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Lv 4
... asked in Science & MathematicsMathematics · 1 decade ago

Math question, need help please?

A basketball squad has ten players. which expression represents the number of five-player teams that can be made if john, the team captain, must be on every team?

1) 10C5

2) 9C4

3) 9P4

4) 10P5

Explain answer or give an example or show.

Thank you.

1 Answer

Relevance
  • 1 decade ago
    Favorite Answer

    3)

    because you have to get rid of john... so your down to 9 guys looking for 4 spots..

    and because a guy cant be repeated on the same team its 9x8x7x6... which is the same as P(9,4)

    hope that helps

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