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Answers: 3
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
Mathematics, 21.06.2019 14:30, purpletart41
Arrange these numbers from least to greatest 3/5 5/7 2/9
Answers: 2
Mathematics, 21.06.2019 19:50, gymnastattack
Drag each tile into the correct box. not all tiles will be used. find the tables with unit rates greater than the unit rate in the graph. then tenge these tables in order from least to greatest unit rate
Answers: 2
Mathematics, 21.06.2019 21:20, pampam49
An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.
Answers: 2
Health, 27.01.2021 22:40
Mathematics, 27.01.2021 22:40
Mathematics, 27.01.2021 22:40
Mathematics, 27.01.2021 22:40
Mathematics, 27.01.2021 22:40
Mathematics, 27.01.2021 22:40
Mathematics, 27.01.2021 22:40