The surface area of hemisphere is given by:

Where r is radius of hemisphere.
We are given diameter = 250 ft.
We know that radius = half of diameter.
Radius of dome = 1/2 (250) = 125 ft.
Now let us plug the value of radius in the formula,

Surface Area of dome = 98125 square foot.
Answer:
we use distributive property.
Step-by-step explanation:
for example:
4(5x+7)=
4x5x=20x
4x7=28
so the answer is:
20x+28
hope this helps : )
Answer:
18 hours
Step-by-step explanation:
2 15
2 15
2 15
2 15
2 15
2 15
2 15
2 15
= 16 +2 = 18 hours
Answer:
$200
Step-by-step explanation:
The y-intercept is where the line meets the y-axis (vertical). The line on the graph appears to go through the point (0, 200).
It would be the second option n^3 (4n+1)