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IceJOKER [234]
3 years ago
13

Find an equation for the line that passes through the points (-4.-2) and (5,1)

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
6 0

Answer:

y= \frac{1}{3}x-\frac{2}{3}

Step-by-step explanation:

The first step to making an equation of a line is finding the slope. To do this, we can use the point slope formula: \frac{y_2-y_1}{x_2-x_1}

In this case,

y2=1

y1= -2

x2=5

x1= -4

plug this into the formula: \frac{1-(-2)}{5-(-4)}, which gives us 3/9, or 1/3 as the slope.

Now we have the equation y=1/3x+b. Let's find b! We can do this by plugging in one of the points into our new equation, let's use (5,1)

1=y, 5=x

1=\frac{1}{3}(5)+b

b= -\frac{2}{3}

now, we plug b= -2/3 into our equation, and we finally get y= \frac{1}{3}x-\frac{2}{3}

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What is the coefficient in 3x/5
Luden [163]
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3 years ago
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) What would the value of c be when
jasenka [17]

The value of c is 233.3

Step-by-step explanation:

Given equation is:

\frac{18}{20}c-250=-40

To find the value of c, we have to isolate c on one side of the equation

So,

Adding 250 on both sides

\frac{18}{20}c-250+250=-40+250\\\frac{18}{20}c=210

Multiplying by 20 on both sides

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Dividing both sides by 18

\frac{18c}{18}=\frac{4200}{18}\\c=233.3333

Rounding off to the nearest one decimal place

c=233.3

The value of c is 233.3

Keywords: Linear Equation, Solution of linear equation

Learn more about linear equations at:

  • brainly.com/question/3799248
  • brainly.com/question/3950386

#LearnwithBrainly

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3 years ago
A. x +4 &lt;7<br> linear inequality
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Answer:

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Step-by-step explanation:

x + 4 < 7

x < 7 - 4

x < 3

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