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Mathematics, 06.10.2020 14:01 superstarsara5ouh83x

HURRY An object is launched from a platform.
Its height (in meters), 3 seconds after the launch, is modeled by:
h(x) = -5x2 + 20x + 60
How many seconds after launch will the object land on the ground?
seconds

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HURRY An object is launched from a platform.
Its height (in meters), 3 seconds after the laun...

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