The answer is 43.967cm because circumference is equal to pi times the diameter, or two times pi times the radius.
Answer:
87.5
Step-by-step explanation:
By completing the square,
y
=-14x^2+70x
=-14(x^2-5x)
=-14(x-5/2)^2+175/2
the max. height=175/2
i.e. 87.5
Answer:
B
Step-by-step explanation:
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If you dont know the anwser its always B
The ball will hit the ground between 8 and 9 seconds
