![subject](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 16:30 jahyra11
If the half-life of a sample of a radioactive substance is 30 seconds, how much would be left after 60 seconds?
a. one-fourth
b. half
c. one-eighth
d. you would need to know how many atoms you are starting with.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:00
The image of the point (-6, -2)under a translation is (β7,0). find the coordinates of the image of the point (7,0) under the same translation.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:10
Of jk j(β25, 10) k(5, β20). is y- of l, jk a 7: 3 ? a. β16 b.β11 c. β4 d.β1
Answers: 1
You know the right answer?
If the half-life of a sample of a radioactive substance is 30 seconds, how much would be left after...
Questions
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.10.2020 22:01
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 06.10.2020 22:01
![question](/tpl/images/cats/himiya.png)
Chemistry, 06.10.2020 22:01
![question](/tpl/images/cats/istoriya.png)
History, 06.10.2020 22:01
![question](/tpl/images/cats/mat.png)
Mathematics, 06.10.2020 22:01
![question](/tpl/images/cats/istoriya.png)
History, 06.10.2020 22:01
![question](/tpl/images/cats/biologiya.png)
Biology, 06.10.2020 22:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 06.10.2020 22:01
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 06.10.2020 22:01
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.10.2020 22:01
![question](/tpl/images/cats/mat.png)
Mathematics, 06.10.2020 22:01
![question](/tpl/images/cats/istoriya.png)
History, 06.10.2020 22:01
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 06.10.2020 22:01