exam Maths Puzzle Numerical Ability

The height h in feet of an object after t seconds is given by the function below
How long will it take the object to hit the ground?

h= -(16 ft/sec^2)t^2 +(60ft/sec)t+34ft

Read Solution (Total 0)

exam Other Question

please show me how to do solve by addition I get confused when one equation is neg and the other is pos. like this problem
x+y=2
x-y=4
Please help. The area A of a triangle with base b and height h is given by A=1/2bh. Find the area when b=20 m(meters) and h=22 m.

Thank you so much.