The rectangle below has an area of x^2-9x
2
β9x, squared, minus, 9 square meters and a...
Mathematics, 30.03.2020 21:35 cici65360
The rectangle below has an area of x^2-9x
2
β9x, squared, minus, 9 square meters and a width of x-3xβ3x, minus, 3 meters.
What expression represents the length of the rectangle?
Answers: 2
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Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?
Answers: 1
Mathematics, 21.06.2019 16:50
Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. β n(n β 1)cnxn β 2 n = 2 β 4 β ncnxn n = 1 + β cnxn n = 0
Answers: 1
Mathematics, 21.06.2019 16:50
The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m
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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 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
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