Use the inverse variation model to find the following.Suppose y varies inversely as x. Find an equation that relates y and x if it is known that y = 49.5 when 
Then use this equation to determine y if x is 81.
A. y = 5.8
B. y = 445.5
C. y = 5.5
D. y = 5.2
Answer: C
Mathematics
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Divide the polynomial by the monomial.
A. 2x + 4 - 
B. 2x - 9
C. 8x + 16 - 
D. 2x2 + 4x - 
Mathematics
Match the vector equation with the correct graph.
r(t) = sin tj - cos tk; 0 ? t ? 
A. Figure 4 B. Figure 2 C. Figure 1 D. Figure 7
Mathematics
Find the perimeter of the specified triangle. Assume the triangles are similar.Find the perimeter of the triangle on the right.
A. 147.5 m B. 115.8 m C. 142.5 m D. 126.5 m
Mathematics
Perform the subtraction. 
A. 630 B. 468 C. 568 D. 566
Mathematics