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Daniel [21]
3 years ago
12

PLEASE HELPP!!!!!! 50 POINTS y= -2x+4y Complete the missing value in the solution to the equation. (_,-2)

Mathematics
2 answers:
nexus9112 [7]3 years ago
6 0

Answer:

-3

Step-by-step explanation:

y = -2x+4y

It is given (_,-2), (x,y).

We must find the x coordinate.

Put y as -2.

(-2)= -2x+4(-2)

-2 = -2x+-8

2x = -8 + 2

2x = -6

2x/2 = -6/2

x = -3

Gemiola [76]3 years ago
3 0

Answer:

-3

Step-by-step explanation:

1. Plug in -2 for y, because it is the y value in the coordinates

2. Simplify -2 = -2x + 4(-2)

3.That simplifies to -2 = -2x - 8

4. Add 8 to both sides to get 6 = -2x

5. Divide both sides by -2

6. x = -3

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lara [203]

Answer:

It will take 39.27 gallons to repaint the barn.

Step-by-step explanation:

The image of the setup is obtained from online and attached to this solution.

The rectangular prism is a cuboid of

Length = 84 ft

Breadth = 38 ft

Height = 20 ft

And the triangular prism on top of the rectangular prism has a vertical height of 12 ft.

The surface area of the composite structure that is available for painting include the 4 sides of the top triangular prism and the four sides of rectangular prism

Two of the faces of the triangular prism are triangles with base of 38 ft and height of 12 ft.

The other two faces of the triangular prism are rectangles with length 84 ft and breadth of the hypoteneuse of the right angled triangle on top.

B² = 12² + 19²

B = 22.47 ft

Total Surface area of the faces of the rectangular prism is then

2×(84×20) + 2×(38×20) = 4880 ft²

Total surface area of the faces of the triangular prism is then

2×(0.5×12×38) + 2×(84×22.47) = 4,230.96 ft²

Total surface area = 4880 + 4230.96 = 9110.96 ft²

1 gallon of paint = 232 ft²

x gallons of paint = 9110.96 ft²

x = (1×9110.96/232) = 39.27 gallons.

Hope this Helps!!!

5 0
3 years ago
You order 1.5 pounds of turkey at a deli. You will accept the turkey if its weight is between 1.54 lb and 1.46 lb. What absolute
andrey2020 [161]
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7 0
3 years ago
Nikki has 3 pieces of yarn. the first piece is 5/6 feet long the second piece is 5/3 feet long and the third piece is 3/2 oder s
xenn [34]
I think you are asking to sort them according to the shortest to longest in length. For this, it would be helpful to write the fraction into decimal. The equivalent values are as follows:

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Therefore, the correct sorting would be as follows:

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Hope this answers the question. Have a nice day.
4 0
3 years ago
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yanalaym [24]

Answer:

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Step-by-step explanation:

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3 years ago
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frez [133]

Answer:

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Step-by-step explanation:

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