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Help? Please. Thanks???
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4 votes
Help? Please. Thanks???

Help? Please. Thanks???-example-1
User Steven Carlson
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1 Answer

5 votes

The height is represented by d.

d = 10 feet


10 = - 16 {t}^(2) - 7t + 61 \\ 0 = - 16 {t}^(2) - 7t + 51

Use quadratic formula:

t = 1.58, -2.02 (reject)

1.58 seconds

User COil
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