Wikipedia:Reference desk/Archives/Mathematics/May 2018

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May 3

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 3

  1. Casino bet: how long could your chips last?

May 4

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 4

  1. Calculating the centroid
  2. Should this be corrected?
  3. Balls into bins

May 5

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 5

  1. Monty Hall and Deal/No Deal

May 6

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 6

  1. Set of trigonometric ratios for a triangle
  2. Points on sides of a triangle being the vertices of an equilateral triangle

May 10

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 10

  1. Radius extrema for the circumcircle of a scalene triangle

May 12

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 12

  1. Conway's Game of Life: What are the known barriers to glider synthesis?
  2. Idempotent in a ring becoming zero

May 14

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 14

  1. e^pi has been proven irrational, but e^e hasn't

May 15

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 15

  1. Natural examples of propositions high up in the arithmetic hierarchy
  2. Given that the set of all proofs is infinite, how come we can do math at all?

May 17

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 17

  1. Interpolating the roots of a polynomial from the roots of another

May 21

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 21

  1. Collatz conjecture is almost done!

May 24

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 24

  1. Looking for a statistical test

May 26

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 26

  1. e is a rational number
  2. Two identical jigsaws

May 28

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 28

  1. subgroup of the free group
  2. Mean squared prediction error

May 29

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 29

  1. Is the proposition decidable in ZF ?

May 30

Wikipedia:Reference_desk/Archives/Mathematics/2018 May 30

  1. Apéry's constant
  2. If the top 20% of a population has an average IQ of 130, how exactly do you calculate the average IQ of the entire population?
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