Mathematics, 02.03.2020 21:00 JohnStewart714
Four possibilities have probabilities 0.4, 0.2, 0.2 and 0.2 and values $40, $30, $20, and $10 respectively. The expected value is: a. $22 b. $28 c. $26 d. $24
Answers: 1
Mathematics, 21.06.2019 12:50
What is the pattern in the values as the exponents increase?
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Mathematics, 21.06.2019 15:30
Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16
Answers: 2
Mathematics, 21.06.2019 15:40
Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?
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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 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
Four possibilities have probabilities 0.4, 0.2, 0.2 and 0.2 and values $40, $30, $20, and $10 respec...
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