Solve the problem.The stretch in a loaded spring varies with the load it supports. If the spring stretches 6 cm for every pound of load added, find the distance in centimeters that the spring has stretched when 7 pounds are added.
A. 7 cm
B. 42 cm
C. 13 cm
D. -1 cm
Answer: B
Mathematics
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Solve the problem.Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. A vending machine will only accept coins weighing between 5.47 g and 5.77 g. What percentage of legal quarters will be rejected?
A. 2.48% B. 0.0196% C. 3.95% D. 1.62%
Mathematics
Find the volume of the figure.
A. 1.57 m3 B. 37.68 m3 C. 4.71 m3 D. 9.42 m3
Mathematics
Find all real numbers that satisfy the equation. Round approximate answers to the nearest hundredth.2 sin(?x) = 
A. {x|x = 0.33 + k or x = 1.67 + k} B. {x|x = 0.33 + k or x = 0.67 + k} C. {x|x = 0.33 + 2k or x = 0.67 + 2k} D. {x|x = 0.17 + 2k or x = 0.83 + 2k}
Mathematics
Multiply.(5m3z4)(2m2z2)
A. 10mz6 B. 10mz5 C. 10m5z D. 10m5z6
Mathematics