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stira [4]
3 years ago
11

(5,-9);slope= -4/3 Write in slope intercept form

Mathematics
1 answer:
Fantom [35]3 years ago
6 0

Answer:

y = 4/3x-7/3

Step-by-step explanation:

Slope intercept form is y=Mx+b; m=slope & b= y intercept

y=-4/3x+b

Now substitute x & y with the point given

(-9)=-4/3(5)+b

-9= -20/3+b

+20/3 +20/3

-7/3=b

Now substitute this into the original equation

y = 4/3x-7/3

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The length of a rectangle is four times its width. If the area of the rectangle is 324m^2, find its perimeter.
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Answer:

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Step-by-step explanation:

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The width is 9 m.

We know the width. Now find the length by using the area formula and inserting known values:

324=l*9

Solve for l. Divide both sides by 9:

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The perimeter is 90 m.

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3 years ago
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