Solve the equation.9x + 6x + 6 = -9x
A. 
B. 4
C. - 
D. 1
Answer: C
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
Use a calculator to find the approximate value of the expression rounded to two decimal places.cot 0.1859
A. 1.02 B. 5.32 C. 0.19 D. 0.98
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.(x-3)-3
A. -x6
B. 
C. x9
D. 
Mathematics
Solve the equation. Check your solution.0.50x - 0.20(20 + x) = 0.25(20)
A. {40} B. {15} C. {30} D. {20}
Mathematics