Describe the error in the work shown.
...
Answers: 3
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).
Answers: 1
Mathematics, 21.06.2019 18:30
Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).
Answers: 1
Mathematics, 22.07.2020 14:01
Mathematics, 22.07.2020 14:01
Mathematics, 22.07.2020 14:01
Computers and Technology, 22.07.2020 14:01
Mathematics, 22.07.2020 14:01
English, 22.07.2020 14:01
History, 22.07.2020 14:01
Mathematics, 22.07.2020 14:01
Mathematics, 22.07.2020 14:01
Mathematics, 22.07.2020 14:01
Mathematics, 22.07.2020 14:01
Mathematics, 22.07.2020 14:01