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.
Answer: 28.6 miles
Step-by-step explanation:
A = pi r^2
A = 3.14 (3)^2
Now multiply 3.14(3)^3
Your answer is 28.26
* Radius is 1/2 of the diameter.
I believe this is right, but im not sure.
Hope it helps :)
Answer:
(x+8,y-6)
Step-by-step explanation:
it's the number of values that x and y differ
Distribute the two: 2x + 6 = 18
Subtract the six: 2x = 12
Divide by two: x = 6
That's your answer!