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guapka [62]
3 years ago
15

1. Find the distance between the two numbers on a number line. Write your awnser as a mixed number.

Mathematics
1 answer:
guapka [62]3 years ago
6 0

Answer:

  1. 3 1/4
  2. 10.6
  3. 3 1/3

Step-by-step explanation:

  • <em>The distance = number to the right - number to the left</em>

1..................................................................

  • -2 1/2 - (-5 3/4) = -5/2 + 23/4 = - 10/4 + 23/4 = 13/4 = 3 1/4

2...................................................................

  • 8.4 - (-2.2) = 8.4 + 2.2 = 10.6

3...................................................................

  • -3 2/3 - (- 7) = -11/3 + 7 = - 11/3 + 21/3 = 10/3 = 3 1/3

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Answer:

\huge\boxed{y=-\frac{1}{7}x+ 10}

Step-by-step explanation:

In order to find the equation of this line, we need to note two things.

  • A) The slope of two lines that are perpendicular will be opposite reciprocals (that is, multiplying them gets us -1.)
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So first, let's find the opposite reciprocal of 7 which will be the slope to this equation.

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So the slope of this line will be -\frac{1}{7}. The y-intercept will change, and we can substitute what we know into the equation y=mx+b.

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Now, we can substitute a point on the graph (14, 8) into this equation to find b.

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Now that we know the y-intercept, we can finish off our equation by plugging that in.

y = -\frac{1}{7}x + 10

Hope this helped!

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