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1 vote
Efficiency washing machine over a given number of years?

Option 1: y = 25x 500y
Option 2: 25x 525y
Option 3: 50x 500y
Option 4: 50x 525

User AdityaDees
by
8.2k points

1 Answer

3 votes

Final answer:

In the equation y = 25 + 20x, the independent variable is the number of hours of work, the dependent variable is the total amount of money Ethan earns per visit, the y-intercept is $25, and the slope is $20 per hour of work.

Step-by-step explanation:

The independent variable in the equation y = 25 + 20x is the number of hours of work, represented by x. The dependent variable is the total amount of money Ethan earns per visit, represented by y. The y-intercept of the equation is 25, which means that even if Ethan doesn't do any work, he still charges a flat fee of $25. The slope of the equation is 20, which means that for every hour of work, Ethan charges an additional $20. This can be interpreted as the cost per hour of work.

User Simon Kissane
by
8.9k points
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