Difference between revisions of "2014 UNCO Math Contest II Answer Key"
m (Created page with "1) The youngest will be <math>16</math> and the perfect square is <math>100</math>. 2) <math>145</math> 3) <math>x =-2</math> and <math>y = \tfrac{-3}{4}</math> 4) (a) <mat...") |
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− | 4) (a) <math>210</math> (b) <math>4010</math> (c) <math>\ | + | 4) (a) <math>210</math> (b) <math>4010</math> (c) <math>\frac{n(n^2+1)}{2}</math> |
− | 5) (a) <math>\ | + | 5) (a) <math>\frac{1}{5}</math> (b) <math>\frac{(1-x)^2}{1+x^2}</math> |
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− | 7) <math>\ | + | 7) <math>\frac{112}{125}</math> |
− | 8) (a) <math>\ | + | 8) (a) <math>\frac{2}{5}</math> (b) <math>\frac{8}{31}</math> |
Latest revision as of 02:55, 22 October 2014
1) The youngest will be and the perfect square is .
2)
3) and
4) (a) (b) (c)
5) (a) (b)
6) (a) (b)
7)
8) (a) (b)
9) Zero probability for and for , where is the Fibonacci number.
10)(a) (b) (c) ,
where there are guessers, not including Tweedledee and Tweedledum. Here .