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chicagochica5

  • 3 years ago

If an object is dropped from a height of 144 feet, the function h(t)=-16t^2 + 144 gives the height of the object after t seconds. When will the object hit the ground?

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  1. chicagochica5
    • 3 years ago
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    A. 9 s B. 6 s C. 1.5 s D. 3 s

  2. febylailani
    • 3 years ago
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    h(t)=-16t^2 + 144 is this formula right?

  3. chicagochica5
    • 3 years ago
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    Yes thats the right formula @febylailani

  4. qpHalcy0n
    • 3 years ago
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    Here, you can set it equal to zero and factor.

  5. chicagochica5
    • 3 years ago
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    I think the answer is D

  6. qpHalcy0n
    • 3 years ago
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    You'd be correct.

  7. chicagochica5
    • 3 years ago
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    Thanks!

  8. febylailani
    • 3 years ago
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    oooh.. sorry, he's 1st xD

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