Mathematics, 06.05.2020 13:57, mraymundo025p0gpw9
At time t = 0 a ball is thrown straight up from a height of 48 metres above the ground. After t seconds its height h, in metres, above the ground is given by h = 48 + 16 β 4^2.
a) What are the possible values for t?
b) Calculate the maximum height of the ball above the ground.
c) How long does it take the ball to return to the ground level?
d) Determine at what time the ball is at the height of 28 m.
Answers: 2
Mathematics, 21.06.2019 20:50, jahootey2798
You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2
Answers: 1
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