Question

What is wrong with this solution to the inequality $\frac{1}{X - 2} < 0$?

score 83 · Answer 1 · 2019-09-15 07:20:57

83

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What is wrong with this solution to the inequality $\frac{1}{X - 2} < 0$?

Published on 15 Sep 2019 - 7:20

score 427 · Answer 2 · 2019-09-18 09:30:36

427

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Beyond the complex plane - solving $\sqrt{x}=-1$

Published on 18 Sep 2019 - 9:30

score 922 · Answer 3 · 2019-09-18 19:43:46

922

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Number of rectangles on a checkerboard with at least 4 black squares

Published on 18 Sep 2019 - 19:43

score 89 · Answer 4 · 2019-09-19 07:15:51

89

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Finding Twin primes Such That Their Sum + 1 is Also Prime

Published on 19 Sep 2019 - 7:15

score 169 · Answer 5 · 2019-09-19 09:58:29

169

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What Is The Ratio Of Sum Of All Prime under N to sum of all composite under N?

Published on 19 Sep 2019 - 9:58

score 130 · Answer 6 · 2019-09-20 16:23:13

130

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Trigonometric values of complex Numbers

Published on 20 Sep 2019 - 16:23

score 410 · Answer 7 · 2019-09-21 10:17:26

410

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Trigonometric ratios in 4-Dimensions

Published on 21 Sep 2019 - 10:17

score 161 · Answer 8 · 2026-03-27 02:59:37

161

Views

Guessing the number of other $1$'s in a binary sequence

Published on 27 Mar 2026 - 2:59

score 34 · Answer 9 · 2019-09-22 18:24:09

34

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What is the solution to this problem in which the goal is to find the best strategy

Published on 22 Sep 2019 - 18:24

score 41 · Answer 10 · 2019-09-23 02:59:19

41

Views

Spades and fixed - find the right $4-digit$ number in $6$ questions or less.

Published on 23 Sep 2019 - 2:59

score 99 · Answer 11 · 2019-09-23 03:40:07

99

Views

Mathematical expression to represent puzzle box solution sequence

Published on 23 Sep 2019 - 3:40

score 62 · Answer 12 · 2019-09-23 10:18:25

62

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Will I win or lose money if I toss 2 coins for many times?

Published on 23 Sep 2019 - 10:18

score 689 · Answer 13 · 2019-09-23 12:32:54

689

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What is the probability that the highest of the three numbers obtained from three dice will be exactly a $4$?

Published on 23 Sep 2019 - 12:32

score 449 · Answer 14 · 2019-09-24 01:34:21

449

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What is the minimum number of groups of three coins you can flip in order to flip every coin so that it is heads-down?

Published on 24 Sep 2019 - 1:34

score 189 · Answer 15 · 2019-09-24 03:08:05

189

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Let $L(N)$ be the length of the longest run of consecutive heads or tails in $N$ tosses of a fair coin. What is $E[L(5)] - E[L(4)]?$

Published on 24 Sep 2019 - 3:08

List Question

What is wrong with this solution to the inequality $\frac{1}{X - 2} < 0$?

Beyond the complex plane - solving $\sqrt{x}=-1$

Number of rectangles on a checkerboard with at least 4 black squares

Finding Twin primes Such That Their Sum + 1 is Also Prime

What Is The Ratio Of Sum Of All Prime under N to sum of all composite under N?

Trigonometric values of complex Numbers

Trigonometric ratios in 4-Dimensions

Guessing the number of other $1$'s in a binary sequence

What is the solution to this problem in which the goal is to find the best strategy

Spades and fixed - find the right $4-digit$ number in $6$ questions or less.

Mathematical expression to represent puzzle box solution sequence

Will I win or lose money if I toss 2 coins for many times?

What is the probability that the highest of the three numbers obtained from three dice will be exactly a $4$?

What is the minimum number of groups of three coins you can flip in order to flip every coin so that it is heads-down?

Let $L(N)$ be the length of the longest run of consecutive heads or tails in $N$ tosses of a fair coin. What is $E[L(5)] - E[L(4)]?$

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