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mixer [17]
3 years ago
15

Write the equation of the line that passes through points (-4, 5) and (0,13) in slope-intercept form.

Mathematics
1 answer:
LiRa [457]3 years ago
8 0

Answer:

The answer is

y = 2x + 13

Step-by-step explanation:

Remember:

Slope-intercept form: \:  \\ y = mx + b \\  \\ m = slope \\ b = y - intercept

M =  \frac{y_2 - y_1}{x_2 - x_1}

First: Find the slope.

M =  \frac{13 - 5}{0 - ( - 4)} =  \frac{8}{4}   = 2

.

Second: Solve for the y-intercept

y = mx + b \\ 5 = 2( - 4) + b \\ 5 =  - 8 + b \\   \frac{+ 8 =  + 8 \:  \:  \:  \:  \:  \:  \:  \: }{13 = b}

.

Third: Plug in.

y = mx + b \\ y = 2x + 13

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Answer:

$7.33

Step-by-step explanation:

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Answer:

Alicia is the golfer who has had the lowest number of strokes per hole

Step-by-step explanation:

we know that

The unit rate of the number of strokes per hole is equal to divide the number of strokes by the number of holes

Let

x ----> the number of strokes

y ----> the number of holes

we have

<em>Roy</em>

x=42\ strokes\\y=9\ holes

\frac{x}{y}=\frac{42}{9}=4.67\ strokes\ per\ hole

<em>Alicia</em>

x=79\ strokes\\y=18\ holes

\frac{x}{y}=\frac{79}{18}=4.39\ strokes\ per\ hole

<em>Rickie</em>

x=123\ strokes\\y=27\ holes

\frac{x}{y}=\frac{123}{27}=4.56\ strokes\ per\ hole

Compare

4.39 < 4.56 < 4.67

therefore

Alicia is the golfer who has had the lowest number of strokes per hole

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2 years ago
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2 years ago
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Answer:

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Step-by-step explanation:

Lets look at the options one by one

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