Answers: 1
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
Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17Ï€/6 (b) tan 13Ï€/4 (c) sec 11Ï€/3
Answers: 2
Mathematics, 21.06.2019 18:00
George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain
Answers: 1
Mathematics, 21.06.2019 20:00
Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org
Answers: 1
Angles a and c are supplementary find the measure of angle c...
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