Translate the sentence into an equation.r varies directly as z.
A. r = kz
B. r = 
C. z = 
D. k = rz
Answer: A
Mathematics
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Solve the problem.Find the moment of inertia Iz of the rectangular solid of density 
defined by 
, 
, 
.
A. 352500 B. 312500 C. 290000 D. 102500
Mathematics
Provide an appropriate response.The exact area of the region bounded by the graphs of y = x2 - 4, and the x-axis from x = 0 to x = 4 is
A. 
sq units.
B. 12 sq units.
C. 16 sq units.
D. 
sq units.
E. 
sq units.
Mathematics
If ?XWZ ? ?ZYX and ?XWZ + ?WZY = 180°, then WXYZ is a ________________ .
What will be an ideal response?
Mathematics
Use I = Prt for simple interest to find the indicated quantity.P = $13,500; t = 4 months; I = $517.50. Find r.
A. 11.7% B. 7.7% C. 3.8% D. 11.5%
Mathematics