![subject](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 16:59 thickness7699
A survey of 1060 randomly selected US teens ages 13 to 17 found that 605 of them say they have made a new friend online
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:50
The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e โ0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some โreal-worldโ examples and uses of cobalt-60
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
In the diagram of circle o, what is the measure of zabc?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:40
Which of the following circles have their centers on the x-axis? check all that apply.
Answers: 1
You know the right answer?
A survey of 1060 randomly selected US teens ages 13 to 17 found that 605 of them say they have made...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 21:00
![question](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 21:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 17.04.2020 21:00
![question](/tpl/images/cats/istoriya.png)
History, 17.04.2020 21:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 21:00
![question](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 21:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 21:00