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galina1969 [7]
3 years ago
10

Plz answer the question attached

Mathematics
1 answer:
Agata [3.3K]3 years ago
4 0

Answer:

y = -2x + 5

Step-by-step explanation:

To find the slope, you need to pick two points and put into the slope formula.  It doesn't matter which ones, you will get the right answer regardless.  I used (-3, 11) and (2, 1).

m=\frac{y_{2} -y_{1} }{x_{2} -x_{1} } \\m=\frac{11 -1 }{-3 -2 } \\m=\frac{10 }{-5 } \\m=-2

Now that you have the slope, you can plug it into point-slope form to find the equation in slope-intercept form.  You will also need to plug one of the given points.  Again, it doesn't matter which one.

y-y_{1}=m(x-x_{1} )\\y-1=-2(x-2)\\y-1=-2x+4\\y=-2x+5

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So, total money made by selling  x pendants =  $13.50 \times x

For making profit, total money made must be greater than the total cost.

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Learn more about vertex form here:brainly.com/question/17987697

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