Предмет: Алгебра, автор: nastya744771


4x - 2y = 0 \\2x + y = 0
Решить систему методом подстановки, графичным

Ответы

Автор ответа: salihovakansulu
0
4х-2у=0
-2у=-4х
2у=4х
у=2х
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Предмет: Английский язык, автор: tatiburlakova
         Exercise 1. Insert the or
« - »


1)How far is it from here to____airport? — Twenty five
ki­lometres.

2)“Where’s Fred?” — “He’s in____kitchen.”

3)What is____Baker Street famous for?

4)My brother Charles is a student at____Cardiff Universi­ty.

5)____Natural History Museum is in London.

6)There are a lot of people at ____ station waiting
for a train.

7)“Where’s____Grand Hotel?” — “It’s in ____ South
Street.”

8)There are no chairs in___ room.

9)Close____window, please!

 

        

 Exercise 2. Insert  a, the


1)There is____desk in____ room.

2)____desk is
at____window.


3)There’s____computer on   ____desk.

4)____computer is next
to____telephone.


5)____telephone is
on____desk.


6)There is____photo on_____wall behind____reading
lamp.

7)There are 2 chairs beside____sofa.

8)There are three people on_____sofa:_____man and two
women.

9) There’s_____bag on one of_____chairs.

10)_____bag is empty.

 

        
 Exercise 3. Insert  a/an, the, a lot of, some, any


1)Our kitchen is modern, nice and clean with  ____cup­boards.                          2)
There’s     ____washing machine, ____fridge
and_____electric cooker,but


 there isn’t
____dishwasher.


 3)There
are  ___lovely pictures on ____walls of  ____kitchen, but there aren’t ___photos.


4)There’s____radio near _____cooker on the left.

5)There is ____table in the middle of ____room.

6) On ____table 
there’s ____vase with ____flowers in it.