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 14:00
Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !
Answers: 1
Mathematics, 21.06.2019 15:00
Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number
Answers: 2
Mathematics, 21.06.2019 19:00
45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?
Answers: 1
Solve the following 3+X=7...
History, 26.07.2019 02:40
Mathematics, 26.07.2019 02:40
Business, 26.07.2019 02:40
Chemistry, 26.07.2019 02:40
Computers and Technology, 26.07.2019 02:40