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Charlee Keith
Mathematics
17 May, 14:33
Evaluate 5C2 (nCR).
A.) 10
B.) 20
C.) 60
+5
Answers (
1
)
Volvo
17 May, 14:44
0
We may directly use our calculator to solve for the combination, 5C2 = 10. Another option is to use the equation for the combination that is,
nCr = n! / ((n - r) ! r!))
Substituting the known values,
5C2 = 5! / ((5 - 2) !2!)) = 10
Thus, the answer is letter A.
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