Question

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50 points
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Answer 1

C(12,5)=

12! / (5!(12-5)!) =

12 x 11 x 10 x 9 x 8 x 7 x6 x5x 4x 3 x2 / (5 x 4x 3 x2 (7x6 5x4x3x2) =

12 x 11 x 10 x 9 x 8 / 5 x 4x 3x2 =

95040 / 120  =

792

Answer 2

Answer:

C(12,5)=

12! / (5!(12-5)!) =

12 x 11 x 10 x 9 x 8 x 7 x6 x5x 4x 3 x2 / (5 x 4x 3 x2 (7x6 5x4x3x2) =

12 x 11 x 10 x 9 x 8 / 5 x 4x 3x2 =

95040 / 120  =

792

Step-by-step explanation: