Find the surface area generated by rotating the lemniscate r² = 10cos2? about the line ? = ?.
What will be an ideal response?
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Mathematics
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded by the line 
, by the curve 
, and by the line 
, about the line 
.
A. 
?
B. 
?
C. 
?
D. 625?
Mathematics
Use Cramer's rule to solve the system. x + y + z - w = 6 2x - y + 3z + 4w = -4 4x + 2y - z - w = -13 -x - 2y + 4z + 3w = 12
A. 
B. 
C. Can't use Cramer's rule, D = 0
D. 
Mathematics
Provide an appropriate response.Solve for the variable: 
p + 
= 
A. 15
B. - 
C. 
D. 
Mathematics
Find the surface area of the geometric solid. If needed, use 3.14 as an approximation for ? and round the answer to the nearest tenth.Rectangular prism: l = 7 m, w = 4 m, h = 2 m
A. 56 m2 B. 112 m2 C. 50 m2 D. 100 m2
Mathematics