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Mathematics, 21.06.2019 17:50
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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Mathematics, 21.06.2019 21:50
What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?
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Positive square root of 9...
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