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Mamont248 [21]
3 years ago
15

The height of a diver during a dive can be modeled by h=-16t^2, where h is height in feet relative to the diving platform and t

is time in seconds. Find the time it takes for the diver to reach the water is the platform is 49 feet high
Mathematics
1 answer:
Makovka662 [10]3 years ago
3 0
H=-16t^2+49
find where h=0
0=49-16t^2
0=7^2-(4t)^2
difference of 2 perfect square
0=(7-4t)(7+4t)
set to zero
7-4t=0
7=4t
7/4=t

7+4t=0
4t=-7
t=-7/4
faslse, this is before the person jumps

answer is 7/4 seconds
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