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makkiz [27]
3 years ago
14

Set up an algebraic equation and then solve the following problems.

Mathematics
2 answers:
Dmitry [639]3 years ago
3 0

3 seconds

solve for when y is zero

0 = -16t^2 + 32t + 48

0 = -16(x^2-2x-3)

0 = -16(x-3)(x+2)

x = 3 or -2

-2 is extraneous because time is not negative in this instance so 3 seconds.


vodka [1.7K]3 years ago
3 0

t=-1 +square root of 2 or t=-1 - square root of 2 is the answer i think

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