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pishuonlain [190]
4 years ago
6

Jenny used the expression -16x2 + 38x + 5 to determine the height of an object x seconds after it was hit into the air. Write an

inequality to represent the interval of time that the object was in the air.
Mathematics
1 answer:
Masteriza [31]4 years ago
7 0

Answer:

0 < x < 2.5

Step-by-step explanation:

-16x² + 38x + 5 = 0

-16x² + 40x - 2x + 5 = 0

-8x(2x-5) - 1(2x-5) = 0

x = -⅛ , 2.5

0 < x < 2.5

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