Solve the simultaneous equations. 3x-4y = 18 and 9x + 2y = 12. Write your final answer on one line in the form x = .... , y= ...
2 answers:
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The height is modelled by the equation:
Therefore
At the maximum height dh/dt = 0:
Hence,
Hence, the ball gets to the maximum height after 5s.
The maximum height is given by h(5):
Therefore, the maximum height is 5 ft.
When the ball reaches the ground h(t) = 0:
The ball reaches the ground in 10s
.
