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julia-pushkina [17]
3 years ago
11

The equation p=100−4t represents the percent p of battery power remaining in an MP3 player after t hours.

Mathematics
1 answer:
fenix001 [56]3 years ago
6 0

Answer:

Step-by-step explanation:

Here time (t) is the independent variable; power (p) is the dependent one.

The graph of p = 100 - 4t is a straight line with slope -4.  100 is the vertical intercept.  Battery power begins at 100 and steadily decreases after that.

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irinina [24]

Answer:

B. The fixed rental for the book

Step-by-step explanation:

Kylie borrowed a book from a library. The library charged a fixed rental for the book and a late fee for every day the book was overdue. The expression below shows the charges Kylie paid for the book when she returned it x days after the due date:

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The slope-intercept form of a line is:

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Looking at the graph, we can see that the line intersects the y-axis at y = 7. So 7 would be our y-intercept.

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I hope you find my answer and explanation to be helpful. Happy studying.

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