One hundred sixty cell phone owners were surveyed.
a. what fraction of owners prefers using t...
Mathematics, 27.10.2019 03:43 jaylanwest12
One hundred sixty cell phone owners were surveyed.
a. what fraction of owners prefers using their cell phone for text messaging or playing games? explain
b. what fraction of owners prefers using your phone to take pictures or text messages?
Answers: 2
Mathematics, 21.06.2019 15:20
Which is the equation of an ellipse with directrices at x = Âą4 and foci at (2, 0) and (â2, 0)?
Answers: 3
Mathematics, 21.06.2019 16:40
The graph of which equation includes the points (0, 10) and (10, 11)? y = 10x + 11 y = x + 10 y= 1/10x + 10 y = 1/10x + 11
Answers: 1
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 â0.1315 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 âreal-worldâ examples and uses of cobalt-60
Answers: 1
Mathematics, 21.06.2019 18:00
Ray ce is the angle bisector of zacd, which statement about the figure must be true? mzecd-mzecb mzace ÂŤ 4mzacd zace - zdcb zecd zacd save and exit
Answers: 1
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