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Mathematics, 28.04.2021 20:30 chloejason8375

The expression 5x^2 + 25x + 70 can be used to estimate the height, in meters, of a toy rocket x seconds after it is launched from a platform.
How many seconds does it take the rocket to hit the ground?

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The expression 5x^2 + 25x + 70 can be used to estimate the height, in meters, of a toy rocket x se...
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