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Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?
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Mathematics, 21.06.2019 13:30
What value is equivalent to 5 + [5 Ă— (4 + 2)]? a) 35 b) 45 c) 60 d) 110
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Solve the exponential equation 1/2^x-5=8^x...
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