yanicas
17.06.2021 •
Mathematics
A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation, find the time that the rocket will hit the ground, to the nearest 100th of second. y=-16x^2+119x+57
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Ответ:
Time required to hit the ground is 7.9 s.
Step-by-step explanation:
The height of the rocket is given by
For the time to hit the ground, put y = 0
Time cannot be negative, so time to hit the ground is 7.9 s.
Ответ:
When you use 2 GB
Step-by-step explanation:
Data Plan a Formula 35(12p)
P = per GB
Data Plan B 25(17p)
Set each on equal to each other
Please Check my work, but I think this is on the right track.