K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

20 tháng 12 2017

x * x 8,01 - x : 100 = 38

=> x * 8,01 - x * 0,01 = 38

=> x * ( 8,01 - 0,01 ) = 38

=> x * 8 = 38

=> x = 38 : 8

=> x = 4,75

20 tháng 12 2017

CẢM ƠN BẠN 

\(=\dfrac{\sqrt{x}\left(\sqrt{x}-1\right)}{\sqrt{x}-1}+\dfrac{\sqrt{x}\left(\sqrt{x}+1\right)}{\sqrt{x}+1}\)

\(=\sqrt{x}+\sqrt{x}=2\sqrt{x}\)

27 tháng 4 2021

TH1: thể 3 ở A, B, E

A-B-ddE- = 3.3.2.1.2 = 36

TH2: Thể 3 ở d

A-B-ddE- = 2.2.1.2 = 8

Tổng là 44

27 tháng 4 2021

Dạ cô có thể giải thích cụ thể giúp em được không ạ?:((

25 tháng 10 2021

gương trên đâu ???

25 tháng 10 2021

các loại gương đâu bẹn chụp lun đi

9 tháng 9 2021

Refer

1. “Your cousin speaks English very well” Paul told me

Paul said that ___________my cousin spoke English very well____________

2. “The man broke out of prison yesterday” said the policeman

The policeman told us_that the man had broken out of prison the day beforr__

3. “I’ll lend you this book as soon as I finish it” Owen said to me

Owen said __me that he would lend me that book as soon as he finished it___

4. “I think I forgot to turn off the lights this morning” Brenda told Brian

Brenda told Brian ____that he thought he had forgotten to turn off the lights that morning.____

5. “I work eight hours a day, except when the children are on holiday” said Mrs. Wood

Mrs. Wood said me that he worked eight hours a day, excepted when the children were on holiday

6. “You’ve been making good progress this semester” Miss Lynn told me

Miss Lynn said that _____I had been making good progress that semester_________

7. “If you bought all the tickets, you would win the lottery” the man said

The man told me ______that If I had bought all the tickets, I would win the lottery______________

8. “I like swimming but I don’t go very often” Jill said to Pam

Jill said that ______he liked swimming but he didn’t go very often___________________________

9. “I want to buy it, but I haven’t brought any money” said Patrick

Patrick told me _________that he wanted to buy it, but he hadn’t brought any money_______________________

10. “I’m going to visit my aunt in Hue, but I’m not sure when” said Mai

Mai told me _________that she was going to visit her aunt in Hue, but she was not sure when__________________

27 tháng 10 2021

N S R I

\(i=120^o-90^o=30^o\)

\(i=i'\Leftrightarrow i'=30^o\)

18 tháng 12 2021

I. 1b 2d 3a 4c

II. 1c 2b 3a 4b 5a