Предмет: Математика, автор: ailara2001

какое из следующих уравнений является линейным уравнением с двумя переменными:
1) 0,5x+2y=8
2) xy=12
3) x-y-8=0
4) x (в квадрате)+y (в квадрате)=13
5) xy+2x=8
6) 3x-5y-14=0

Ответы

Автор ответа: ndusha
0
думается это   1,  3,  6       


Автор ответа: 38050828
0
Естественно 5))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))0
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: Outsider02
Пожалуйста, даю 100 баллов

GRAMMAR (Revising Past Passive, Present Passive, Present simple and Past Simple)

2 Read and choose the appropriate word or phrase.

Legend of Leopard: The Samarkand Symbol

“By this legend, when Samarkand (1) …, a leopard came down from the Zarafshan mountains. The leopard walked in the streets, near buildings and then (2) … to the mountains. Since that time people of Samarkand (3)…“leopards”. And all Samarkand’s flags (4) … an image of the leopard.” This legend (5) … by Abu-Said Ibn

Muhammad Idris in the 9th century.Of course, in Samarkand (6) … a lot of monuments with images of a

leopard or lion as a symbol of importance and power of Samarkand and its people. The symbol of leopard (7) … not only in buildings, but also in the crafts and national money.The most famous images of leopards (8) … on the walls of the Sherdor Madrasah. “Sher” in Persian means “a lion”. People say that the symbol of the lion (9) … by Iranians, but during the Arab and Turkish periods it was changed to the leopard. Since that time it (10) … how beautiful and important Samarkand is.

1 a) were built b) was built c) build

2 a) goes back b) go back c) went back

3 a) are called b) is called c) calls

4 a) has b) have c) had

5 a) was told b) tells c) told

6 a) there is b) there are c) is there

7 a) is found b) were found c) can find

8 a) is made b) makes c) are made

9 a) were brought b) bringing c) was brought

10 a) shows b) showing c) are showing

4 Complete the sentences with the words.

device, media, humanoid-like, web browser, digital electronics, apps, headset

1) I lost a … to my phone.

2) My favourite … are Facebook, Youtube and Whatsup.

3) Kengoro is a … robot which can do things better than most humans can.

4) A mouse is a … that makes it easier to choose different programs

from computer menu.

5) … is electronics that operate on digital signals.

6) A … is a computer program that makes it possible for you to read

information on the Internet.

7) The life of the British royal family has always been of interest to the… .

5.Read and choose the right words. baker different leave air bread make

Samarkand bread

There is no tastier bread than Samarkand one. Real Samarkand bread can be soft for a long time. It is easy to (1) … . Everyone, who has ever visited Samarkand, does not (2) … it without Samarkand bread. It is various: small

or large but it is always delicious. That’s why people say legends about it.Once Khan of Bukhara asked his advisers why the (3) … is taken from Samarkand to Bukhara, if they could bake it in Bukhara. He was told

that bread would be tasty if it was baked only in Samarkand. But the khan did not believe it and ordered to bring Samarkand’s best (4) … to Bukhara and ordered him to bake bread in Bukhara. But the bread was (5) … from what it was in Samarkand. Advisers decided that the reason was in the ingredients and brought from Samarkand a tandyr oven, flour, water, but even then the bread was different from Samarkand one. Then the baker said: “Probably, the reason is in the air.” But it was impossible to transport the (6) …, and soon the baker was allowed to return home. People began to carry bread from Samarkand as before.

5 Read the text and choose the best title.

1) Muslim scientists. 2) Ancient library. 3) Translations of ancient Greeks

Perhaps one of the most famous libraries in the history was the library of Bayt al-Hikmah, a library which was built in Baghdad in 1004. Now Baghdad is the capital of Iraq. In that library, the Muslim scientists studied the world’s knowledge and created a library of international importance. They translated Euclid, Archimedes, Pythagoras, Hippocrates, and other famous Greek scientists into Arabic. Indian and Persian texts were used

as well. Special books included astronomy, chemistry, geography, mathematics, medicine and zoology. Ascientist, Hunayn bin Iskhaq (known in the West as Johannitius) translated into Arabic a lot of medical

works. He also wrote some medical books. In one of his books there were drawings which are used today.

​
6 лет назад
Предмет: Русский язык, автор: rysbekarujan2512
2. Определите тип сказуемого в данном предложении: Не являются ли звезды
нашим отражением?
A) Простое глагольное
B) Составное глагольное
C) Составное именное​
6 лет назад
Предмет: Алгебра, автор: dvarnakov2007
Помогите пожалуйста!! 35 БАЛЛОВ!!!
6 лет назад
Предмет: Геометрия, автор: ТаняВоржева
 Одна из диагоналей трапеции равна 28 см. и делит другую диагональ на отрезки длиной 5 см. и 9 см. Найдите большее основание трапеции и отрезки, на которые точка пересечения диагоналей делит первую диагональ,если меньшее основание равно 6 см.
9 лет назад
Предмет: Алгебра, автор: karenmar2000
При каком значении переменной значение дроби х-3 / 5  равно: а) 1   б) 3
9 лет назад