Предмет: Математика, автор: ayurchak

Помогите решить задачу
В 2 больших и 5 маленьких бидонах 130л молока . Сколько молока входит в маленький бидон, если его вместимость в 4 раза меньше вместимости большого?

Ответы

Автор ответа: KiryaShishkin

0

Вместимость маленького бидона принимаем за х.
Тогда вместимость большого бидона составит 4х.
Общее количество молока в двух больших и пяти маленьких бидонах 2*4х+5*х=130 или, приводя подобные члены, 13х=130. Отсюда х=10.
Ответ: вместимость маленького бидона 10 л

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: География, автор: zarabruh

Пожалуйста!Помогите с фо!По теме гидросфера!

7 лет назад

Предмет: Английский язык, автор: Kaldybajhansajm

1. Opposite meaning of the word «weak»

a) powerful

b) light

c) boring

d) safe

e) common

2. The correct variant of Present Simple

a) They chat every day

b) They chats every day

c) They are chat every day

d) They chatting every day

e) They chatt every day

3. Order the words to make correct sentence

My/borrow/headphones/can`t/you

a) You can`t borrow my headphones

b) Can`t you borrow my headphones

c) You can`t my headphones borrow

d) My headphones you can`t borrow

e) You borrow my headphones can`t

4. Complete with the Past Simple of the verb

He ______ part in a reality show last month

a) took

b) taked

c) taken

d) takes

e) tooked

5. Choose the right variant

My Mum was _____ when I ______ home this morning

a) sleeping/left

b) slept/left

c) sleep/ leave

d) sleeps/left

d)sleeping/was left

6. I __________ cartoons when I was a child

a) used to watch

b) used watch

c) use to wathing

d) did use to watch

e) use watch

7. Where is she doing her research … this serious problem?

a) on

b) of

c) in

d) for

e) -

8. Have you ever visited other countries? - Yes, I... to Italy and France.

a) have been

b) had been

c) was

d) would be

e) has been

9) By the time we got to the cinema the film ... .

a) had begun

b) will begin

c) would begin

d) began

e) begin

10. Is there anything I ... do to help you?

a) can

b) am to

c) may

d) as to

e) could

11. When I speak Italian, all the others in the class ... at me as I don't know the language well.

a) laugh

b) will laugh

c) was laughing

d) laughed

e) laughs

12. The students often translate English texts ... Russian.

a) into

b) to

c) in

d) on

e) for

13. Actually, today I feel ... than I did yesterday.

a) worse

c) worst

b) bad

d) the worst

c) the worse

14. What happened at the end of the film? - I'm sorry to say, but I haven't seen ... film.

a) the

c) -

b) a

d) those

e) an

15. Would you mind waiting ... minutes?

a) a few

b) little

c) few

d) a little

e) the little

16. I'm ... interested in languages than in mathematics,

a) less

c) little

b) many

d) much

e) a many

17. That's an easy question! ... knows the answer!

a) Everybody

b) Each

c) All

d) Every

e) Everything

18. Excuse me, do you speak English? I ... for a hotel.

a) am looking

b) was looking

c) look

d) have been looking

e) am look

19. Make adjectives from these nouns: style-luck-fame

a)-ish, -y, -ous

b)-ed,-y,-ence

c)-y,-ish,-ous

d)-ish,-ed,-ive

e)-ive,-y,-ous

20. Order the words to make correct sentence

studied/ long/you/how/have/English/?

a) How long have you studied English?

b) How have long you studied English?

c) Have you studied English how long?

d) English studied have you how long?

e) How long you have studied English?

21. What is the official name of Britain?

a) The United Kingdom of Great Britain and Northern Ireland

b) The United Kingdom

c) Great Britain

d) England

e) Britain

22. What river is the British capital situated on?

a) on the Thames

b) on the Severn

c) on the Mississippi

d) on the Tay

e) on the Tweed

23. What is the London home of the Queen?

a) Buckingham Palace

b) Westminster Palace

c) The Houses of Parliament

d) Balmoral Castle

c) Hillsborough Castle

24. Related words for "shopping":

a) plaza, shopper, mall, bazaar

b) buy, sell, offer, building

c) marketing, shop, seller, yard

d) customer, bakery, note, pay

e) market,

25. I love watching fireworks, but the noise sometimes makes . . . nervous.

A) me

B) out

C) their

D) his

E) my

26.She’s just moved from her flat . . . 38 Azalea Drive.

A) at

B) on

C) for

D) in

E) to

27. Are you talking now about . . . John Smiths who led . . . Labour Party.

A) -/the

B) -/a

C) the/the

D) a/a

E) the/a

28. . He drives . . . carefully than his girlfriend.

A)more

B) as…as

C)much

D) most

E) the most

29. We visited the village . . . my mum was born.

A) where

B) those

C) what

D) that

E) their

30. Have you seen this . . . invention?

A) fantastic, new, German

B) German, new, fantastic

C) German, fantastic, new

D) fantastic, German, new

E) new, fantastic, German.

7 лет назад

Предмет: Қазақ тiлi, автор: Аноним

Егер Қожа болсаңыз, осы узіндіде қай әрекетіңізді өзгертер едіңіз? Неге? осы сұрақтарға өз ойларыңызбен жауап жазыңыздар. пожалуйста помогите дам 100 баллов и зделаю лучшим ответом

7 лет назад

Предмет: История, автор: sashaelin

О чём идёт реч

Город-Порт крупнейший культурный и торговый центр восточного средиземногоморья

10 лет назад

Предмет: Геометрия, автор: stranger99

Срочно,помогите!
В треугольнике ABC угол B прямой, AC=10 см, BC=8 см, K-середина стороны AC. Из точки K опущен перпендикуляр KE к стороне BC. Найдите длину KE.

10 лет назад