Mathematics, 21.07.2019 02:50 bakaoffire
Ajeweler has five rings, each weighing 18 grams, made of an alloy of 10% silver and 90% gold. he decides to melt down the rings and add enough silver to reduce the gold content to 45 %. how much silver should he add?
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The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96
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Ajeweler has five rings, each weighing 18 grams, made of an alloy of 10% silver and 90% gold. he dec...
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