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Ugo [173]
3 years ago
10

Football The function defined by h = -5t² + 20t + 2 indicates the approximate height h of a soccer ball. in meters according to

the elapsed time t in seconds, since it was launched. This ball hit the ground before a receiver managed to approach it. How much time has the balloon spent in the air, to the nearest tenth of a second! For how many seconds was he at a height of at least 17 m?
Mathematics
1 answer:
timama [110]3 years ago
4 0
3 seconds for the second question

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