A spherical party balloon is being inflated by helium pumped in at a rate 3 cubic feet per minute. How fast is the radius growing at the instant when the radius has reached 1 foot? Round your answer to the two decimal places.
?
The volume of a sphere of radius r is .
?

A. 0.72 feet per minute
B. 0.76 feet per minute
C. 0.14 feet per minute
D. 0.64 feet per minute
E. 0.24 feet per minute


Answer: E

Mathematics

You might also like to view...

Decide whether the statement makes sense. Explain your reasoning.I found a rock at the bottom of our swimming pool. It had a mass of 500 grams and a volume of 1000 cubic centimeters, so its density was 0.5 g/cm3.

What will be an ideal response?

Mathematics

A physician writes a prescription for cephalexin 0.5g p.o. t.i.d. × 10d. Assuming that 250mg tablets are available, calculate the number of tablets needed for one dose.

A. 2 B. 4 C. 1/2 D. 1

Mathematics

Assume you have a graph with vertex set V = {A, B, C, D, E} and edge set E = {AB, AE, BD, BE, CD, and DD}.Which of the following [A), B), C) or D)] is not a circuit of the graph?

A. A, B, D, D, B, E, A B. D, D C. E, B, A, E D. A, B, E, A E. none of these

Mathematics

Perform the indicated operations.(8x3 + 2x2) - (7x2 - 5x -1) - (6x3 + x - 5)

A. 14x3 - 9x2 + 4x - 6 B. 2x3 - 3x2 - 4x + 6 C. 2x3 - 5x2 + 4x + 6 D. 2x3 + 5x2 + 6x - 6

Mathematics