Answers: 2
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 13:50
Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point
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Mathematics, 21.06.2019 21:00
Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years
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Mathematics, 22.06.2019 00:00
What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°
Answers: 2
Use long division to find the quotient. 10.36 = 7=n...
Social Studies, 09.06.2020 00:57
Business, 09.06.2020 00:57
Mathematics, 09.06.2020 00:57
Mathematics, 09.06.2020 00:57
Mathematics, 09.06.2020 00:57
Mathematics, 09.06.2020 00:57
Mathematics, 09.06.2020 00:57
Mathematics, 09.06.2020 00:57
Mathematics, 09.06.2020 00:57
Mathematics, 09.06.2020 00:57
Mathematics, 09.06.2020 00:57
Mathematics, 09.06.2020 00:57