Find the volume of the solid. Use  for ?.

A. 71 cu in.
B. 13 cu in.
C. 2 cu in.
D. 23 cu in.


Answer: D

Mathematics

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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = (4x - 2y)5

A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines  c ? 0
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines  c ? 0
C. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
D. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 

Mathematics

Find zw or  as specified. Leave your answer in polar form.z = 5(cos 35° + i sin 35°)w = 2(cos 40° + i sin 40°)Find zw.

A. 7(cos 50.9° + i sin 50.9°) B. 7(cos 75° + i sin 75°) C. 10(cos 50.9° + i sin 50.9°) D. 10(cos 75° + i sin 75°)

Mathematics

Find the probability.A bag contains 8 red marbles, 5 blue marbles, and 9 green marbles. What is the probability of choosing a blue marble when one marble is drawn?

A.  
B.  
C.
D.  

Mathematics

Use the compound interest formula to determine the final value of the given amount.$480 at 6% compounded quarterly for 7 years

A. $721.74 B. $248.27 C. $717.50 D. $728.27

Mathematics