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blsea [12.9K]
3 years ago
15

PLS HELP ASAP WILL MARK BRAINLIST !!! (If its right, might have to wait a day or to cause i have to see if its right)

Mathematics
2 answers:
fiasKO [112]3 years ago
4 0

Answer:

1)y=3x-2

2)y=x-4

Step-by-step explanation:

1)As we know slope intercept from

y=mx-b

y=3/1x-2

y=3x-2

2)y=mx-b

y=1x-4

  y=x-4

lesya [120]3 years ago
3 0
Hi! I will help with the second pic!

Explanation:

So the first step is too know the formula: y=mx+b (m being the slope and b being the y-intercept)

Now b is what you start with. So for example is your graphing y=3x+4 you would have to go up 4. Then you have too turn the slope into a fraction. So it would be 3/1. Start by going up 4 the go up 3 right one. (This isn’t the answer just an example)

Now for the answer. As we can see the orange line graph starts by going up 2. So that is our y-intercept (our b in the formula)

Now we have too find the point closest too that. Which is (5,1) Okay. Now how much did it go up from 2? It went 3 points up.

So that is our numerator. Now how much did it go to the right? 1 point to the right! So now we have our answer for the orange line one.

Answer:

Y=3x+2
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If its meaning making a profit after the $300 then:
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If you were meaning a profit of $540 total then:
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They would charge $22.50 per necklace.
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