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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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36x2 + 49y2 = 1,764 the foci are located at: a) (-√13, 0) and (√13,0) b) (0, -√13) and (0,√13) c) (-1, 0) and (1, 0)
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In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale
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Mathematics, 22.06.2019 04:00
Robin and john each a a 12 inch pizza about how many square inches of pizza did they eat? estimate how much pizza they ate
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Slopes— what is ( -11, 6 ) ( 17, 16? )...
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