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ahorn
  • Member for 8 years, 1 month
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8 votes

How far can one see over the ocean?

5 votes

Prove that for every integer $n$ there exists a unique integer $m$ such that $2m + 8n = 6$.

4 votes

finding the number of factors $2^{15}\times3^{10}\times5^6$

4 votes

Find volume of the cap of a sphere of radius R with thickness h

3 votes
Accepted

How to Calculate csc(2.85) in Calculator?

3 votes

Relationship between two-equation constrained optimization and one-equation version

3 votes

Precalculus/Trigonometric Functions of Sine, Cosine, and Tangent with given parameters?

2 votes
Accepted

Understanding the inclusion $C\subseteq f ^{-1}(f(C))$

2 votes

Langrange Multiplier, to find maximum volume of a cone

2 votes

Evaluate the limit $\lim\limits_{n\rightarrow \infty}(\frac{1}{6}+\frac{1}{24}+\frac{1}{60}+\frac{1}{120}+\dots+\frac{1}{n^{3}-n})$

2 votes

Self-contained undergrad math resources for someone with extremely weak foundations in math?

2 votes

I want to learn mathematics to extend myself.

2 votes

A die is rolled 5 times, what is the probability that there are exactly 2 fives?

2 votes

Proving $\int x \, \mathrm{d}y =xy- \int y \, \mathrm{d}x$

2 votes

Visualizing this Matrix Transformation on the Unit Square

2 votes

How did $u$ become the subject of this formula?

2 votes
Accepted

Prove a cyclic quad where there are parallel lines

1 vote

Evaluate the second derivative of the loglikelihood of a probability model

1 vote

My solution to optimizing a utility function does not agree with the textbook answer.

1 vote
Accepted

Complex Numbers ( Find a & b )

1 vote

Some Möbius transformations I don't understand

1 vote

If the radius of a sphere is increased by $10\%$, by what percentage is its volume increased?

1 vote

Quadratic equation with floor function in the variable

1 vote

Find volume of the cap of a sphere of radius R with thickness h

1 vote
Accepted

True or False? $\int\limits_0^2(x-x^3)dx$ represents the area under the curve $y=x-x^3$ from 0 to 2.

1 vote

Can we take any decision about the quadrants, through which a line-segment passes, from its slope?

1 vote
Accepted

second directional derivative in a volume

1 vote
Accepted

Evaluate a linear system of three equations

1 vote
Accepted

Compactness and sequences in $\mathbb{R}^{n}$

1 vote

How to chart points on a stretched line