Mathematics, 22.06.2019 17:30 david6835
One sample of n=10 scores has a mean of m = 8, and a second sample of n=5 scores has a mean of m=2. if the two samples are combined, what is the mean for the combined sample?
Answers: 2
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 18:30
How to use order of operation in 20 divide by 4 multiply 5 = 1
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Mathematics, 21.06.2019 23:00
Which of the following graphs could represent a cubic function?
Answers: 1
Mathematics, 22.06.2019 02:00
(30 points). the population of a city is 45,000 and decreases 2% each year. if the trend continues, what will the population be aer 15 yrs
Answers: 2
One sample of n=10 scores has a mean of m = 8, and a second sample of n=5 scores has a mean of m=2....
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