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andriy [413]
2 years ago
9

The line y = mx + c passes through the points (-2, 1) and (4,4).

Mathematics
2 answers:
guapka [62]2 years ago
5 0

Answer:

y = 1/2m + 2

Step-by-step explanation:

1 = -2m + c (1)

4 = 4m + c (2)

 2 = -4m + 2c (1*)

(1*) + (2) =  6 = 3c

                 c = 2

y = mx + 2

4 = 4m + 2

2 = 4m

m = 1/2

so y = 1/2m + 2

             

34kurt2 years ago
3 0

Answer:

Step-by-step explanation:

Insert x for -2 & 4 and y for 1 & 4

1=-2m+c, 4=4m+c

solve the equation, m=1/2, c=2

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Y_Kistochka [10]

The amount of waste is 22 oz

<h3>How to determine the waste amount?</h3>

The weights of the 3 rainbow trouts are:

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2 years ago
In the equation b= a-2, which is the independent variable and which is the dependent variable ? Explain???? need help i don't un
Nataliya [291]
A is independent while b is dependent.

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7 0
3 years ago
Find the equation of this line. y= [?]x+[?]
DochEvi [55]

Answer:

y=3x-4

Step-by-step explanation:

Hi there!

Slope-intercept form: y=mx+b where <em>m</em> is the slope and <em>b</em> is the y-intercept (the value of y when x=0)

<u>1) Determine the slope (</u><u><em>m</em></u><u>)</u>

m=\displaystyle\frac{y_2-y_1}{x_2-x_1} where two points that fall on the line are (x_1,y_1) and (x_2,y_2)

On the graph, two points are highlighted for us: (0,-4) and (2,2). Plug these into the formula:

m=\displaystyle\frac{2-(-4)}{2-0}\\\\m=\displaystyle\frac{2+4}{2}\\\\m=\displaystyle\frac{6}{2}\\\\m=3

Therefore, the slope of the line is 3. Plug this into y=mx+b:

y=3x+b

<u>2) Determine the y-intercept (</u><u><em>b</em></u><u>)</u>

y=3x+b

Recall that the y-intercept occurs when x=0. Given the point (0,-4), the y-intercept is therefore -4. Plug this into y=3x+b:

y=3x+(-4)\\y=3x-4

I hope this helps!

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2 years ago
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Lorico [155]
C. Jasmine bought some tiles to put around her patio. . .

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3 years ago
Kayla get paid $15 to rake the lawn. Kayla get paid 3 times as much to rake the lawn as she does to mow the lawn. How much does
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Answer :

15$  x   3  =  <em><u>45 </u></em>

Step-by-step explanation:

You just have to multiply the amount that kayla gets payed <em>(15$)</em> to the number of times that she mows the lawn <em>( 3 times )</em>.

<em>Then you do the eqaution which is :</em>

<u>15$  x   3   </u>  

<em>And that give you your answer which is:</em>

<u>45</u>                              :)

4 0
3 years ago
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