3 years ago

What is the value of 12C4 ? A) 11,880 B) 792 C) 495 D) 48

Mathematics

2 answers:

bazaltina [42]3 years ago

4 0

The answer is C 495

m_a_m_a [10]3 years ago

3 0

The combinations formula:
n C r = (n * ( n - 1 ) ... ( n - r + 1)) / r !
The value of 12 C 4
12 C 4 = ( 12 * 11 * 10 * 9 ) / ( 4 * 3 * 2 * 1 )=
= 11.880 / 24 = 495
Answer: C ) 495

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