<span>A=2pie r^2 + 2pie rh so get h alone.
first take out the common factor of 2pie 2, so A=2pie r (r+h)
then divide by 2pie r, A/2pie r= r+h
then subtract r, so (A/2pie r) - r= h</span>
To find the number of soccer balls that would be needed to cover the distance to the goal, you will need to find the diameter of the soccer ball.
To find the diameter use be formula for circumference to solve for the diameter.
C = pi x d
28 = 3.14 x d
d = 8.9 inches
The distance to cover is 24 feet, so convert to inches and divide by 8.9 inches.
24 x 12 = 288 inches
288/8.9 = 32.4 balls
You will need about 32 soccer balls to cover the distance.
Answer:
Step-by-step explanation:
is there other options to the question? theres not a lot of info...
Answer:
2.5 seconds since the first ball was hit.
Step-by-step explanation:
The equations that model the heights are:
When the balls meet, both heights are equal, therefore:
-16t² + 56t = -16t² + 156t - 248
-16t² + 56t + 16t² - 156t + 248 = 0
- 100t + 248 = 0
248 = 100t
248/100 = t
t = 2.48 ≈ 2.5
Answer:
684.222222222
Step-by-step explanation: