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Mathematics, 22.06.2019 00:00, keshjdjsjs
The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels
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Mathematics, 22.06.2019 00:10, juliapreciiado
Hello, i need compare km^2 and km. what's difference in this?
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Do you know the correct answer?
(4^2 - 2^2 x 3)^2 - 7...
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