Предмет: Математика, автор: znanWow

6(3x+5y)+7x-5y .при x+y=3
упростите выражение плииз :3

Ответы

Автор ответа: lerka2003gk

0

12x+30y+7x-5y=19x+37y

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Українська мова, автор: milena200830

Позначте рядок, у якому всі словосполучення містять частки:
А хай буде так; ошелешений і розгублений; дізнатися не від товариша
Б озирайся не озирайся; це ж мій друг; сказав би комусь;
В то джерело знань; ось чого захотів; довідався про новини;
Г хотів би сказати; нехай не гнівається; розмова з людьми;
Д зроби саме так, невже це важко, згідно з домовленістю.
ЭТО ОООООООООООООООЧЕНЬ СРОЧНО!!!!!!!!!!!!!!!!!!!!!!
ПОМОГИТЕ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

6 лет назад

Предмет: Английский язык, автор: sevaislamova23

Choose the correct variant (reported speech):

1.Ann: “Are you going to the park?”

(Баллов: 10)

a) Ann asks if we are going to the park.

b) Ann ask if we are going to the park.

c) Ann asks if are we going to the park.

d) Ann asks to be going to the park.

e) Ann asks if you are going to the park.

2.Father says to me: “Don’t open the door!”

(Баллов: 10)

a) Father tells to not open the door.

b) Father tell to not open the door.

c) Father says not to open the door.

d) Father tells me not to open the door.

e) Father tell me not to open the door.

3.She: “Is Wales situated on the British Isles?”

(Баллов: 10)

a) She says that Wales is situated on the British Isles.

b) She asks if Wales is situated on the British Isles.

c) She ask if Wales situated on the British Isles.

d) She tells that Wales is situated on the British Isles.

e) She tell that Wales is situated on the British Isles.

4.The teacher asks when … home

.

(Баллов: 10)

a)he come

b) he comes

c) does he come

d) has he came

e) he to come

5.John asks: “Will it be possible?”

(Баллов: 10)

a) John wonders if it is possible.

b) John wonders if will it be possible.

c) John wonders if it be possible.

d) John wonders if it possible.

e) John wonders if it will be possible.

6.They ask: “When did it snow?”

(Баллов: 10)

a) They want to know when snowed.

b) They want to know it snowed.

c) They want to know when it snowed.

d) They want to know when did it snow.

e)They want to know did it snow.

7.John asks: “Is she at work today?”

(Баллов: 10)

a) John wonders if she at work

b) John wonders if she is at work today.

c) John wonders she is at work today.

d)John wonders if is at work today.

e)John wonders if is she at work today.

8.They ask: “When did you clean the room?”

(Баллов: 10)

a) They want to know I cleaned the

b) They want to know when I cleaned the room.

c) They want to know when cleaned the room.

d) They want to know when did I clean the room.

e) They want to know if cleaned the room.

9."Where does Helen live?"

Jim wants to know where...

(Баллов: 10)

a) Helen lived

b) Helen lives

c) Helen had lived

d) does Helen live

e) did Helen live

10."How many photos have you got?"

He wants to know how many....

(Баллов: 10)

a) photos I had got

b) photos you have got

c) photos had I got?

d) photos I have got.

e) photos have I got

6 лет назад

Предмет: Русский язык, автор: kristina03122001

Подчеркните, пожалуйста, главные члены предложения

6 лет назад

Предмет: Математика, автор: MaximGavrilov30

В первый день туристы прошли 5/7 всего пути, а во второй - оставшиеся 14 км. Какой путь преодолели туристы за эти 2
дня?

9 лет назад

Предмет: Математика, автор: popovaelenanik2

Отметьте, правильный ответ: последняя цифра квадрата натурального числа может быть... *

несколько вариантов ответа

1
2
3
4
5

свой вариант:....

9 лет назад