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uysha [10]
4 years ago
8

2. The Great Pyramid outside Cairo, Egypt, has a square base measuring 756 feet

Mathematics
1 answer:
lisabon 2012 [21]4 years ago
4 0

First convert the dimensions of the pyramid from feet to yards.

1 yard = 3 feet.

756 feet / 3 ft per yard = 252 yards.

480 feet / 3 ft per yard = 160 yards.

The formula for volume of a pyramid is:  Area of the base x the height divided by 3.

Volume = 252 yds^2 x 160/3 = 63504 x 160/3 = 3,386,880 cubic yards.

Now to find the number of bricks needed. divide the total volume by the volume of 1 brick:

3,386,880 / 1.5 = 2,257,920 total bricks.

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The area of the circle is 249 square feet. find the diameter
bulgar [2K]

Answer:

2 x \sqrt{\frac{249}{\pi } } ft or 17.8055 ft

Step-by-step explanation:

Area=\pi r^{2}

249=\pi r^{2}

Solve for r.

r=\sqrt{\frac{249}{\pi } }

Multiply by 2 to get diameter.

6 0
3 years ago
Can you guys help me I need help
dem82 [27]

Answer:

182m^2

Step-by-step explanation:

Area of parallelogram. Base x Height = 13 x 14 = 182m^2

Hope this helps.

3 0
3 years ago
4(-2)² + 8(-2) + 3(-2) + 6 =
Natasha2012 [34]
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<span><span><span>16+<span><span>(8)</span><span>(<span>−2</span>)</span></span></span>+<span><span>(3)</span><span>(<span>−2</span>)</span></span></span>+6</span></span><span>=
<span><span><span>16+<span>−16</span></span>+<span><span>(3)</span><span>(<span>−2</span>)</span></span></span>+6</span></span><span>=<span><span>0+<span><span>(3)</span><span>(<span>−2</span>)</span></span></span>+6</span></span><span>=<span><span>0+<span>−6</span></span>+6</span></span><span>=
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4 0
4 years ago
Which of the following statements is not true
Dovator [93]

Answer:

The answer to your question is: the first option

Step-by-step explanation:

The first option is correct

3 0
3 years ago
Ned had 76 boxes. together the boxes weighed 723 kilograms. About how much did each box weigh
alexandr402 [8]

Answer: ~9.51 kilograms each.

Step-by-step explanation: 723/76=9.5131

6 0
3 years ago
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