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3 years ago

9

Rayshawn is applying mulch along the fence in his backyard. For every 3 feet of length along the fence, he needs 2 bags of mulch

. The fence is 126 feet long, he has already finished 18 feet. How many more bags of mulch does he need?

1 answer:

Ad libitum [116K]3 years ago

7 0

Rayshawn will need 72 more bags of mulch.
126 minus 18
108 divided by 3
36 times 2
equals 72

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The slope-intercept form of the line equation is:

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Step-by-step explanation:

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y = mx+b

where

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b is the y-intercept

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(3, 4)

Determining the slope between (-1, -2) and (3, 4)

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\left(x_1,\:y_1\right)=\left(-1,\:-2\right),\:\left(x_2,\:y_2\right)=\left(3,\:4\right)$

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Thus, the slope of the line is:

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substituting m = 3/2 and the point (3, 4) in the slope-intercept form of the line equation

y = mx+b

$4=\frac{3}{2}\left(3\right)+b$

switch sides

$\frac{3}{2}\left(3\right)+b=4$

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subtract 9/2 from both sides

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3 years ago

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