Mr. Foster is starting a new job. His salary for the first year is $30,000. He will receive a 5% raise each year after that. Wri
1 answer:
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Answer:
Doubling the radius of this cylindrical barrel would quadruple the volume.
Step-by-step explanation:
The volume of a cylinder of radius and height
is:
.
If radius stays the same, volume
would be proportional to height
. That is,
. Doubling height
would only double
.
If height stays the same, volume
would be proportional to
, the square of the radius. That is,
. Doubling radius
would quadruple
and thus quadruple
as required.