Answer:
28.25 square units
Step-by-step explanation:
A circumference of the circle is
where r is the radius of the circle.
So,
The area of the circle is
Substitute the value of the radius:
Margaret compared the size of two round kitchen plates. One plate has a diameter of 9 inches and the other plate has a diameter
2 answers:
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Answer:
0.0221 feet per minute.
Step-by-step explanation:
If the Base Diameter = Height of the Cone
The radius of the Cone = h/2
Therefore,
Rate of Change of the Volume,
Since gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. Therefore, the Volume of the cone is increasing at a rate of 10 cubic feet per minute.
We want to determine how fast is the height of the pile is increasing when the pile is 24 feet high.
We have:
When the pile is 24 feet high, the height of the pile is increasing at a rate of 0.0221 feet per minute.