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raleung2

  • 4 years ago

In how many ways can a club with 9 members choose a two-member sub-committee? Work please!! This is a combination.

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  1. samjordon
    • 4 years ago
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    its 9C2

  2. Hero
    • 4 years ago
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    I thought @samjordon was going to give an explanation along with giving an answer, but I guess not.

  3. samjordon
    • 4 years ago
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    9!/(2!(9-2)!)

  4. Hero
    • 4 years ago
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    I guess that is your idea of an explanation.

  5. samjordon
    • 4 years ago
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    it's just a basic probability formula for choosing n objects out of total k objects

  6. raleung2
    • 4 years ago
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    so whats the answer?

  7. Hero
    • 4 years ago
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    Well, as far as an explanation, that's a start, but you didn't even give a general formula.

  8. raleung2
    • 4 years ago
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    whats the answer

  9. Hero
    • 4 years ago
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    @raleung2 , what's sad is an answer was given, but even sadder that you didn't recognize it.

  10. raleung2
    • 4 years ago
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    9C2? whats that?

  11. raleung2
    • 4 years ago
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    what is the c?

  12. Hero
    • 4 years ago
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    This is proof that giving answers alone is not helpful.

  13. samjordon
    • 4 years ago
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    Hero is stuck up and a snob

  14. Hero
    • 4 years ago
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    No, that's not it. I just don't like when people give answers without explanations.

  15. Hero
    • 4 years ago
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    Especially when it is stated directly in the CoC exactly what not to do.

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