What is the probability that the first to two checkers he pulls from the box at random will be two red checkers?
1 answer:
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Answer:
c
Step-by-step explanation:
The volume (V) of a square based pyramid is calculated as
V = Ah ( A is the area of the base and h is the height )
Here V = 1350, thus
× 15²h = 1350 ( multiply both sides by 3 to clear the fraction )
225h = 4050 ( divide both sides by 225 )
h = 18 ft → c