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 20:00
The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212
Answers: 1
Mathematics, 22.06.2019 00:00
At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad
Answers: 1
Mathematics, 22.06.2019 00:30
Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6
Answers: 2
Please help me it this question
...
...
Biology, 26.01.2021 19:40
Mathematics, 26.01.2021 19:40
History, 26.01.2021 19:40
Mathematics, 26.01.2021 19:40
Mathematics, 26.01.2021 19:40
Mathematics, 26.01.2021 19:40
Social Studies, 26.01.2021 19:40
Mathematics, 26.01.2021 19:40
Mathematics, 26.01.2021 19:40
Mathematics, 26.01.2021 19:40
Physics, 26.01.2021 19:40
Chemistry, 26.01.2021 19:40