Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the semicircle 
to the semicircle 
.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region R bounded by the graphs of the given equations about the 
.y = 
, y = 0, between x = 0 and x = 
A. 2?
B. 
?
C. 14?
D. 7?
Mathematics
Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 4
A. 
= - 
; 
= - 
B. 
= - 
; 
= - 
C. 
= - 
; 
= - 
D. 
= 
; 
= 
Mathematics
For the pair of similar triangles, find the missing side n. Round to the nearest tenth when necessary.
A. n = 11 m B. n = 5 m C. n = 10 m D. n = 15 m
Mathematics
Solve the problem.A nail 5
inches long is driven into a board 2
inches thick. How much of the nail protrudes from the other side of the board?
A. 
inch
B. 2
inch(es)
C. 
inch(es)
D. 5
inch(es)
Mathematics