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Solution set system of equation is (-6,29) and y=x^2-2x-19 y+4x=5
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How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?
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Find two consexutive odd integers such that the sum of their square is 650
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Solution set system of equation is (-6,29) and y=x^2-2x-19 y+4x=5...
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