Answers: 2
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 15:30, jasmine0182lopez
Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.
Answers: 1
Mathematics, 21.06.2019 16:00, heids17043
Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?
Answers: 2
Evaluate 4(3 - 1)2
оа. 32
ов. 64
ос. 16
op. 128...
оа. 32
ов. 64
ос. 16
op. 128...
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