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Posted by on Thursday, June 17, 2010 at 9:13pm.

assignment for an art class is to complete 4 projects from a list of 6. how many ways can this be done if the order soes not matter?

  • math - , Thursday, June 17, 2010 at 10:42pm

    you are "choosing" 4 form 6

    C(6,4) = 6!/(4!2!) = 15

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