3 years ago

Write the equations of the following lines. a The line is parallel to y=3x+2 and passes through the point (0,0).

1 answer:

7 0

Y-0= 3(x-0)

y= 3x is the answer

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andrezito [222]

Answer:

$y=0.2x+284$

Step-by-step explanation:

Let x be the distance driven, d-distance and C our constant.

Our information can be presented as:

$y=mx+c\\\\450=830x+C\ \ \ \ \ \ \ \ \ eqtn 1\\\\380=480x+C\ \ \ \ \ \ \ \ \ eqtn 2$

#Subtracting equation 2 from 1:

$70=350x\\x=0.2$

Hence the fixed cost per mile driven, $x$ is $0.20

To find the constant, $C$ we substitute $x$ in any of the equations:

$450=830x+C\ \ \ \ \ \ \ X=0.2\\\therefore C=450-830\times0.2\\=284$

Now, substituting our values in the linear equation:

$y=0.2x+284$ #y=cost of driving, x=distance driven

Hence the linear equation for the cost of driving is y+0.2x+284

7 0

3 years ago

ella [17]

You have to do 25 divided by 4, which is 6.35.

5 0

3 years ago

grandymaker [24]

I think it’s 13 not sure tho(put a degree symbol on 13)

7 0

2 years ago

lesya [120]

Answer:

If you go to desmos.com, select the graphing calculator, and enter in y = 3x you should be able to see how it's graphed! Hope this helps!

5 0

3 years ago

oee [108]

Is there a picture to this?

5 0

3 years ago