Предмет: Математика, автор: 833774747

Помогите пожалуйста срочно!!!!!!!!!

Приложения:

Maler26: Когда я отвечу прошу не ставь бан. Хорошо?

Ответы

Автор ответа: Maler26

Сумма внешних сторон равна 24 см.
Р-АВС=18 см.
Р-АDC=22 см.
1) 22-18=4 (см)
2) (АВ+DC)+(АВ+ВС)=4 (см)
(АD+DC)+(АВ+ВС)=24 (см)
(24-4):2=10 (см)
3) 10+4=14 (см)
4) 18-10=8 (см)
22-14=8 (см)
Ответ: АС=8 см

Maler26: 2 действие просто там много способов и 4 действие тоже самое. Так и пиши в тетради. Не за что)))

833774747: Спасибо!

Maler26: Не за что)))

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a) are causing b) have been causing
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c) is causing d) were causing
32. Recently the world’s climate ___ less stable.
a) has become b) have become
c) having become d) become
33. It ___ since early morning.
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38. The silent era in film production ___ in 1929.
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39. In the 20th century the world ___ .
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c) was modernizing d) were modernizing
40. By 1984 Spielberg ___ his own independent production studio.
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41. It was reported that the government ___ some revolutionary changes in the country’s
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a) have been experimenting b) had been experimenting
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