Question

Recreational Math Problem about unknown amount of rotating vectors

score 134 · Answer 1 · 2026-04-11 01:17:03

134

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Recreational Math Problem about unknown amount of rotating vectors

Published on 11 Apr 2026 - 1:17

score 272 · Answer 2 · 2026-04-11 04:36:14

272

Views

Bug jumping problem

Published on 11 Apr 2026 - 4:36

score 91 · Answer 3 · 2026-04-14 22:57:28

91

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Covering unit square with discs; systems of degree-2 polynomials

Published on 14 Apr 2026 - 22:57

score 129 · Answer 4 · 2026-04-17 00:33:32

129

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Prove there exist numbers $a_i, b_j$ so that $x_{ij}=a_i + b_j$ for all $1\le i,j\le n$ if any full tour costs the same

Published on 17 Apr 2026 - 0:33

score 172 · Answer 5 · 2026-04-12 10:02:29

172

Views

Approximately how many hexagonal lattice points are there inside a (large) circle? Same question for equilateral triangle lattice...

Published on 12 Apr 2026 - 10:02

score 234 · Answer 6 · 2026-04-10 22:17:23

234

Views

Monty's choice of door to open when the car is behind the door initially chosen by the contestant

Published on 10 Apr 2026 - 22:17

score 110 · Answer 7 · 2026-04-24 18:37:54

110

Views

How to solve for x and y to get x +y summation to reach maximum possible number?

Published on 24 Apr 2026 - 18:37

score 229 · Answer 8 · 2026-04-28 12:21:41

229

Views

T/F: If $(x_n)$ is a positive real sequence s.t. $\sum x_n$ converges, then $\exists N$ s.t. $x_{\left\lceil\frac{1}{x_N }\right\rceil}<\frac{1}{N}.$

Published on 28 Apr 2026 - 12:21

score 67 · Answer 9 · 2026-04-10 08:36:44

67

Views

Piecewise function, which follows equation but ends in nothing

Published on 10 Apr 2026 - 8:36

score 67 · Answer 10 · 2026-04-28 12:21:40

67

Views

Suppose $x_n>0$ and $\sum_n x_n$ converges. T/F: $\forall\varepsilon>0,\exists\ N,\ \exists\ M\in [N,N^2]$ s.t. $\frac{x_M}{x_N}<\varepsilon.$

Published on 28 Apr 2026 - 12:21

score 39 · Answer 11 · 2026-04-11 01:48:04

39

Views

How do I calculate how much time the video will last with a different player velocity?

Published on 11 Apr 2026 - 1:48

score 65 · Answer 12 · 2026-04-17 04:15:13

65

Views

A Game of Placing Points in a Square

Published on 17 Apr 2026 - 4:15

score 77 · Answer 13 · 2026-04-14 19:41:24

77

Views

Generalization of a problem involving the conversion between two or more objects

Published on 14 Apr 2026 - 19:41

score 263 · Answer 14 · 2026-04-12 10:10:55

263

Views

How does Pi fit on the real number line?

Published on 12 Apr 2026 - 10:10

score 2.5k · Answer 15 · 2026-04-11 10:07:30

2.5k

Views

Help needed in finding the area of the square (tricky geometry question)

Published on 11 Apr 2026 - 10:07

List Question

Recreational Math Problem about unknown amount of rotating vectors

Bug jumping problem

Covering unit square with discs; systems of degree-2 polynomials

Prove there exist numbers $a_i, b_j$ so that $x_{ij}=a_i + b_j$ for all $1\le i,j\le n$ if any full tour costs the same

Approximately how many hexagonal lattice points are there inside a (large) circle? Same question for equilateral triangle lattice...

Monty's choice of door to open when the car is behind the door initially chosen by the contestant

How to solve for x and y to get x +y summation to reach maximum possible number?

T/F: If $(x_n)$ is a positive real sequence s.t. $\sum x_n$ converges, then $\exists N$ s.t. $x_{\left\lceil\frac{1}{x_N }\right\rceil}<\frac{1}{N}.$

Piecewise function, which follows equation but ends in nothing

Suppose $x_n>0$ and $\sum_n x_n$ converges. T/F: $\forall\varepsilon>0,\exists\ N,\ \exists\ M\in [N,N^2]$ s.t. $\frac{x_M}{x_N}<\varepsilon.$

How do I calculate how much time the video will last with a different player velocity?

A Game of Placing Points in a Square

Generalization of a problem involving the conversion between two or more objects

How does Pi fit on the real number line?

Help needed in finding the area of the square (tricky geometry question)

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