it?
Manu Chadha
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