Answer:
Step-by-step explanation:
h(t) = -16t² + 14400
0= -16t² + 14400
(1/-16)×-14400=-16t²(1/-16)
900=t²
![\sqrt{900} =\sqrt{t^{2}}](https://tex.z-dn.net/?f=%5Csqrt%7B900%7D%20%3D%5Csqrt%7Bt%5E%7B2%7D%7D)
30=t
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Answer:
Your Perimiter is 42
Step-by-step explanation:
Distance from 7,5 to -7,5 is 14
Distance from -7,5 to -7,-2 is 7
Then we double both those numbers as it is a rectangle
2l + 2w = Per...
28 + 14 = 42
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Answer:x=5 or x=−5
Step-by-step explanation:Step 1: Take square root.
x=±√25
x=5 or x=−5