Mathematics, 02.06.2020 07:57 hannahmjohnson0443
On a given workday, the rate, in tons per hour, at which unprocessed ore arrives at a refinery is modeled by O (t) = 20 + 10 cos (t2 ÷ 25) where t is measured in hours and 0 <= t <= 10. At the beginning of the workday, t = 0, the refinery has 100 tons of unprocessed ore. During the hours of operation, the refinery processes ore at a constant rate of 25 tons per hour. (A) Find O' (4). Usng correct units, interpret your answer in the context of the problem. (B) How much total ore has been processed by the refinery after the plant has been open for 3 hours. (C) Is the amount of unprocessed ore at the refinery increasing or decreasing at time t = 4 hours? Show the work that leads to your answer (D) Determine the time at which the total rate of ore at the refinery is neither increasing nor decreasing? Justify your answer
Answers: 1
Mathematics, 21.06.2019 18:50, potato3999
Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents
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Mathematics, 21.06.2019 21:30, baltazmapa629n
The length of a field is 100 yards and its width is 75 yards. if 1 inch represents 25 yards, what would be the dimensions of the field drawn on a sheet of paper?
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Mathematics, 21.06.2019 23:10, alemorachis49
You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?
Answers: 2
On a given workday, the rate, in tons per hour, at which unprocessed ore arrives at a refinery is mo...
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