Find the perimeter of each figure. For Exercise 29, find the area also.
A. area: ft2; perimeter: 1
ft
B. area: ft2; perimeter: 1
ft
C. area: in2; perimeter: 1
in
D. area: ft2; perimeter:
ft
Answer: B
Mathematics
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. Hint: Let
and then convert to spherical coordinates.
A. 75?2 B. 100? C. 100?2 D. 75?
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Solve the problem.Find the center of mass of the hemisphere if the density is proportional to the distance from the center.
A.
B.
C.
D.
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Solve the problem.State whether the vectors v = i + j and w = i - 4j are orthogonal.
A. orthogonal B. not orthogonal
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A. 7
B. 6
C. 7
D. 8
Mathematics