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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).
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Mathematics, 21.06.2019 17:30
If i have one apple and give you the apple, how many apples do i have?
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James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out
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21 divided by 15.015 step my step diving decimals...
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