Find an exact value.cos 165°
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the indicated derivative.
if v = t + 
A. t - 
B. 1 - 
C. 1 - 
D. 1 + 
Mathematics
Solve the problem. Use 3.14 for ? and round to the nearest tenth.The discus is thrown from a circular region 8 feet 2 inches in diameter. What is the area of the circle (in square inches)?
A. 7539.1 in2 B. 3769.6 in2 C. 307.7 in2 D. 30,156.6 in2
Mathematics
Use the Remainder Theorem to find the remainder.f(x) = x2 + 2x - 32 is divided by x + 7
A. 5 B. -7 C. 3 D. 0
Mathematics
Solve the problem.Given the technology matrix M and the final demand matrix D stated below, find (I - M)-1 and find the output matrix X.M = 
D = 
What will be an ideal response?
Mathematics