![subject](/tpl/images/cats/mat.png)
Mathematics, 24.10.2019 20:43 sihamabdalla591
Suppose a small quantity of radon gas, which has a half-life of 3.8 days, is accidentally released into the air in a laboratory. if the resulting radiation level is 40% above the safe level, how long should the laboratory remain vacated? (hint: to start with, determine what fraction of the "resulting radiation level" is the maximum safe level.) the laboratory should remain vacated for how many day?
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:00
Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
Graph the line y=4/3 x+1 . use the line tool and select two points on the line.
Answers: 1
You know the right answer?
Suppose a small quantity of radon gas, which has a half-life of 3.8 days, is accidentally released i...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 18:30
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 18:30
![question](/tpl/images/cats/ekonomika.png)
Business, 04.08.2019 18:30
![question](/tpl/images/cats/biologiya.png)
Biology, 04.08.2019 18:30
![question](/tpl/images/cats/istoriya.png)
History, 04.08.2019 18:30
![question](/tpl/images/cats/istoriya.png)
History, 04.08.2019 18:30
![question](/tpl/images/cats/biologiya.png)
Biology, 04.08.2019 18:30
![question](/tpl/images/cats/istoriya.png)
History, 04.08.2019 18:30
![question](/tpl/images/cats/ekonomika.png)
Business, 04.08.2019 18:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 04.08.2019 18:30
![question](/tpl/images/cats/biologiya.png)
Biology, 04.08.2019 18:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 04.08.2019 18:30
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/istoriya.png)
History, 04.08.2019 18:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 04.08.2019 18:30
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 04.08.2019 18:30