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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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Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?
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An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.
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