Question

Minimizing $|x-1|+|x-2|+|x-3|+...+ |x-2019|+ |x-2020|$.

score 456 · Answer 1 · 2026-04-16 21:51:24

456

Views

Minimizing $|x-1|+|x-2|+|x-3|+...+ |x-2019|+ |x-2020|$.

Published on 16 Apr 2026 - 21:51

score 1k · Answer 2 · 2026-04-16 04:58:48

1k

Views

Let $n$ lines be drawn in the plane so that each of them intersects the others but any three lines do not coincide at any point.

Published on 16 Apr 2026 - 4:58

score 32 · Answer 3 · 2026-04-15 16:38:27

32

Views

FOL sentence which is true in a graph G exactly when G has no cycles of length $n $

Published on 15 Apr 2026 - 16:38

score 335 · Answer 4 · 2026-04-16 15:22:00

335

Views

Randomly choosing a number and then the dealer picks $20$ from the same set

Published on 16 Apr 2026 - 15:22

score 124 · Answer 5 · 2026-04-17 00:49:24

124

Views

Suppose $M\models D(N)$. Show that $M$ has a substructure which is isomorphic to $N$

Published on 17 Apr 2026 - 0:49

score 42 · Answer 6 · 2026-04-12 14:08:25

42

Views

How was this quadratic formed?

Published on 12 Apr 2026 - 14:08

score 80 · Answer 7 · 2026-04-12 05:59:12

80

Views

Count multiples of 7 between range using positioning

Published on 12 Apr 2026 - 5:59

score 293 · Answer 8 · 2026-04-11 19:14:19

293

Views

Prove that $X,Y,Z$ are collinear.

Published on 11 Apr 2026 - 19:14

score 125 · Answer 9 · 2026-04-17 03:00:07

125

Views

Solve for real numbers $x$ and $y$, simultaneously the equations given by $xy^2 = 15x^2 + 17xy + 15y^2$ and $x^2y = 20x^2 + 3y^2$.

Published on 17 Apr 2026 - 3:00

score 176 · Answer 10 · 2026-04-16 17:11:43

176

Views

Determine all solutions of the equation in $\mathbb{R}, (x^2 + 3x – 4)^3 + (2x^2– 5x + 3)^3 = (3x^2 – 2x – 1)^3$

Published on 16 Apr 2026 - 17:11

score 38 · Answer 11 · 2026-04-16 02:08:52

38

Views

Working out probabilities of a singular instance and extrapolating to larger numbers

Published on 16 Apr 2026 - 2:08

score 66 · Answer 12 · 2026-04-16 11:55:21

66

Views

If $z$ is a complex number and $|z| = 1$ and $z^2 \neq 1$. Then $\frac{z}{1-z^2}$ lies on :-

Published on 16 Apr 2026 - 11:55

score 47 · Answer 13 · 2026-04-12 05:59:16

47

Views

How Does One Come Up With This Proof of The Triangle Inequality of Complex Integrals?

Published on 12 Apr 2026 - 5:59

score 183 · Answer 14 · 2026-04-12 11:42:22

183

Views

In a $\triangle ABC$, $\angle A = 30^\circ, BC = 13.$

Published on 12 Apr 2026 - 11:42

score 247 · Answer 15 · 2026-04-16 04:58:35

247

Views

Let $(m,n)$ be the pair of integers satisfying $2(8n^3 + m^3) + 6(m^2 - 6n^2) + 3(2m + 9n) = 437.$ Find the sum of all possible values of $mn$.

Published on 16 Apr 2026 - 4:58

List Question

Minimizing $|x-1|+|x-2|+|x-3|+...+ |x-2019|+ |x-2020|$.

Let $n$ lines be drawn in the plane so that each of them intersects the others but any three lines do not coincide at any point.

FOL sentence which is true in a graph G exactly when G has no cycles of length $n $

Randomly choosing a number and then the dealer picks $20$ from the same set

Suppose $M\models D(N)$. Show that $M$ has a substructure which is isomorphic to $N$

How was this quadratic formed?

Count multiples of 7 between range using positioning

Prove that $X,Y,Z$ are collinear.

Solve for real numbers $x$ and $y$, simultaneously the equations given by $xy^2 = 15x^2 + 17xy + 15y^2$ and $x^2y = 20x^2 + 3y^2$.

Determine all solutions of the equation in $\mathbb{R}, (x^2 + 3x – 4)^3 + (2x^2– 5x + 3)^3 = (3x^2 – 2x – 1)^3$

Working out probabilities of a singular instance and extrapolating to larger numbers

If $z$ is a complex number and $|z| = 1$ and $z^2 \neq 1$. Then $\frac{z}{1-z^2}$ lies on :-

How Does One Come Up With This Proof of The Triangle Inequality of Complex Integrals?

In a $\triangle ABC$, $\angle A = 30^\circ, BC = 13.$

Let $(m,n)$ be the pair of integers satisfying $2(8n^3 + m^3) + 6(m^2 - 6n^2) + 3(2m + 9n) = 437.$ Find the sum of all possible values of $mn$.

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