anonymous
  • anonymous
the san benito girls bacsketball has 7 players dressed for a game. a) in how many ways can they be arranged to sit on a bench? b)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
a) 7!. you have 7 choices for the first * 6 for the second *5*4*3*2*1=7! b) is there another question?
anonymous
  • anonymous
b) if there is a tie after regulation time, 4 players each take 5 free throws and the team with the highest total wins. how many possibilities does the coach have for selelcting who will break a tie?
anonymous
  • anonymous
you need to choose 4 out of 7. That is 7!/(3!4!)=35

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anonymous
  • anonymous
do you know how to find the number of ways to choose r objects from n?
anonymous
  • anonymous
@rsvital: Are you sure about your answer to the first part?!
anonymous
  • anonymous
pretty much. why do you think it is wrong?
anonymous
  • anonymous
there are 7! ways to permute 7 objects
anonymous
  • anonymous
yes sorry, i skipped a question.. *b) five players are assigned to specific positions for the gamee.how many diff. teams can the coach put out on the floor?
anonymous
  • anonymous
7*6*5*4*3 ways. order matters so you have 7 choices then 6 then 5...
anonymous
  • anonymous
that is since they have specific positions. If you just wanted to know how many sets of 5 it is 7 choose 5
anonymous
  • anonymous
make sense?
anonymous
  • anonymous
yes, thankyou!!
anonymous
  • anonymous
youre welcome :)

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