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
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Mathematics, 21.06.2019 19:00
The area of square garden is 300m squared. how long is the diagonal?
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Mathematics, 21.06.2019 20:00
You wanted to draw an enlargement of design that printed on a card that is 4 in by 5
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Mathematics, 21.06.2019 20:00
Which expression is rational? 6. , square root two, square root 14, square root 49
Answers: 1
Explain how knowing 1+7 you find the sum for 7+1...
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