Tìm x, y biết x+y=12
2x=3y...
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Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.
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An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years
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Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,
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