Solve the problem.The logistic growth model  represents the population of a bacterium in a culture tube after t hours. When will the amount of bacteria be 760?

A. 6.67 hr
B. 12.71 hr
C. 2.36 hr
D. 8.4 hr


Answer: B

Mathematics

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Solve the problem.On a flywheel with a 79.9-mm radius, how long is an arc subtended by a central angle of 4.07 rad?

A. 325 mm B. 12,991 mm C. 650 mm D. 2043 mm

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Find the volume.Find the volume of the solid generated by revolving the region under the curve  from  to  about the 

A. 9?
B. 18?
C. 9
D. ?

Mathematics

Complete.8.00 T = ___ lb

A. 0.004 B. 0.04 C. 1600 D. 16,000

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Find the area of the shaded region. Round the answer to the nearest hundredth of a meter.

Mathematics