Answers: 1
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 −0.1315 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 “real-world” examples and uses of cobalt-60
Answers: 1
Mathematics, 21.06.2019 18:00
Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?
Answers: 3
Mathematics, 21.06.2019 19:30
Write an equation for the function that includes the points (2,100)and (3,100)
Answers: 2
Mathematics, 21.06.2019 19:30
Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.
Answers: 1
“If 2n +10 equals 15 what is the value of n + 5?”...
Mathematics, 11.10.2019 22:30
English, 11.10.2019 22:30
Biology, 11.10.2019 22:30
English, 11.10.2019 22:30
Mathematics, 11.10.2019 22:30
Social Studies, 11.10.2019 22:30
Biology, 11.10.2019 22:30
Mathematics, 11.10.2019 22:30