Can somebody please show me how to do this?
2 answers:
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Using a graphical tool we obtain that the solution of this system
(intersection between the lines)
is given by the point (x,y) = (2,4)
(intersection between the lines)
is given by the point (x,y) = (2,4)
Answer:
t = 5 seconds
Step-by-step explanation:
It is given that, the height h, in feet of a ball above the ground is given by :
Where t is in seconds
We need to find how long does it take the ball to hit the ground? When it hits the ground, its height will be equal to 0. So,
Neglecting negative time.
It means ball will take 5 seconds to hit the ground.