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:
98
Step-by-step explanation:
Add them all up. 60+20= 80+18 = 98.
Answer:
f(3)= 33
Step-by-step explanation:
hello :
f(x) =8x+9
put x = 3 you have : f(3) =8(3)+9 = 24 + 9 =33
The correct answer to this question is letter b.There are only three steps in constructing a circle circumscribed by a triangle. He is done with the first step. Use the compass to find the perpendicular bisector for side DF. I hope I have helped you.