Tìm x : 4(x+1)^2 - (2x-1)^2 - 8(x-1) (2+1)=11 Giúp mik với ạ

1m khổ 80cm, 3 zem ( tấm mica ) làm được bao nhiêu kính chống giọt. Kích thước dài 17cm .Rộng 22cm

giúp mk vs mọi người ơ, mk cần gấp!!!

tam giác ABC cân tại A , M thay đổi trên cạnh AB , N thuộc tia đối của CA sao choBM = CN . CMR đường trung trực của MN luôn đi qua 1 điểm

giúp mk vs mọi người ơ, mk cần gấp!!!

1 peter said to nick " would you like t stay for lunch " peter invited 2 tim said to martin " you ought to see a doctor " tim advised 3 lousie said " I'm sorry i caused so much trouble" lousie apologized 4 Andy said " why don't we go out for the day" Andy suggested 5 Trang said : " I 'll do the washing up Trang offered 6 pat said to Jane: " you're going to post the letter, don't forget pat reminded 7 Travel agent said " yes, we made a mistake " The travel agent admitted 8 Steven said to Mike: " Don't touch electric wires" Steven warned 9 Are you taking much money with you to France? my bank manager wanted to know 10 No, It's not true, I didn't steal the money" said Jean Jean denied

giải giúp mình với ạ. Càng nhanh càng tốt Cảm ơn trước ạ

Tìm x, y a, $\frac{x}{4}$ = $\frac{y}{3}$ và x.y=48 b, $\frac{x}{3}$ =$\frac{y}{4}$ và x ²+y ²=100

giúp mk vs mọi người ơ, mk cần gấp!!!

E. Choose the correct answers. 1. If you would like to______ a complaint, please fill in a form or speak to the manager. a.make b. take 2. Marianne, you must stop making______ and hand in your homework on time. a. progress b. excuses 3. Can you and your colleagues please do some______ on the subject ? a. research b. business 4. Our school is taking______ in a science competition at the end of the year. a. place b. part 5. Can you please? I need you to print out my presentation for me. a. do me a favour b. make up my mind 6. You've studied really hard for your exams and you've done your _____ a. job b. best 7. When you go for a job interview, you have to make_____ a.good impression b. profit 8. Well done, Katie! You did____ a. good job b. choice 9. Unfortunately, the company wasn't doing well, and it made a lot of employees______ a. decision b. redundant 10. Please stop taking me I try very hard to help you and you never thank me . a. into account b. for granted