Mathematics, 31.03.2021 03:30, alexandriasmith727
4. A circle has a radius of 4.5 m. Which of the following best represents the area of the circle? 10 points, Work required for full credit. A. A = 64 m2 O B. A = 28 m2 OC. A = 14 m2 O D. None of these
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
4. A circle has a radius of 4.5 m. Which of the following best represents the area of the circle? 10...
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