Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

RedDevil

  • 2 years ago

how do you evaluate C(9,7)

  • This Question is Closed
  1. amistre64
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    P(9,7)/7!

  2. amistre64
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    9.8.7.6.5.4.3 ------------ 7.6.5.4.3.2.1 simplify to your hearts desire

  3. giolefpatceid
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    C(n,k) can also be written: \[C(n,k) = \frac{n!}{k!(n-k)!}\]

  4. RedDevil
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    What's The Answer ? A) 181,440 B)72 C)36 D)63

  5. amistre64
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    please dont ask for an answer that you can work out for yourself ...

  6. amistre64
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    \[C(n,k) = \frac{n!}{k!(n-k)!}\] \[C(n,k) = \frac{n!/(n-k)!}{k!}\] \[C(n,k) = \frac{P(n,k)}{k!}\]

  7. giolefpatceid
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    \[C(9,7) = \frac{9!}{7!(9-7)!} = \frac{9!}{7!2!} = \frac{7!*8*9}{7!2!} = \frac{8*9}{2}\]

  8. RedDevil
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Thanks (: really Appreciate it..

  9. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy