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A science teacher gives his students the choice of 7 projects. Each student has to complete 5 of the 7 projects. How many combinations of the 5 projects are possible?

A science teacher gives his students the choice of 7 projects. Each student has to complete 5 of the 7 projects. How many combinations of the 5 projects are possible?
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3 votes
A science teacher gives his students the choice of 7 projects. Each student has to complete 5 of the 7 projects. How many combinations of the 5 projects are possible?

asked
User Sergei G
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1 Answer

3 votes
21, 7!/5! (7-5)!=21

Hope this helps! Have a great day! If you need any more help lmk! :)
answered
User Suresh Karia
by
8.5k points
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