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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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What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?
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Write the fraction or mixed number and the decimal shown by the model
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Mathematics, 21.06.2019 19:30
If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m β 1) : (2n β 1).
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9 + 8 + 9 - 102 + 200 =...
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