Mathematics, 02.03.2020 21:47 jpsaad00
Oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well. Initially there were 3 million barrels of oil in the well; six years later 1,500,000 barrels remain. Let's Q(t) be the number of barrels left in the well after t years, measured in millions. Write a differential equation for Q that captures the information in the problem. Use K>0 for any proportionality constant you need. Be careful about signs.
Answers: 2
Mathematics, 21.06.2019 15:30
Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?
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Mathematics, 22.06.2019 02:00
Graph a triangle (xyz) and reflect it over the line y=x to create triangle xāyāzā. describe the transformation using words. draw a line segment from point x to the reflecting line, and then draw a line segment from point xā to the reflecting line. what do you notice about the two line segments you drew? do you think you would see the same characteristics if you drew the line segment connecting y with the reflecting line and then yā with the reflecting line? how do you know?
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The hockey team has been great! in 2008 they won 20% more games than in 2007. in 2009 they won 50% more games than in 2008. what was their overall percentage increase from 2007 through 2009?
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Mathematics, 22.06.2019 03:50
What is the 8th term of the geometric sequence with this explicit formula? an= )(n-1)
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Oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well....
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