Предмет: Математика, автор: мураЯ

народ две пятых равна какой десятичной дроби и три пятнадцатых часа скольки минутам равны?

Ответы

Автор ответа: Natali1406
0

2/5=0,4 

3/15ч = 12 мин ( 3/15 можно сократить до 1/5 ч, значит, чтобы перевести это число в минуты надо 1/5 ч умножить на 60 мин)

Автор ответа: ali79
0

2/5=2:5=0,4

3/15ч=3:15*60=12 минут

Похожие вопросы
Предмет: Математика, автор: gazievaiman4
Предмет: Английский язык, автор: oksana0angie
Помогите пожалуйста ну очень срочно надо(((
1)
Fill in: fitted, central, double, private, alarm, entrance, spiral.
1. We have a real fire in the living room, but the rest of the house has ______ heating installed.
2. There are ______ wardrobes with sliding doors in both bedrooms.
3. ______ glazing in all the windows ensures the house stays warm and quiet.
4. Just wait in the _____ hall and I'll come downstairs to help you with your bags.
5. You should install a(n) _____ system to improve home security.
6. We don't need a garage as we've got _____ parking in our street.
7. There's a _____ staircase that takes you up to the roof garden.

2)
Fill in: mansion, studio, loft, bedsit, prefab house, basement, maisonette, mobile home, penthouse.
1. Mr Stephens is wealthy man who lives in a huge ____ in the countryside.
2. The most expensive property in the building is the _____ because of its spectacular view of the city.
3. Jeff spends all his holidays at his _____ on the coast and he plans to live there in his old age.
4. None of my rooms get much sunlight because I live in a ______ flat.
5. The kitchen and bedroom in Gemma's flat used to be separate but she decided to turn it into a ______.
6. June wanted something bigger than a flat but couldn't afford a house, so she bought a _______ in a nice building.
7. Richard likes to tell people his home was built in a factory and then explain that it's a _____.
8. The only place to rent I can find for less than £50 a week is a tiny _____.
9. In London many old industrial buildings are being converted into ______ apartments.