Question

please HELP!! will give medal!!!

Answer 1

If a school has to pick two colors for the school colors, and there are ten colors to chose from, how many combinations are there available? I forgot how to do this the easy way. Dope!

Answer 2

20...2 colors for the school colors and 10 two choose from...

Answer 3

thank you

Answer 4

wait

Answer 5

thankz 4 medal :]

Answer 6

no it would be 45

Answer 7

you cant chose two of the same color

Answer 8

actually, this is a combination problem. it is 20C2, to evaluating it
use the formula :
nCr = n!/(n-r)!r!

Answer 9

opsss. i mean 10C2 :)

Answer 10

ooohh thank you

Answer 11

welcome :)