Answer:
4
Step-by-step explanation:
There are 4 ways to ignore one of the points. The other 3 can be connected to form a triangle.
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More formally, the number of ways that 4 items can be chosen 3 at a time is given by ...
... C(4, 3) = 4!/(3!(4-3)!) = 4/1 = 4
12.9
Diameter is just the radius times 2
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Answer:
the number of weeks is unknown the A represents the number of weeks so the answer is 100a
