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prohojiy [21]
3 years ago
7

What is the significance of the ishango bone?

Mathematics
2 answers:
Vikki [24]3 years ago
7 0

Answer: Very ancient discovery tool from ancient mathematicians

Step-by-step explanation:

Svetradugi [14.3K]3 years ago
6 0

Answer: The scratches are the first sign of one used in computing.

Step-by-step explanation:

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Answer:

7.04*4=x

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Step-by-step explanation:

If each of the four friends pays $7.04, the equation would be set up like this: 7.04*4=28.16. This means the total cost for tickets is 28.16. If the total cost for three tickets is 28.16, just divide the total cost by how many tickets were purchased. 28.16/3=9.39. This means one ticket cost 9.39.

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A regular octagonal pyramid. Each side of the base is 6 cm long. it has a height of 10cm. Find the surface area of the pyramid​
attashe74 [19]

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Answer:

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Step-by-step explanation:

The apothem of the base is used for two purposes: to find the area of the base, and to find the slant height of each face.

The apothem of the base for side length s is ...

  s/2 = a·tan(π/8)

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The slant height of a triangular face is found using the Pythagorean theorem. The apothem of the base and the height are legs of the right triangle whose hypotenuse is the slant height. For slant height x, we have ...

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__

The area of the 8 triangular faces will be ...

  A = 1/2Px . . . . where P is the perimeter of the pyramid

The area of the base will be ...

  A = 1/2Pa

So, the total surface area is ...

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