The total surface area of a hemisphere is 300cm2. What is the surface area of the sphere having equal radius to the hemisphere.
1 answer:
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Answer:
n = 35
Step-by-step explanation:
n - 13 x -2 = -44
distribute:
(n x -2) - (13 x -2) = -44
-2n - (-26) = -44
two negatives in front of a number makes it a positive number
so rewrite -2n + 26 = -44
-2n = -44 -26
-2n = -70
n =
n = 35
calc check (35 - 13) x -2 = 22 x (-2) = -44