Solve the problem.A special stainless-steel cone sits on top of a cable television antenna. The cost of the stainless steel is 
per cm3. The cone has a radius of 3 cm and a height of 14 cm. What is the cost of the stainless steel needed to make this solid steel cone? Round to the nearest cent.
A. $219.91
B. $439.82
C. $659.73
D. $210.00
Answer: C
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Find the flux of the curl of field F through the shell S.F = (z - y)i + (x - z)j + (z - x)k; S: r(r,? ) = r cos?i + r sin?j + (36 - r2)k, 0 ? r ? 6 and 
A. 72? B. -72? C. -144? D. 144?
Solve the problem.For the study described below, identify the population.A manufacturer of light bulbs wants to determine the average lifetime of its 75-watt light bulbs. Among 120 randomly selected 75-watt light bulbs, the average lifetime was 1007 hours.
A. All 75-watt light bulbs manufactured by the company B. The 120 randomly selected 75-watt light bulbs C. All 75-watt light bulbs D. The average lifetime of all 75-watt light bulbs manufactured by the company
Find the impedance for a circuit if its resistance is 16 ê and its reactance is 13 ê.
What will be an ideal response?
Rationalize the numerator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 