помогите решить уравнение a×40=120, 42÷x=14. - Znanija.Site №22747678

помогите решить уравнение a×40=120, 42÷x=14.
- Предмет:
  Математика
- Автор:
  patricio
- 4 года назад

Ответы 2

a*40=120 a=120/40 a=3.
- Автор:
  yasmine
- 4 года назад
- 0
а*40=120
а=120:40
а=3
42:х=14
х=42:14
х=3
- Автор:
  patterson
- 4 года назад
- 0
Добавить свой ответ

Еще вопросы

Дайте уравнение с дробями
- Предмет:
  Математика
- Автор:
  rosie55
- 4 года назад
- Ответов:
  
  1
- Смотреть
переведите пожалуйста
great britain diminished vegetation and living creatures,partly ,because the island was separated from Europe. Soon ,the mainland had been swept bare by the last ice age and partly because the land has been so industriously worked.
Woodland has 7 % of England's total land area. A drastic depletion of mature broad-leaved forests, especially oak, was a result of the overuse of timber in the iron and shipbuilding industries.Though there are fewer species of plants than in the European mainland.
Tundra survive in parts of the moorland of the northeast.
England has a profusion of summer wildflowers in its fields.
In some parts these have been severely reduced by the use of herbicides on farms.
Cultivated gardens, which contain many species of trees, shrubs, and flowering plants from all over the world, account for much of the varied vegetation of the country.
- Предмет:
  Английский язык
- Автор:
  maddy
- 4 года назад
- Ответов:
  
  1
- Смотреть
Упр. 1. Подчеркните предложения в продолженных временах.

1) We observe now these salts are dissolving in water.
2) Water has appreciable amounts of dissolved salts.
3) He was making an experiment from 2 till 3.
4) He calculated the amounts of substance contained in water.
5) We made many important observations last year.
6) The analyst is determining the properties of the ore now.
- Предмет:
  Английский язык
- Автор:
  sampson65
- 4 года назад
- Ответов:
  
  1
- Смотреть
Укажите имя существительное. ответ: 1.Летний. 2.Говорил. 3.Ручей. 4.Они.
- Предмет:
  Русский язык
- Автор:
  amorcita
- 4 года назад
- Ответов:
  
  2
- Смотреть

How much to ban the user?

1 hour 1 day 100 years