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 22:00
Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°
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Mathematics, 22.06.2019 02:00
Aiko jumped rope for 20 min and stopped at 8: 05 when did she start
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Which expressions are equivalent to the following 30x2-5x-10...
Computers and Technology, 16.11.2019 04:31
Computers and Technology, 16.11.2019 04:31
Mathematics, 16.11.2019 04:31