Làm giúp em với ạ em đang cần gấp

Xác định tính đúng sai của mệnh đề : `x^2+x+3>0`

tính các góc nhọn của tam giác abc vuông tại a,biết 2 cos B-sinC=1/2

I. Make up sentences using the words and phrases given. Example: Titanic / moving / film → Titanic is a moving film. 1. people / love / festivals / because of/ advantages / they / bring/about/. 2. festivals / good / for / community /. 3. festivals / create / opportunity / for / the / people / take / part / festival / activities / 4. festivais / help / people / cooperate / with / one / another /. 5. people / can / understand / more / about / and / appreciate / their / cultural / values II. Rewrite the following sentences so that their meaning stays the same, using the words given. 1. There are various types of music for people to listen at Rock in Rio. (listen) 2. Japanese Boys' Day is celebrated on May 5th. (celebrate) 3. Japanese people hang up carp kites outside their houses on Japanese Boys' Day. (hung up) 4. Japanese people celebrate a special day for Japanese Girls on March 3rd every year. (celebration) 5. Can I ask you some questions about your favourite festival? (possible) help me

giúp vs nhanh nhất đc ctlhn nha

Vẽ anime/chibi :> Yc đẹp, chép = gửi tranh gốc

IV. Fill each blank with a word from the box. Celebrate attend seasonal performers music decorate harvest went festival parade 1. Carnival is a popular ……………in many countries in South America. 2. South American people……………Carnival in different ways. 3. At Carnival, people wear costumes and ……………through the streets, playing samba music and dancing. . 4. She is going to Rio Carnival to watch…………. dance 5. A lot of dancers go to Rio de Janeiro to ………..the Rio Carnival. 6. I think nobody is at home now because they have gone to the……… festival. 7. We……………to the Flower Festival in Da Lat last year. 8. During Tet, the Vietnamese ………….their house with many beautiful flowers. 9. Thanksgiving is a ………..festival only held in the USA. 10. Do you have………..festival in your country? Help

Tìm GTLN: aaaaaa

I. Pronunciation 1. A. gardening B. laundry C. recognize D. opinion 2. A. minor B. planet C. event D. robot 3. A. surround B. journey C. award D. career 4. A. pollute B. palace C. foreign D. modern 5. A. reduce B. station C. regard D. reuse 6. A. orchestra B. chat C. lunch D. teacher 7. A. celebration B. collection C. education D. question 8. A. booked B. laughed C. lined D. fixed 9. A. receive B. score C. scout D. comics 10. A. rehearse B. honor C. household D. horrible

|A| = \(\left[ \begin{array}{l}3-3x khi A>/ 0\\-3+3x khi A<0\end{array} \right.\)