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Mathematics, 21.06.2019 13:30
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).
Answers: 1
Mathematics, 21.06.2019 14:30
Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required
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Mathematics, 22.06.2019 01:00
The random variable x is defined as the number marking the sector in which the arrow lands when the spinner in the diagram is spun once.
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Mathematics, 22.06.2019 04:30
In his stamp album ,jamal has 48 new stamps and 72 used stamps. which ratio can be represented by 3/5
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Consider the equation -5x+10x+3=5x+6...
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