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Vedmedyk [2.9K]
3 years ago
6

Josefina hit a tennis ball into the air with an

Mathematics
1 answer:
max2010maxim [7]3 years ago
8 0
7 = -16t2 + 16t + 3
7 = t2 + 3
7 -3 = t2 + 3 - 3
4 = t2
square root of 4 = square root of t2
2 = t
2 seconds
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