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yuradex [85]
2 years ago
7

Which questions can be answered by finding the surface area? Check all that apply.

Mathematics
1 answer:
True [87]2 years ago
3 0

Answer:

Step-by-step explanation:

Surface area is pretty synonymous with area.

How much paint is needed to paint the outside of a birdhouse?

Paint is measured in volume, so not surface area

How much wallpaper is needed to cover the walls of your room?

Since its just the walls its not total surface area, but surface area of the walls.

How much water will it take to fill a rectangular container?

water is measured in volume, especially when wanting to fill something.

How much topsoil can a gardener place in his wheelbarrow?

Wants to know how much topsoil is needed to FILL the wheelbarrow, filling is volume.  So not surface area.

How much fabric is needed to make a pillowcase for a pillow?

Not asking to fill the pillowcase, just how much is needed for the thin, one layer thick case.  So this is surface area.  

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Alex787 [66]

Answer:

x > 5

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2 years ago
Which expression is equal to (6x−4)(3x−1)?
Natali5045456 [20]

Answer:

(6x-4)(3x-1)  = 18x^2  - 18x + 4  is the required simplification.

Step-by-step explanation:

Here, the given expression is (6x−4)(3x−1).

By DISTRIBUTIVE PROPERTY of numbers:

A ( B + C ) =  AB + AC

Simplifying the given expression, we get:

(6x-4)(3x-1) = 6x(3x-1)-4(3x-1)\\= 6x(3x)  -1(6x)  -4(3x)  +4\\=18x^2  - 6x - 12x + 4\\18x^2  - 18x + 4

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Hence the given expression is simplified.

3 0
3 years ago
Mary ate 1 4/7 pies, while fred ate 1 4/7 pies. in total . how much pie did these two eat?
nydimaria [60]
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4 0
3 years ago
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Based on the work shown on the right, check all
STALIN [3.7K]

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Solution is x = 8.

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6 0
2 years ago
Help me please, guys <br>​
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Answer:

7.7

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3 years ago
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