What is the radius of 12 cm ?
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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
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Mathematics, 21.06.2019 20:30
Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.
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Mathematics, 21.06.2019 22:30
Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal
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Mathematics, 21.06.2019 23:30
Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?
Answers: 1
Biology, 16.07.2019 12:30
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History, 16.07.2019 12:30
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Mathematics, 16.07.2019 12:30
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English, 16.07.2019 12:30
Mathematics, 16.07.2019 12:30
English, 16.07.2019 12:30
Mathematics, 16.07.2019 12:30