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19 votes
19 votes
Help meeeeeeeeeeeeeee pleaseeeeeee

Help meeeeeeeeeeeeeee pleaseeeeeee-example-1
User Arlo Guthrie
by
2.8k points

1 Answer

7 votes
7 votes

Answer: 10.8 seconds

Explanation:


-16t^2 + 170t+40=10\\\\16t^2 -170t-30=0\\\\t=(-(-170) \pm √((-170)^2 -4(16)(-30)))/(2(16))\\\\t \approx 10.8 \text{ } (t > 0)

User Nikhil C George
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3.3k points