Need pls i have the answer but have to show my work
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Mathematics, 21.06.2019 14:30
The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.
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Mathematics, 21.06.2019 16:50
The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60
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Mathematics, 21.06.2019 19:10
Which of the following is the shape of a cross section of the figure shown below
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Mathematics, 21.06.2019 21:10
Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation
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Social Studies, 27.07.2019 15:30
English, 27.07.2019 15:30
Mathematics, 27.07.2019 15:30
History, 27.07.2019 15:30
Social Studies, 27.07.2019 15:30
Biology, 27.07.2019 15:30
History, 27.07.2019 15:30
Biology, 27.07.2019 15:30
Biology, 27.07.2019 15:30
Biology, 27.07.2019 15:30