SOLUTION: how many possible ways to seat 15 kids in 15 seats?
out of 15 students how many ways to choose 5 out of the 15 students for a project?
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Question 549761: how many possible ways to seat 15 kids in 15 seats?
out of 15 students how many ways to choose 5 out of the 15 students for a project?
Answer by mathie123(224) (Show Source): You can put this solution on YOUR website!
how many possible ways to seat 15 kids in 15 seats?
Since ORDER matters, we have a permutation. This means we want to get 15P15=15!/(15-15)!=15!
out of 15 students how many ways to choose 5 out of the 15 students for a project?
Since in this case order DOESN"T matter, we have a combination. So we have 15C5 ways to do this. (I will let you simplify using your combination formula).
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Hopefully this helps!
Romans 5:8
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