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Mathematics, 24.06.2019 08:30, kingofguns1560
Solve this inequality: 5a – 12 = 3 giving out 20 points.
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Answers: 1
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The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).
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Solve this inequality: 5a – 12 = 3 giving out 20 points....
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