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marishachu [46]
2 years ago
7

The function f(x) = 2.5x + 75 is used to model the cost

Mathematics
1 answer:
ddd [48]2 years ago
7 0
More likely answer is D. I hope you pass
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How do i solve the system of equations by graphing?<br>2x+y=7 <br>x-2y=6
scoray [572]

Answer:


Step-by-step explanation:

1. y = -2x + 7

2. Graph it (Mark (0, 7) or 7 on the y axis and go over one, down two, mark it and draw a line through both)

3. -2y = -x + 6

4. divide entire equation by 2 to isolate y

5. -y = -x + 3

6. multiply entire equation by -1 to make it positive

7. y=x+3

8. graph it (Mark (0,3) and go over one, down one, mark it and draw a line through both new points)

9. Where the lines intersect is your answer

8 0
3 years ago
Will give brainliest.
lesya692 [45]

Answer:

1. y = \frac{-A}{By}x + \frac{C}{By}

2. Divide the Opposite of A and B

3. Doesn't make sense the y-intercept is C/By sry I can't help that one

Step-by-step explanation:

1. Ax + By = C

By = -Ax + C

y = \frac{-A}{By}x + \frac{C}{By}

2. No explanation

3 0
2 years ago
Lisa needs 250 yards of yarn to knit a hat. She has 185 yards of yarn and needs to buy the rest. How many yards of yarn does she
Alecsey [184]

Answer:

it's answer is y + 185 = 250; y = 65

hope it helps you

6 0
3 years ago
The volume of a cube is 125 cubic inches. What is the<br> length of one edge of the cube?
Tcecarenko [31]

Step-by-step explanation:

All the edges of a cube have the same length, and the volume of a cube is the length of an edge taken to the third power. So the length of the edge of a cube with a volume of 125 is 5.

6 0
3 years ago
If I bought an outfit for $24.50 and sales tax is 8%, how much will I have to pay in all? *
aleksley [76]

Answer:

26.46

Step-by-step explanation:

24.50 x .08 = 1.96 (this is our sales taxes)

1.96 + 24.50 = 26.46

8 0
2 years ago
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