Mathematics, 30.10.2021 14:00 descampbell2001
Joni climbed 230 feet up a hill and then rappelled down 300 feet into a valley. Evaluate the expression to determine how far Joni was from where she started.
Answers: 3
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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 β0.1315 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 βreal-worldβ examples and uses of cobalt-60
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Mathematics, 21.06.2019 18:00
Solve this system of equations. 12x β 18y = 27 4x β 6y = 10
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Mathematics, 22.06.2019 00:30
What is the value of x? enter your answer in the box. x =
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What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?
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Joni climbed 230 feet up a hill and then rappelled down 300 feet into a valley.
Evaluate the expre...
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