Предмет: Математика, автор: Аноним

Срочно! Решите 9 задание​

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Автор ответа: 18188181881
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X1=-4, x2=1 вот ответ
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Предмет: Английский язык, автор: Spectre267
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Раскройте скобки и употребите глаголы в соответствующей форме.
1. Mixed economy is an economic system in which some industries (to own) by the state and others (to own) by private persons and firms.
2. When supply is increased, a larger amount (to offer) at a given price.
3. The supply of agricultural products cannot be (to increase) within a very short period of time.
4. The aim of the Organization of Petroleum (to export) Countries (OPEC) (to found) in 1961 is to maintain a standard price for oil and, if necessary, to limit output. In 1973 the OPEC suddenly (to begin) to use its influence (to raise) the world price of oil so that by the end of 1974 the price (to rise) three times in most (to import) countries. It(to increase) many times since then.
5. Marginal revenue is the additional revenue (to earn) by a producer from selling one more unit of his product.
6. Money supply is the total amount of money (to hold) by all persons and organizations in a country at a particular time.
7. The revenue (to obtain) from selling output depends on the demand.
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9. Economists use the word «capital» for goods not entirely (to use) up in the production process, during a particular period. Electricity is not «capital» as it (to use) entirely in the production process.
10. With less risk of a fall of price between the time decisions (to make) and commodities (to sell), producers will use additional inputs.
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