![subject](/tpl/images/cats/mat.png)
Mathematics, 06.05.2020 16:57 0055babs
Janice needs to have a gastro-intestinal study. So she is given 375 mg of radiocontrast dye containg Barium-142. The half-life of Ba-142 is 10.6 minutes and its decay is followed by x-ray. After one half-life, of Ba-142 remains. After 31.8 minutes, of Ba-142 remains. After half-lives, 11.7 mg of Ba-142 remains. After minutes, 0.366 mg of Ba-142 remains. Finally, after approximately 3.5 hours - half-lives, only 0.000358 mg remains. The dye is no longer visible to the x-ray and Janice's study is over.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:50
Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
Janice needs to have a gastro-intestinal study. So she is given 375 mg of radiocontrast dye containg...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.05.2020 04:08
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.05.2020 04:08
![question](/tpl/images/cats/istoriya.png)
History, 21.05.2020 04:08
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.05.2020 04:08
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.05.2020 04:08
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.05.2020 04:08
![question](/tpl/images/cats/mat.png)
Mathematics, 21.05.2020 04:08
![question](/tpl/images/cats/mat.png)
Mathematics, 21.05.2020 04:08
![question](/tpl/images/cats/en.png)
English, 21.05.2020 04:08