Предмет: Алгебра, автор: mariase86

ДОПОМОЖІТЬ БУДЬ ЛАСКАА

Відомо,що 5xy²=9. Знайти значення виразу: 1)xy² 2)7xy².

Ответы

Автор ответа: Аноним

2

Ответ:

Объяснение:

5xy²=9

1) xy²=9/5=18/10=1,8

2) 7xy²=7·9/5=63/5=12,6

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