Find the indicated root or state that the expression is not a real number.
A. 6
B. 
C. not a real number
D. 1
Answer: D
Mathematics
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Round to the nearest tenth.0.42
A. 0 B. 0.4 C. 0.5 D. 0.3
Mathematics
Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: upper hemisphere of x2 + y2 + z2 = 9 cut by the plane z = 0Density: ? = 4
A. Iz = 216? B. Iz = 36? C. Iz = 54? D. Iz = 432?
Mathematics
Identify the curve as simple, closed, both, or neither.
A. Closed B. Neither C. Both D. Simple
Mathematics
Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = 2x2 - 19x + 42
A. (7, 0), (3, 0), (0,42)
B. (7, 0), (3, 0), (0,-42)
C. (6, 0), (- 
, 0), (0,-42)
D. (6, 0), (
, 0), (0,42)
Mathematics