30%
hope I helped you with this
1) move the 10 over to the other side which would give you 28.
2) divide by 4 to get x by itself.
ANSWER: 7
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.
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➷ volume = length x width x height
volume = 3.5 x 1.5 x 2
volume = 10 1/2 cubic inches
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Answer:
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Step-by-step explanation:
You just have to expand and you'll get the answer.