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1 answer:
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Answer:
Step-by-step explanation:
Surface area is the sum of all sides of the area. Since it is a rectangular prism, each surface area will be multiplied by two to account for the opposite side (ex. top and bottom are the same area).
The front/back area is or 11. So the sum of the areas is 22.
The right/left area is or 2. So the sum of the areas is 4.
The top/bottom area is or 22. So the sum of the areas if 44.
We add these together to find the surface area.
The surface area is
Answer:
C. 1 / (a(a - 1))
Step-by-step explanation:
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Just know that:
n! = n(n-1)!
= n(n-1)(n-2)!
= n(n-1)(n-2)(n-3)!
= ...
