merecappiello merecappiello

09-06-2018
Mathematics

contestada

what is the value of 12c5?
A. 95,040
B.792
C.120
D.60

Respuesta :

jinc0930 jinc0930

09-06-2018

nCr=n!/r!(n-r)!

12C5=12!/5!(12-5)!

12C5=12 x 11 x 10 x 9 x 8/5x 4x 3x 2x 1

12C5=792

The answer is B.792

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