Solve.The equation ? = cos-1
gives the phase angle between R and Z in an AC circuit. Find ? if R = 50 ohms and Z = 70 ohms.
A. 0.7°
B. 44.4°
C. 45.6°
D. 135.6°
Answer: B
Mathematics
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What are the advantages of the global matrix structure for the organization operating in the international market? What are the other two types of organizational structure and why have they not been replaced by the matrix structure? What are their advantages and disadvantages?
What will be an ideal response?
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Complete the factoring.x2 - 2x - 48 = (x - 8)( )
A. x - 6 B. x + 6 C. 8 - x D. x2 + 8
Mathematics
Solve the problem.Decide which of the rational functions might have the given graph. 
A. f(x) = 1 + 
B. f(x) = 1 - 
C. f(x) = 
- 1
D. f(x) = 1 - x
Mathematics
Simplify.
A. 
B. - 
C. 
D. - 
Mathematics