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Acertain alloy contains 5.25% copper. how much is there in a piece weighing 200 pounds?
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On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
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Which of the following circles have their centers in the third quadrant?
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Acertain alloy contains 5.25% copper. how much is there in a piece weighing 200 pounds?...
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