To calculate combinations we use the nCr formula: nCr = n! / r! * (n - r)!, where n = number of items, and r = number of items being chosen at a time.

$C(n,r)=[?]$

$C(n,r)=C(5,3)$

$=\frac{5}{(3!(5-3)!)}$

$=\frac{5!}{3!*2!}$

$=10$

[RevyBreeze]

3 0

2 years ago

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Solve 4|x + 5| + 8 = 24.

KIM [24]

Your answer would be C

6 0

2 years ago

The endpoints of PQ are (4,1) and Q(4,8)

tatuchka [14]

Answer:

Search this up on google to find out what the answer is because no one is going to know how to do it.

5 0

3 years ago

What does the digit 7 represent in 701,280?

Nat2105 [25]

The 7 in 701,280 is in the hundred thousands place.

6 0

3 years ago

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