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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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Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g
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Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?
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Divide reduce the answer to lowest term 3/7 divided 1 1/6
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2+2+2+2+2+2+2+2+2+2+2+2+2+3+33...
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