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sergeinik [125]
3 years ago
7

Line CD passes through points (0, 2) and (4.6). Which equation represents line CD?

Mathematics
1 answer:
tamaranim1 [39]3 years ago
3 0

Answer:

<h2>y = x + 2</h2>

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

m - slope

b - y-intercept → (0, b)

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

============================================

We have the points (0, 2) → b = 2 and (4, 6).

Calculate the slope:

m=\dfrac{6-2}{4-0}=\dfrac{4}{4}=1

Substitute the values of the slope and the y-intercept to the equation of a line:

y=1x+2

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Answer:

C. 5 miles

Step-by-step explanation:

Since we need to find how many miles they ran together, let us convert feet to miles. Sarah's length is already in miles so we'll leave it that way.

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Okay, let me explain:
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Step-by-step explanation:

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Step-by-step explanation:

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