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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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Mathematics, 21.06.2019 18:30
The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?
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Mathematics, 22.06.2019 05:30
The trapezoid below has been enlarged by a scale of 1.5. what is the area of the enlarged trapezoid?
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What would be the x values for 3x^2-10x +7 = 0?...
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