Предмет: Физика, автор: dasha111263

Холодильник 200 вт- 24 часа в сутки
Чайник 1500 вт- 4 часа в сутки
Телевизор 400 вт- 10 часов в сутки
Утюг 1000 вт- 1 час в сутки
Пылесос 800 вт- 1 час в сутки
Тариф- 3,76 руб
задача: просчитать по тарифу сколько мы заплатим за свет за месяц

Ответы

Автор ответа: putin2020

Ответ:

1 872,48₽

Объяснение:

(200×24)+(1 500×4)+(400×10)+1 800 = 16 800 Вт.

16 800×30=498 000вт=489 кВт

489×3,76 = 1 872,48₽

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