Mathematics, 01.04.2021 05:50 kennyduong04
On two separate occasions, Mr. Johnson needed some electrical work done on his house. He called an electrician from Electrical Outlet in town. The electrician worked 2.5 hours and charged $180 for the first visit. The second time he worked 4 hours and charged $243. Let be the number of hours the electrician works in a single visit, and let be the total amount, in dollars, that the electrician charged for the visit. a. Create the equation that relates the total cost to the time worked. [4 pts] Note: This will be a linear relationship, so start by finding the slope of the line based on the given information. Express the final equation in = + form.
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(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2xβ2 intersect are the solutions of the equation 4x = 2xβ2. (4 points) part b: make tables to find the solution to 4x = 2xβ2. take the integer values of x between β3 and 3. (4 points) part c: how can you solve the equation 4x = 2xβ2 graphically? (2 points)
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On two separate occasions, Mr. Johnson needed some electrical work done on his house. He called an e...
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