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earnstyle [38]
4 years ago
6

How many edges does a decagonal pyramid have

Mathematics
1 answer:
andreyandreev [35.5K]4 years ago
3 0

In geometry, the decagonal prism is the eighth in the infinite set of prisms, formed by ten square side faces and two regular decagon caps. With twelve faces, it is one of many nonregular dodecahedra. The decagonal prism has 12 faces, 30 edges, and 20 vertices.
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Let x be the price for adults and y be the price for children at the restaurant. The total amount paid by the Taylor family is $40.50 and may be expressed as 2x + 3y. That of the Wong family may be expressed as 3x + y and amounts to $38. Thus, the system of linear equation is,
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The answer therefore is letter C.
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