HELP lol 13 point ITS FOR MY MATH TEST
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Answers: 3
Mathematics, 21.06.2019 13:30, love0000
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 16:00, anthonyjackson12aj
What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.
Answers: 1
Social Studies, 31.07.2019 18:00
History, 31.07.2019 18:00