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77julia77 [94]
4 years ago
8

How is the rate of change in a real-world linear relationship related to the slope-intercept form of the equation that represent

s the relationship?
Mathematics
1 answer:
timofeeve [1]4 years ago
7 0
The rate of change is the slope, the coefficient of the independent variable divided by the coefficient of the dependent variable. When the coefficient of the dependent variable (usually represented by y) is 1, the slope is just the coefficient of the independent variable (usually represented by x).
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Sofia is learning to knit. After her first three stitches, she had to undo the last two. Then she made three more stitches and a
Marizza181 [45]
She’ll have to make 4 more stitches in order to get 6 good ones. Each time she creates 3 she undoes 2 which after 4 more times would leave her with 6 good stitches.
4 0
3 years ago
Write a system of equations and solve. Three times the first number minus two times the second number equals -7. The second numb
Fynjy0 [20]

Answer:

  • -1 and 2

Step-by-step explanation:

Let the numbers be x and y

<u>Three times the first number minus two times the second number equals -7:</u>

  • 3x - 2y = -7

<u>The second number equals one less than negative three times the first number:</u>

  • y = -3x - 1

<u>Substitute y in the first equation and solve for x:</u>

  • 3x - 2(-3x - 1) = -7
  • 3x + 6x + 2 = -7
  • 9x = -9
  • x = -1

<u>Find the value of y:</u>

  • y = -3(-1) - 1
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The numbers are -1 and 2

8 0
3 years ago
Simplify the expression 6x+12y+5+2y+8
Vlad1618 [11]

Answer:

6x + 12y +5 + 2y + 8 = 6x + 14y + 13

Good luck!

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4 0
4 years ago
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Write the equation of the line, in standard form, that has an x-intercept of 2 and is parallel to 2x y = -5.
Alik [6]
Y=2x-5 because parallel means keep the slope the same and the formula is y=mx+b b is y and y is -5 so your answer is y=2x-5
6 0
3 years ago
What is 73% of 215? please help!!
Sholpan [36]
156.95 is the answer you're looking for
Hope this helps :)
8 0
3 years ago
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