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egoroff_w [7]
2 years ago
14

Huy is painting eight styrofoam cubes for a science project. the side length of the cube measures 6 1/2 inches. What is the tota

l surface area that Huy will paint
Mathematics
1 answer:
gtnhenbr [62]2 years ago
5 0

Answer:

2028 square inches

Step-by-step explanation:

The side length of the styrofoam cube measures 6 1/2 inches.

Step 1

We find the surface area of a cube

The formula is given as

Surface Area = 6a²

Where a = Side length of the cube = 6 1/2 inches

Hence,

Surface area of a cube = 6 × (6 1/2inches)²

= 253.5 square inches

Step 2

Huy is painting eight styrofoam cubes for a science project.

The total surface area that Huy will paint is calculated as:

1 styrofoam cube = 253.5 square inches

8 styrofoam cubes = x

Cross Mulitiply

x = 8 × 253.5 square inches

x = 2028 square inches

Therefore, the total surface area that Huy will paint is 2028 square inches.

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Answer:

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Step-by-step explanation:

To simplify this, you would use the special product (a - b)^2 = a^2 - 2ab + b^2. We can correlate this with the given term so that,

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Now we just substitute into a^2 - 2ab + b^2

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3 years ago
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Answer:

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Distributing the 9, we get

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Step-by-step explanation:

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We also know that they paid $201 and that there is $3 per child and $10 for adults so 3x+10y=201

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Step 2) Subtract 250 from both sides

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