Mathematics, 07.01.2021 21:00 Michcardwell8570
What is the midpoint of the segment joining the points (4, -2) and (-8, 6)
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 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
Answers: 1
Mathematics, 21.06.2019 19:00
You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?
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Mathematics, 21.06.2019 22:10
Erinn wrote the equation β5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?
Answers: 2
Mathematics, 22.06.2019 00:00
Yvaries directly as x. y =90 when x=6. find y when x=13
Answers: 1
What is the midpoint of the segment joining the points (4, -2) and (-8, 6)...
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