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...") |
m |
||
| Line 8: | Line 8: | ||
| − | 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> |
| Line 17: | Line 17: | ||
| − | 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 03:55, 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 
.
