User AmagicalFishy

7 votes

Accepted

How many bags would need to be bought to have all the red noses?

answered Mar 13, 2015 at 17:44

6 votes

What does the subject GRE measure?

answered Oct 26, 2017 at 10:36

5 votes

Differentiation: exact or an approximation?

answered Mar 4, 2014 at 21:12

3 votes

Accepted

A tricky question from the AMC test (American Mathematics competitions)

answered Feb 20, 2014 at 3:54

3 votes

Why is this not a 1-1 Function?

answered Feb 26, 2014 at 19:10

3 votes

What do sine, tan, cos actually mean?

answered Jul 25, 2015 at 23:27

2 votes

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How to define a subset with proper mathematical notation

answered Mar 3, 2015 at 16:35

2 votes

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Proving that $a$ is an element of a set $A$

answered Oct 28, 2014 at 17:52

2 votes

Accepted

Let $G$ be the group $Z_2$. How would I define the following group, $K$?

answered Mar 6, 2014 at 1:09

2 votes

How should a train move between stops given the engine has power P?

answered Jun 16, 2017 at 17:17

1 vote

Prove that $a_1a_2 ≡ b_1b_2 \mod n$

answered Feb 13, 2018 at 3:40

1 vote

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Can $\varepsilon$-$\delta$ definitions be used to find a limit or only to verify?

answered Oct 29, 2014 at 4:03

1 vote

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Lotto Number Generator probabilities

answered Mar 13, 2015 at 22:40

1 vote

Accepted

Prove that if $a_{1}\geq a_{2},a_{2}\geq a_{3},\dots,a_{n-1}\geq a_{n}$ then $a_{1}\geq a_{n}$, with $a_{1}=a_{n}$ iff all the $a$'s are equal.

answered Mar 14, 2015 at 3:04

1 vote

How to find if a point is outside a circle circumference area?

answered Jul 21, 2015 at 16:47

0 votes

Meaning of this cross product

answered Apr 13, 2017 at 19:56

0 votes

General factorization of $x^n-y^n$ (n is real)

answered Jun 8, 2017 at 18:43

0 votes

Accepted

Dice multiplication probability

answered Jun 13, 2017 at 17:47

0 votes

How do I create a 4 on 4 tournament where every player plays with every other player an equal number of times?

answered Jun 15, 2017 at 18:32

0 votes

Notation of the summation the number of elements in a set

answered Jun 15, 2017 at 15:48

0 votes

Global monotonicity of locally monotone function

answered Oct 30, 2014 at 1:21

0 votes

Question about $i$

answered Oct 26, 2014 at 1:19

0 votes

Can someone explain ideals to me?

answered Feb 25, 2014 at 19:49

0 votes

Is there an intuitive way of visualising vector derivatives?

answered Sep 10, 2018 at 23:31

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24 Answers

How many bags would need to be bought to have all the red noses?

What does the subject GRE measure?

Differentiation: exact or an approximation?

A tricky question from the AMC test (American Mathematics competitions)

Why is this not a 1-1 Function?

What do sine, tan, cos actually mean?

How to define a subset with proper mathematical notation

Proving that $a$ is an element of a set $A$

Let $G$ be the group $Z_2$. How would I define the following group, $K$?

How should a train move between stops given the engine has power P?

Prove that $a_1a_2 ≡ b_1b_2 \mod n$

Can $\varepsilon$-$\delta$ definitions be used to find a limit or only to verify?

Lotto Number Generator probabilities

Prove that if $a_{1}\geq a_{2},a_{2}\geq a_{3},\dots,a_{n-1}\geq a_{n}$ then $a_{1}\geq a_{n}$, with $a_{1}=a_{n}$ iff all the $a$'s are equal.

How to find if a point is outside a circle circumference area?

Meaning of this cross product

General factorization of $x^n-y^n$ (n is real)

Dice multiplication probability

How do I create a 4 on 4 tournament where every player plays with every other player an equal number of times?

Notation of the summation the number of elements in a set

Global monotonicity of locally monotone function

Question about $i$

Can someone explain ideals to me?

Is there an intuitive way of visualising vector derivatives?