An efficiency study conducted for a company showed that the number of devices assembled by the average worker t hr after starting work at 7 A.M. is given by
?
?
At what time during the morning shift is the average worker performing at peak efficiency?
?
At __________ A. M.
Fill in the blank(s) with the appropriate word(s).
Answer: 8
Mathematics
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Evaluate the formula for the given quantity.d = rt; given r = 56 miles per hour, t = 3 hours
A. d = 168 miles
B. d = 336 miles
C. d = 59 miles
D. d = 
miles
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The base of a solid is the region bounded by the graphs of y = 4 – 
and y = 0. The cross sections perpendicular to the y-axis are equilateral triangles. Find the volume of the solid.
What will be an ideal response?
Mathematics
Simplify.
A. 
B. 
C. 
D. 
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Convert as indicated. When necessary, round to the nearest tenth of a degree.125° F to degrees Celsius
A. 167.4° C B. 257° C C. 51.7° C D. 101.4° C
Mathematics