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Mathematics 12 Online
OpenStudy (anonymous):

use the formula for nCr to evaluate the given expression 15C11/3C2

OpenStudy (m):

1365/3

OpenStudy (anonymous):

and you devide that?

OpenStudy (m):

455

OpenStudy (anonymous):

yeah i know that so that's what it would come out with?

OpenStudy (m):

yeah i'm guessing your teacher wants in fraction or integer and since answer is integer you have to put 455

OpenStudy (m):

that's the answer for the whole thing

OpenStudy (anonymous):

ok

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