daedae96
11.12.2021 •
Mathematics
Select all equations that have 5 as a solution by using substitution to determine if the eqution is true.
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Ответ:
h(t) = -16t^2 + 4
for a penny dropped from a height of 4 feet. Then h(t) = 0 for
0 = -16t^2 +4
t^2 = 4/16
t = √(1/4) = 1/2
It takes about 1/2 second for the penny to hit the floor.