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Evgesh-ka [11]
4 years ago
7

Graph linear equation -3y=2x-7

Mathematics
1 answer:
Keith_Richards [23]4 years ago
3 0

Answer:

Find the attached

Step-by-step explanation:

We are given the following linear equation;

-3y = 2x - 7

In order to graph it, we need to determine at least 3 pairs of points that lie on the line;

we first solve for y by dividing both sides of the equation by -3;

y = (-2/3)x + 7/3

let x be 3;

y = (-2/3)*3 + 7/3

y = 1/3

(3, 1/3)

let x be 6;

y = (-2/3)*6 + 7/3

y = -5/3

(6, -5/3)

let x be 9;

y = (-2/3)*9 + 7/3

y = -11/3

(9, -11/3)

Using the three set of points we graph our linear function. Find the attached;

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G
yan [13]

The unit cost of the fencing and the cost of a bag of mulch together with

the area and perimeter of the garden give a cost sum of $36.5.

Response:

  • The amount required to spend is <u>$36.5</u>

<h3>How does the unit cost determine the total cost?</h3>

Cost of the barrier per feet (unit cost) = $0.75

Area covered by one bag of mulch = 7 square feet

Cost of one bag of mulch (unit cost) = $5

From the given diagram, we have;

Area of the garden = 8 ft. × 2 ft. + 0.5 × 8 ft. × 3 ft. = 28 ft.²

Number \ of \ bags \ of \ mulch \ required = \dfrac{28 \, ft.^2}{7 \, ft.^2/ bag} = \mathbf{ 4 \, bags}

Length of fencing = 2 ft. + 8 ft. + 2 ft. + 5 ft. 5 ft. = 22 ft.

  • Amount to spend = 4 bags × $5 + 22 ft. × $0.75 =<u> $36.5</u>

Learn more about unit cost here:

brainly.com/question/8957825

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