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Ulleksa [173]
3 years ago
6

The height h of an object projected upward from the floor of the Golden Gate Bridge which has an initial height of 220 feet and

with an initial velocity of 30 feet per second is given by h=-16t^2+30t+220. How many seconds later will the rock hit the water? Round to the nearest tenth. Please help ASAP!!! :(
Mathematics
2 answers:
Cloud [144]3 years ago
8 0

Answer:

7.3

Step-by-step explanation:

time is distance divided by velocity/speed

t = 220/30

t = 7.33333 = 7.3

Natali [406]3 years ago
8 0
I,bbregrggkengnergtgtgtegtg gtg
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