Simplify.
A. 13
B. 84
C. 14
D. Not a real number
Answer: A
Mathematics
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Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: "nose" of the paraboloid x2 + y2 = 2z cut by the plane z = 1Density: ? = 
A. Iz = 
?
B. Iz = 
?
C. Iz = 16?
D. Iz = 2?
Mathematics
Find the equilibrium solution of the equation of change 
. Round your answer to two decimal places, if nessary.
?
A. 
B. 
C. 
D. 
Mathematics
For an arc length s, area of sector A, and a central angle ? of a circle of radius r, find the indicated quantity.A = 749.4960 ft2, ? = 
, find r.
A. 28.2 ft B. 27 ft C. 9.0 ft D. 31.3 ft
Mathematics
Use cross products to determine whether the pair of fractions is equivalent.- 
and - 
A. equivalent B. not equivalent
Mathematics