Solve.The amount of tread left on a tire varies inversely as the number of miles the tire has traveled. A tire that has traveled 66,000 mi has 
in of tread left. How much tread will be left on a tire that has traveled 57,000 mi? Express your answer as a simplified fraction.
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Answer: C
Mathematics
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Find the indicated vector.Let u = 
. Find 8u.
A. 
B. 
C. 
D. 
Mathematics
Find the sum of the series.
A. - 
B. 
C. - 
D. 
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Solve the problem.A water tank is formed by revolving the curve y = 2x4 about the y-axis. Find the volume of water in the tank as a function of the water depth, y.
A. V(y) = 
y3/2
B. V(y) = 
y3/2
C. V(y) = 
y1/2
D. V(y) = 
y9
Mathematics
Factor completely. If prime, so state.x2 - 7x + 12
A. (x + 4)(x + 3) B. (x - 4)(x + 3) C. (x - 12)(x - 1) D. (x - 4)(x - 3)
Mathematics