Question

Evaluate.

C(9, 7)
A.
181,440
B.
72
C.
36
D.
63

Answer 1

B.

Answer 2

Thanks

Answer 3

np

Answer 4

@damonte212 Please do not give answers, it's against OpenStudy's Code-of-Conduct. We are here to guide the asker to the answer, so we need his/her participation.

Please read the \(\bf\color{blue}{\underline{{\href{http:///openstudy.com/code-of-conduct}{Code-of-Conduct}}}}\) to learn more.

Answer 5

\(\sf C(m, n) = \dfrac{m!}{(n!)(m-n)!}\)

Answer 6

\(\sf C(9, 7) = \dfrac{9!}{(7!)(9-7)!}\)

Simplify

Answer 7

Btw, B is incorrect @kyrsten6372

Answer 8

\(\sf C(9, 7) = \dfrac{9!}{(7!)(2)!}\)

Answer 9

Okay

Answer 10

\(\sf C(9, 7) = \dfrac{9 \times 8 \times \cancel 7 \times \cancel 6 \times \cancel 5 \times \cancel 4 \times \cancel 3 \times \cancel 2}{\cancel 7 \times \cancel 6 \times \cancel 5 \times \cancel 4 \times \cancel 3 \times \cancel2 \times 2}\)

Answer 11

Can you finish it?

Answer 12

72

Answer 13

The top equals 72, but there's still a 2 at the bottom.

Answer 14

36

Answer 15

Yep

Answer 16

Thanks