If y varies inversely as x, write a general formula to describe the variation.y = 2 when x = 7
A. y = 
B. y = 
C. y = 
D. y = 
x
Answer: C
Mathematics
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Subtract. Write the answer in lowest terms as a mixed number.
A. 15
B. 14
C. 15
D. 16
Mathematics
Sketch the surface z = f(x,y).f(x, y) = 1 - x - 2y
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Imagine that a small company has four shareholders who hold 28%, 25%, 24%, and 23% of the company's stock. Assume that votes are assigned in proportion to shareholding. Also assume that decisions are made by strict majority vote. Does the individual with 23% hold any effective power in voting?
A. yes B. no
Mathematics
Calculate the circulation of the field F around the closed curve C.F = xyi + 5j , curve C is r(t) = 5 cos ti + 5 sin tj, 0 ? t ? 2?
A. 0
B. 
C. - 
D. 10
Mathematics