Giải ptr $\sqrt{x^{2} -2x -1 }$ - $\sqrt{ 2x - 4}$ = 0

giải trắc nghiệm từ câu 6,7 hộ mk nha

GIÚP MK VS MK ĐANG CẦN GẤP Ạ IV. Mark letter A, B, C or D to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. 11. The coffee was not strong. It didn’t keep us awake. A. The coffee was so hot that it didn’t keep us awake. B. The coffee was very strong, but it couldn’t keep us awake. C. The coffee was not strong enough to keep us awake. D. We were kept awake because the coffee was strong. 12. Although his legs were broken, he managed to get out of the car before it exploded. A. Despite his legs to be broken, he managed to get out of the car before it exploded. B. Despite his broken legs, he was able to get out of the car before exploding. C. Despite his legs were broken, he managed to get out of the car before it exploded. D. Despite his broken legs, he was able to get out of the car before it exploded. 13. This exercise is easier than that one. A.This exercise is as easy as that one. B.That exercise is as easy as this one. C.That exercise is easier than this one. D. That exercise is not as easy as this one. 14. The green dress is cheaper than the black dress. A. The green dress is as cheap as the black dress. B. The black dress is cheaper than the green dress. C. The black dress is as cheap as the green dress. D. The black dress is more expensive than the green dress. 15. Your apartment is bigger than my apartment. A. Your apartment is as big as my apartment. B. My apartment is not as big as your apartment. C. Your apartment is smaller than my apartment. D. My apartment is as big as your apartment. 16. Tam drives more carefully than Kien. A. Kien drives more carefully than Tam. B. Kien drives more careless than Tam. C. Kien drive more carelessly than Tam. D. Kien drives more carelessly than Tam.17. Snowboarding is more dangerous than tennis. A. Tennis is as dangerous as snowboarding. B. Tennis is as dangerously as snowboarding. C. Tennis is not as dangerously as snowboarding. D. Tennis is not as dangerous as snowboarding. 18. Your house is more modern than mine. A. My house is as modern as yours. B. My house isn’t as modern as yours. C. My house is as modern as yours house. D. My house is more modern than yours.

VII. Make questions with “How much” or “How many” and the cues given. 1. water/ you/ drink/ every day? =>____________________________________________________________ 2. students/ in you class? =>____________________________________________________________ 3. hours/ you/ sleep/ every night? =>___________________________________________________________ 4. money/ you/ have/ in your bag or pocket? =>___________________________________________________________ 5. subjects/ you/ study/ at school? =>___________________________________________________________ nhanh nha

Cho các số dương a,b,c thỏa mãn a+b+c = 3. Tính giá trị nhỏ nhất của P = $\frac{a+b+c}{\sqrt{abc}}$ + 2$\sqrt{abc}$ ($\frac{1}{a}$ + $\frac{1}{b}$ + $\frac{1}{c}$ )

viết 1 đoạn văn 5 câu nói về :"tôi bị xã hội ruồng bỏ " bằng những cách ý nghĩ tiêu cực .Có phải vì tôi chẳng có thứ gì nổi bật hay đó là tôi sinh ra đáng bị thế anh em giúp tôi với

Cho em hỏi câu này vs ạ trình bày giúp em

Tính bằng cách hợp lí: Làm giúp em nhé h)2.3.4.20 + 6.4.95 –12.2.15

Giúp mình làm hết nha mn có giải thích càng tốt!

VI.Complete the questions with “How much" or “How many”. 1.____________homework do you do a day? 2. ____________sleep do you get a night? 3.__________ text messages do you send a day? 4.__________money have you got in your pocket? 5.__________cousins have you got? 6.__________packets of biscuits do you eat a week? 7.__________people are there in this classroom? 8.__________time is there to the end of the lesson? nhanh nha