veloxcox veloxcox

15-08-2020
Mathematics

contestada

Evaluate the expression: 15c4
A. 8,190
B. 32,760
C. 1,365
D. 5,460

Evaluate the expression 15c4 A 8190 B 32760 C 1365 D 5460 class=

Respuesta :

ASimpleEngineer ASimpleEngineer

15-08-2020

Answer:

C. 1365

Step-by-step explanation:

The expression nCr can be written with the simple equation:

n! / ((n-r)! * r!)

So to evaluate 15C4:

15! / ((15-4)! * 4!)

= 1365

So 15C4 = 1365

Cheers.

Answer Link

valerieulbrich valerieulbrich

15-08-2020

Answer:

1365

Step-by-step explanation:

15!/4!(15-4)!

1365

Answer Link

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