shealene7
15.12.2020 •
Mathematics
The function h(t)=−16t2+48t+28 models the height (in feet) of a ball where t is the time (in seconds). How many seconds is the ball in the air before it hits the ground? Just write the numerical answer - do not include t= or any units in your answer. If your answer is not an integer, enter it either as a decimal or an improper fraction - do NOT use mixed numbers
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Ответ:
201.06 m²
Step-by-step explanation:
d=16m
r=d/2=16/2=8 m
Now
Area of the circle=πr²
=(3.14)(8)²
=(3.14)(64)
=201.06 m²