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dylancasebere
29.01.2020 •
Mathematics
Tennis ball thrown upwards from the top of a 30ft high building. it's height, in feet above the ground, t-seconds after it is thrown is given by h=-16t^2+80t+30 algerbraiclly determine the time when the ball reaches its greatest height and what is the height?
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Ответ:
which is, t = 2.5
Then, plug this into the equation to find -16(2.5)^2+80(2.5)+30 = 130.
Ответ:
The one that is most to the right
Step-by-step explanation:
X y
1 -3
2 -5
3 -7
4 -9