Предмет: Математика, автор: Аноним

Помогите с тестом пж

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Автор ответа: maria234581
0

Ответ:

11.

3060

240*15=3060

12.

piвняння

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MONOPOLY
Monopoly is a market structure with only a single seller of a commodity or service dealing with a large number of buyers. When a single seller faces a single buyer, that situation is known as bilateral monopoly.
The most important features of market structure are those which influence the nature of competition and price determination. The key element in this segment of market organization is the degree of seller concentration, or the number and size distributions of the sellers. There is monopoly when there is only one seller in an industry, and there is competition when there are many sellers in an industry. In cases of an intermediate number of sellers, that is, something between monopoly and competition, there can be two sellers (duopoly), a few sellers (oligopoly), or many sellers (atomistic competition).
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Aside from private monopolies, there are public monopolies. One example of a public monopoly in the United States is the nonprofit postal service. There is also the «natural» monopoly, which exists when it is more efficient, technically, to have a single seller.
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