Предмет: Английский язык, автор: Ясминочка11

Пожалуйста помогите решить задачу по математике только там надо решать Прямо пропорционаные велечины помогите. Масса 15 см в кубе меди равна 133,5 г. Найдите массу 22 см в кубе меди.

Ответы

Автор ответа: ник3709

15см^3---133,5г
22см^3--- х г

15/22=133,4/х;

х=22×133,5/15; х=2937/15;
х=195,8г меди

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