Предмет: Геометрия, автор: saniksaa

даю 25 баллов геометрия 7 класс
только распишите все подробно как и что

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Ответы

Автор ответа: LN330068
0

Ответ:

<3=<4=108 градусов,как соответственные

Объяснение:

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Some of these changes have been brought about by changes in the immigration
laws. Until the 1850s, immigration to the U.S. had been largely unrestricted, with some
90 percent of all immigrants coming from Europe. In the 1920s, a number of measures
were taken to limit immigration, especially from Asian countries and southern and
eastern Europe. The overall number of immigrants was limited by law and quotas were
set for countries and, later, "hemispheres." In 1968, this quota system was abolished. An
annual limit of 170,000 was set for immigrants from the Eastern Hemisphere and
120,000 for the Western Hemisphere. Ten years later, the separate limits for the two
hemispheres were abolished in favor of a worldwide limit of 290,000 per year. In
addition, however, special measures were taken to allow large numbers of refugees from
several regions (especially East Asia and Central and South America) to enter the
U.S.
Thus, the average number of immigrants legally admitted throughout the 1970s was
about 430,000 per year. The number jumped to 654,000 in 1980, reflecting a new wave
of Cuban refugees. In recent years, the number of immigrants officially admitted to the
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