Solve the problem.For a cone, the formula r =  describes the relationship between the radius r of the base, the volume V, and the height h. Find the volume if the radius is 10 inches and the cone is 4 inches high. (Use 3.14 as an approximation for ?, and round to the nearest tenth.)

A. 41.9 cubic in.
B. 418.7 cubic in.
C. 3768.0 cubic in.
D. 104.7 cubic in.


Answer: B

Mathematics

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Use implicit differentiation to find .

8x² + 8y² - 4z² = 2x( y + z)

Mathematics

Find the coordinates of the centroid of the given figure. Each region is covered by a thin, flat plate.The region bounded by the parabola x = y2 and the line x = 9

A. (9, 0)
B.  
C.
D.

Mathematics

Solve.An object is at rest at t = 0 seconds and then begins accelerating at a constant 16 feet per second per second. The distance the object travels in the first t seconds is given by the polynomial 8t2. Find the distance the object travels in the first 10 seconds.

A. 80 feet B. 160 feet C. 800 feet D. 100 feet

Mathematics

Translate into English sentence.17 + y = 10

A. Ten increased by some number is seventeen. B. Seventeen increased by some number is ten. C. The difference of seventeen and some number is ten. D. The sum of seventeen and ten is some number.

Mathematics