Solve the problem.Find the mass of a solid right circular cylinder of radius 5 and height 4 if its density at any point is proportional to the square of the distance from that point to the lateral edge of the cylinder.
A. 
?k
B. 
?k
C. 1250?k
D. 
?k
Answer: B
Mathematics
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Find the series' radius of convergence.
A. 2 B. 0 C. ?, for all x D. 1
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Find the equation of the directrix of the conic. Select the correct answer.
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Mathematics
Simplify.m7 ? m-3
A. m10
B. 
C. m4
D. 
Mathematics
Solve the problem.A piece of equipment was purchased by a company for $10,000 and is assumed to have a salvage value of $3,000 in 10 years. If its value is depreciated linearly from $10,000 to $3,000, find a linear equation in the form V = mt + b, t time in years, that will give the salvage value at any time t, 
A. T = - 700V + 10,000 B. V = - 700t + 10,000 C. V = - 700t - 10,000 D. V = 700t + 10,000
Mathematics