Solve the problem.The shape and density of a thin shell are indicated below. Find the coordinates of the center of mass.Shell: "nose" of the paraboloid x2 + y2 = 2z cut by the plane z = 6Density: ? = 
A.
B.
C.
D.
Answer: C
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Solve. +
=
A. No solution B. -6 C. 0 D. 5
Provide an appropriate response.Simplify by combining like terms: -3x + 7x
A. 4x B. -10x C. -4x D. 21x
Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?
Solve the application. Write the following number in scientific notation.It has been estimated that the average American watches 58,240 hours of television in a lifetime.
A. 5.824 × 105 hours B. 5.824 × 103 hours C. 58.24 × 103 hours D. 5.824 × 104 hours