Question

In how many ways can a gymnastics team of 4 be chosen from 9 gymnasts?

Answer 1

9c4 Combination problem..!!

Answer 2

@Chero did you understand?

Answer 3

Im working it, hold one...

Answer 4

sure :)

Answer 5

not getting the right answer.

Answer 6

my choices are: 36
126
3,024

Answer 7

Would you share your work here?

Answer 8

is it 3024??

Answer 9

\( \color{Black}{\Rightarrow 9C4 = \Large {9!
\over 4! 5! }}\)

Answer 10

nope, you are missing something
\[^AC_B=\frac{A!}{B!\times (A-B)!}\]

Answer 11

Do you understand what factorials are?

Answer 12

9!/(5! x4!) Now solve..:)

Answer 13

braking it down?

Answer 14

Yes. \(9! = 9
\times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 \)

Answer 15

got it!

Answer 16

Ans = (6x7x8x9) / (2x3X4)

Answer 17

thank you!

Answer 18

You're welcome :)