Предмет: Математика, автор: vavarutata

Допоможіть будь ласка, даю 15 балів

Приложения:

Аноним: Тебе расписывать, или просто ответы подойдут?
vavarutata: росписати, якщо можна, наша вчителька не зарахує відповідь якщо не розписане:(
vavarutata: допоможи будь ласка

Ответы

Автор ответа: loh1340
0

Ответ:

1.4x=8

x=2

2.5m=-10

m=-2

3.m=-5

4.2x=-16

x=-8

5.5x=65

x=13

6.8x=4

x=1/2 або 0.5

7. 5/6x-1/4x=-14 |•12

10x-3x=-168

7x=-168

x=-24

8.-3x+12=5x-12

-8x=-24

x=3

9.0,9x-0,6x+1,8=0,4x-2,6

0,1x=-4,4 |:(-0,1)

x=44

10.36x+90=36x+90

все скорочується

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Exercise 2. 

Make nouns from the words in brackets using suffixes -ment, -ing, -ity or -ist.

1)They stared in ___. (amaze)
2)Terrible ___ broke out in the streets. (fight)
3)A person skilled or employed in telegraphy is called a ___. (telegraph)
4)The directive required equal ___ for men and women in social security schemes. (treat)
5)He was a real ___. (moral)
6)Creation belongs to eternity and ___to time. (develop)
7)Her cheeks were flushed with ___ (excite)
8)She showed increasing signs of ___. (labile)
9)Their company need a ___ (technology)
10)This campaign is one of the most successful in the history of___. (advertise)


Exercise 3.

Make questions from the following sentences. Begin with “How…”

1)They have been sweeping the floor since morning. – How …?
2)It will take her half an hour. – How…?
3)You are speaking too fluently. – How…?
4)The book was really interesting. – How…?
5)This table is tree meters long. – How…?
6)I feel good. – How…?
7)We have made a lot of money. – How…?
8)This word is pronounced like this. – How…?
9)Their holidays were amazing! – How…?
10) They performed excellently. – How…?


Exercise 4.

Open the brackets and put the verbs into Past Simple.

1)We _______ them to our party but they ______. (invite, not come)
2)This house _____ a lot of money ten years ago. (cost)
3)____ it ___ yesterday? (rain)
4)I _______ the film which I _____ at the week-end. (not enjoy, see)
5)I _____ enough time to write a letter. (have)
6)I _____ really angry with her. (be)
7)Why ___ you ___ me on Tuesday? (not phone)
8)We _______ her to the party, so she _____. (not invite, not come)
9)Yesterday morning he _____ early. (wake up)
10)Yesterday Tim _____ to work. (walk)