Mathematics, 18.10.2019 11:30 4300252063
It takes 40 minutes for 8 people to paint 4 walls. how many minutes does it take 10 people to paint 7 walls?
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 19:00
What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)
Answers: 2
It takes 40 minutes for 8 people to paint 4 walls. how many minutes does it take 10 people to paint...
Computers and Technology, 28.08.2019 18:10
Biology, 28.08.2019 18:10
History, 28.08.2019 18:10
English, 28.08.2019 18:10
History, 28.08.2019 18:10
Computers and Technology, 28.08.2019 18:10
Computers and Technology, 28.08.2019 18:10