Mathematics, 15.07.2019 04:30 naomicervero
Which equation represents a linear function? a) y = 9 - x b) y = x^2 + 1 c) y = |x| - 9
Answers: 2
Mathematics, 21.06.2019 16:20
Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0
Answers: 3
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
Answers: 1
Mathematics, 21.06.2019 17:30
How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples
Answers: 1
Mathematics, 21.06.2019 17:30
Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?
Answers: 3
Which equation represents a linear function? a) y = 9 - x b) y = x^2 + 1 c) y = |x| - 9...
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