SOLUTION: Indicate the formula for the following conditions. P(n,r) Evaluate C(4, 4) A. 1 B. 6 C. 24 How many subsets of three elements each exist in a set of six elements? A.

Algebra ->  Expressions -> SOLUTION: Indicate the formula for the following conditions. P(n,r) Evaluate C(4, 4) A. 1 B. 6 C. 24 How many subsets of three elements each exist in a set of six elements? A.      Log On


   

Question 982819: Indicate the formula for the following conditions.
P(n,r)

Evaluate C(4, 4)
A. 1
B. 6
C. 24

How many subsets of three elements each exist in a set of six elements?
A. 3!
B. C(6, 3)
C. P(6, 3)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
P%28n%2Cr%29+=+%28n%21%29%2F%28%28n-r%29%21%29

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C%28n%2Cr%29+=+%28n%21%29%2F%28r%21%28n-r%29%21%29

C%284%2C4%29+=+%284%21%29%2F%284%21%284-4%29%21%29

C%284%2C4%29+=+%284%21%29%2F%284%210%21%29

C%284%2C4%29+=+%284%2A3%2A2%2A1%29%2F%284%2A3%2A2%2A1%2A1%29

C%284%2C4%29+=+%2824%29%2F%2824%29

C%284%2C4%29+=+1

I'll let you do the last part.