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14 February, 05:17

There are 11 students on the tennis team. The coach selects 3 of them to go to atennis clinic. In how many ways can he choose 3 of the 11 students?

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  1. 14 February, 05:29
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    165 ways

    Step-by-step explanation:

    Selection deals with combination

    There are a total of 11 from which 3 are to be selected

    11C3 = 11!/3! (11-3) !

    = 11! / (3! x8!)

    = (11x10x9x8!) / (3x2x8!)

    =11x10x9/6

    =11x5x3 = 165 ways
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