Mathematics, 07.11.2019 05:31 mkay78
1/6 of the population take the train to work. if half of these people also drive to the train station, what fraction of the population drive to the station and take a train to work? ?
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Mathematics, 21.06.2019 14:40
Which graph represents the following piecewise defined function?
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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
1/6 of the population take the train to work. if half of these people also drive to the train statio...
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