Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the center of mass of the thin rod with the given density function.Find the center of mass of a thin rod that lies along the semicircle y = 
if the density of the rod is 
A. 
= 
?, 
= 
?
B. 
= 
?, 
= 
?
C. 
= 0, 
= 
?
D. 
= 0, 
= 
?
Mathematics
Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.B = 75°, b = 2, c = 4
A. one triangle C = 39°, A = 66°, a = 10 B. one triangle C = 37°, A = 68°, a = 8 C. one triangle B = 38°, A = 67°, a = 6 D. no triangle
Mathematics
Solve.132 - x - x2 > 0
A. -11 < x < 12 B. x < 11 or x > 12 C. x < -12 or x > 11 D. -12 < x < 11
Mathematics
Graph the system of inequalities.-x + 2y ? -63x + 2y > -18
A. 
B. 
C. 
D. 
Mathematics