For this case we have by definition, that the volume of a sphere is given by:

Where:
r: It is the radius of the sphere
If the radius is divided by 3 we have:


ANswer:
the volume decreases considerably because the denominator increases
Varying inversely means y=a number divided by x
find the number: 7=k/5 =>k=35
so the equation is y=35/x
Answer:
A = arctan(BC/CA) = arctan(8/2) = 75.96 deg
Hope this helps!
:)
Answer:
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Step-by-step explanation:
6 is in the ten millions place. The number next to 6 is 1, which is less than 5, so you round down. The nearest 10 million is 60,000,000.