Предмет: Математика, автор: kexazackovtzeva

из куска ткани можно сшить 12 пляжных зонтов,расходуя на каждый по 6 м.мижно ли сшить 9 палаток из этого куск4а ткани.если на одну палатку расходуют ткани на 3 м больше,чем на 1 зонт?

Ответы

Автор ответа: PRoStOMasteer

12*6= 72(м)- ткани ушло на зонты
72:9=8(п)-всего палаток получится из кусков ткани
Ответ:8

Автор ответа: рашид00000

1) 12*6=72 (м) ткани уходит на 12 зонтов 2) 6+3=9 (м) ткани уходит на пошив 1 палатки 3) 9*9=81 (м) ткани понадобится на пошив 9 палаток 4) 81-72=9 (м) ткани не хватит Ответ: Нет,72 (м) ткани не хватит на пошив 9 палаток,потребуется еще 9м ткани

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: kolya1005

Выкач...нное из гаража колесо .
Замеш..нное тесто . Развеш...нные картины .
Высуш...нное бельё .
Хорошо насто...нный чай .
Из них нужно сделать предложение помогите пж.

1 год назад

Предмет: Английский язык, автор: ЛЯ666

Нужен стих на английском языке на тему: "моё утро "или "мой день"
С переводом))

1 год назад

Предмет: Другие предметы, автор: shutnik999

Как называется новогодняя цепь из цветной бумаге

1 год назад

Предмет: Биология, автор: paleautumnprtn

ХЕЛП ОЧЕНЬ НАДО.
Заполните таблицу: отрицательное влияние хозяйственной деятельности человека на природу деятельность человека результат влияния на природу
земледелие
животноводство
промышленность
добыча полезных ископаемых заготовка леса
транспорт
строительство дорог

7 лет назад

Предмет: Английский язык, автор: Annoom

1. She takes ____ dog home.
a) a
b) the
c) __
2. He ____ too young to understand it.
a) am
b) is
c) are
3. Whose ____ those books?
a) is
b) be
c) are
4. Last month we ____ a movie every day.
a) watching
b) watched
c) watch
5. He ____ play the piano.
a) not
b) doesn’t
c) don’t
6. The Sun ____ too brightly.
a) shine
b) shines
c) is shining
7. This text is the ____ of all.
a) English
b) longer
c) longest
8. Could you come a bit ____ tomorrow?
a) early
b) earlier
c) earliest
9. Could you close the window? I ____.
a) freeze
b) freezes
c) am freezing
10. The Earth ____ round the Sun.
a) goes
b) has gone
c) is going
11. Kim ____ abroad.
a) was never
b) has never been
c) were never
12. Find a phrase without a logical mistake.
a) Usually they like steak, roast beef, Yorkshire pudding and fish and chips.
b) The United Kingdom has given birth to international sports: football, rugby, cricket, cooking, golf, tennis, boxing etc.
c) The most prestigious group, which includes the oldest and most respected world universities, consists of University of Oxford, University of Cambridge, University of St Andrews, University of Glasgow, University of New-York, University of Aberdeen and University of Edinburgh.
13. Which phrase is correct?
a) You need the three eggs and milk to make an omelet.
b) You need three eggs and a milk to make an omelet.
c) You need three eggs and some milk to make an omelet.
14. Leonardo ____ a lot of paintings, but he ____ many of them.
a) was beginning, was not finishing
b) has begun, has not finished
c) began, did not finish
15. Which phrase is right?
a) Eleven-year secondary education in Russia is compulsory since September 1, 2007.
b) Ten-year secondary education in Russia is compulsory since September 1, 2007.
c) Eleven-year secondary education in Russia is compulsory since September 1, 2018.
16. Which phrase is right?
a) In the USA, during high school, students may take exclusively one standardized test.
b) In the USA, during high school, students may not take any standardized tests.
c) In the USA, during high school, students may take one or more standardized tests depending on their post-secondary education preferences and their local graduation requirements.
17. Which question does not refer to the following phrase “Novosibirsk State Pedagogical University is one of the leading Russian pedagogical higher-education establishments, located in Novosibirsk, a cultural and industrial center of Siberia”?
a) Where is the University located?
b) Is the city worth of having a great higher educational establishment?
c) How many students are studying in it?
18. Which phrase is correct?
a) When begins the lecture?
b) When does the lecture begin?
c) When do the lecture begins?
19. It ____ a play about life in the North.
a) was
b) have been
c) has been
20. I need ____sugar to make a cake.
a) a
b) any
c) some
21. Does anybody want to join ____ me?
a) to
b) with
c) __
22. I’m leaving for ___ United States next year.
a) the
b) __
23. The radio ____ by Alexander Popov.
a) has invented
b) invented
c) was invented
24. Who wants to work as a teacher at secondary school must get ____ education.
a) higher
b) high
c) secondary
25. Which phrase is correct?
a) Here a picture of all my family in August 2005.
b) Here is a picture all my family in August 2005.
c) Here is a picture of all my family in August 2005.

7 лет назад