Предмет: Математика, автор: дании67рус

Вычисли площадь треугольника если она в 9 раз меньше чем площадь квадрата с длиной стороны 12 сантиметров

Ответы

Автор ответа: Nananey2000

0

$S_k=a^2 \ S_k=12^2=144 \ S_t= frac{S_k}{9} \ S_t= frac{144}{9} =16$

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Другие предметы, автор: sarmenova1961

что можно предложить построить в будущем.Срочно

7 лет назад

Предмет: Английский язык, автор: vadimgarifullin76496

Make the following sentences passive. СРОЧНО ДАЮ МНОГО БАЛЛОВ
They tell him lies every day.
Someone offered me a seat.
They didn’t show Helen the nearest way to the hospital.
I will not leave the window open.
They teach three foreign languages at this school.

Open the brackets using the Passive Voice / Active Voice.
The Bolshoy theatre (build) …………………………………….. in 1776.
Australia (discover) …………………………………….. as a market for American products at the end of the XIX century.
I (ask) ……………………………………..my classmates at the lesson tomorrow.
Milk (should/ keep) …………………………………….. in the refrigerator.
I (give) …………………………………….. him a very interesting book last week.
Sam (bring)………………………………….. nice flowers yestwrday.

/6
Translate into English using the Passive Voice.
Сок выпьют завтра…………………………………………………………………………………
Собак часто забывают ………………………………………………………………………………..
Подарок не отдали вчера…………………………………………………………………………….
Овощи заморозят?...................................................................................................................
Мышей ловят ежедневно? …………………………………………………………………………
/5

IV Put the verbs in brackets into the present continuous, future simple, present simple or use the to be going form.

1. I 'm sure she ..............................................................................(recognize) me.

2. Look at those clouds! It.................................................................(rain).

3. A: You are so slow! If you won’t hurry up, we.....................................(miss) the plane.

B: Don't worry! The plane........................ (leave) in four hours and Sam ........................ ..................................................... (drive) us to the airport.

4. Shhh! Don't make so much noise! You ..........................(wake) everybody up.

5. I promise I .................................................(not/forget) to buy her a present.

6. She believes she ........................................(get) a promotion.

7. Mother .....................................(stay) in Rome for Christmas. She has already booked the flight.

8. Look! I've broken a plate. What Mrs Adams (say)? ...............................................................

9. What time the film (start)?........................................................................................................

10. Don't shout at me or I......................................................(leave).

/12

V Put the verbs in brackets into the simple past or the past continuous.

-What...................................... (you/do) when the doorbell.......................................... (ring)?
I ...............................................................(make) a cake
He suddenly............................................. (realize) that he................................... (travel) the wrong way.
He .............................................(play) the guitar outside her house when someone opened the window and..................................................(throw) out a bucket of water.
My dog.................................. (walk) quietly when Mr Smith's dog…………………( attack) him.
While we........................................(fish) someone ..........................................(come) to the house and.................................................(leave) this note.
My dog ................................................(bite) a postman as he.................................................(put) the letters into the letter box.
-How....................................(you/break) your leg?
- I .............................................(fall) off the ladder when I .............................(put) up curtains.

/17

VI Complete the sentences using Conditional I/ Conditional II.

It the weather……………………… (to be) fine we……………………….(to go) to the country tomorrow.
If my parents…………… (to give) me short flippers I ………………………(to take) up river bugging.
What a pity that Bob is busy. If he …………………….…..(to have) some free time he………………… (to help) me with my homework.
If you ………………………(not go) to bed now you…………………………. (to be) tired in the morning.
If it ……………………….(not be) freezing cold in Antarctica polar bears …………………….(not live) there.
I…………………….. (to take) pictures of Emperor penguins if I………………………. (to live) in Antarctica.
What………………………………. (you do) if the weather…………………………. (be) stormy tomorrow?
Unfortunately, I'm not rich. If I ……………………….(to have) a lot of money I ……………………….(to travel) around the world.
It is very cold today. If it ………………………………(to be) warmer we ……………………..(to go) for a walk.
I …………………………………(not take) up rock climbing if I……………………… (to be) you. It is so risky.

7 лет назад

Предмет: История, автор: Mansik2009

Тотемизм это :

A) Традиция сооружать курганы

B) Люди считали себя произошедшими от животных

C) Искусство «зверинного стиля»

D) Поклонение духам перед охотой

E) Магический обряд

7 лет назад

Предмет: Математика, автор: kit888

Заполните пропуски :
1) -4,8 = ...= -8,6
2) -2,13 + ...= -17
3) -,8+ .. =-4,08
=)

10 лет назад

Предмет: Математика, автор: никита5236

какой вопрос следует задать в задаче с такой краткой записью
астр - 7 шт
хризантем - ?, на 13 шт больше
ответ...

10 лет назад