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2009 UNCO Math Contest II Answer Key

Revision as of 00:27, 6 November 2015 by Timneh (talk | contribs) (Created page with "1) <math>45</math> 2) (a) <math>25</math> (b) <math>75</math> 3) <math>6008</math> 4) <math>360</math> 5) <math>200</math> 6) <math>\binom{m}{2} \binom{n}{2}</math> 7)...")

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1) $45$

2) (a) $25$ (b) $75$

3) $6008$

4) $360$

5) $200$

6) $\binom{m}{2} \binom{n}{2}$

7) $2x+8$

8) $64$

9) $832$

10) (a) $133$ (b) $\binom{19}{2}+\binom{18}{3}+\binom{17}{4}+\cdots \binom{11}{10}$ (c) $\binom{n-1}{2}+\binom{n-2}{3}+\binom{n-3}{4}+\cdots$

11) $$ (Error compiling LaTeX. Unknown error_msg)

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