We are asked for the total or three card hands that can be made with two aces. The three-card hand should have two aces. We will use permutation in solving this problem and the solution is shown below:
nPr = n! /(n-r)!
n=3
r=2
3P2 = 3!/(3-2)!
3P2 = 6
The answer is 6.
Answer:
Step-by-step explanation:
Remember that 
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When you multiply powers with the same base, add the exponents. Do this in the denominator.
When you divide powers with the same base, subtract the exponents.
Answer:
each pair of distinct vertices we connect them up with
a line segment. There are (8 2 )=28 such line segments.
Step-by-step explanation:
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Answer:
r = -3
Step-by-step explanation:
Add the like terms: 8r = -24
Isolate r by dividing each side by 8: r = -24/8
Simplify: r = -3
Hope this helps
Answer:
1530
Step-by-step explanation:
