a jacket has a regular price of $80. it is on sale for 10% off. the sales tax is 7%. cost calculated by first applying a discoun
t, then sales tax. what is the total cost of the jacket including tax?
2 answers:
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Answer:
Step-by-step explanation:
First you need to find the Slope Intercept form or find the point and slope.
The point is: (-2,3)
and the slope is: 1/2
y - 3 = 1/2(x + 2)
y - 3 = 1/2x + 1
y = 1/2x + 1 + 3
y = 1/2x + 4
Slope intercept form: y = 1/2x + 4
Graph is show below ---
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