Cho tam giác ABC với A(1;2) ;B(1;1) C(3;1) a, tính tích vô hướng :Véc tơ AB, BC, AC,, BC b, tính chu vi của tam giác ABC

5sao+ctlhn..................................

Viết một đoạn văn từ 6 đến 8 câu nghị luận về tính trung thực trong đoạn văn có sử dụng ít nhất một câu rút gọn gạch chân Tìm thành phần được rút gọn và nêu rõ tác dụng của câu rút gọn đó😁😁😁

Tìm nghiệm của đa thức : -x^3 + 3x^2

Vẽ đi Vẽ đúng tâm trạng của bạn lúc này (Không biết từ bao giờ mà tôi lại bị nói là chảnh và chủ quan,ngứa tay ngứa chân quá nhỉ)

lập dàn bài thuyết minh về 1 phương pháp(cách làm) để tạo nên 1 sản phẩm cụ thể

Viết lại câu đảo ngữ có chứa từ trong ngoặc 1. My brother went off without saying a word (off) ⇒ 2. Her toys were along the corridor (along the corridor) ⇒ 3. The castle stands on a hill (on a hill) ⇒ 4. Your chance to speak out it now (now) ⇒ 5. We have seldom fished so much here (seldom) ⇒ 6. They are in no way responsible for what occurred last night (in no way) ⇒ 7. You shouldn't on any account take these pills when you drink alcohol (on no account) ⇒ 8. She not once offered us her help (not once) ⇒ 9. I didn't become aware of what was going on until I saw her weeping (not until) ⇒

Mọi người ơii giúp mình với mình đang cần gấp

câu c với ạ cszjcbjlbclkajbcljbsclbcvbzjksc

Làm ơn làm hộ mik trong thời gian ngắn nhất mik cần câu trả lời chính xác nhất ạ phiếu bài tập số 4 II. Give the correct form of the verbs in brackets to complete the following sentences. 1. No one enjoy (go) ……….to hospital. 2. What you (do)…………at the moment? I (watch) ………….T.V. 3. We (be) ……………students in four years. 4. A new school (build) ………………near our school now. 5. You (be) …………..angry if he refuses to help you? 6. I will send him the message as soon as he (return)……………… 7. A lttle girl can’t spend all her time (listen) ……………..to stories. 8. He sent a telegram for his mother (learn) …………….good news. 9. + Where are you? + I am upstairs. I (have)……………… a bath. III. Fill in each blank with the correct form of the word given in capital: 1. My father has a …………computer. He often brings it with him when he’s away on business. PORT 2. We are all ………..about going on an excursion to Cuc Phuong forest next weekend. EXCITE 3. The room will look brighter if there is a …………..on the wall. PAINT 4. Some of the children …………….boys, play marbles when there is a break. MAIN 5. You shouldn’t eat ……….food. HEALTH 6. We mustn’t be ……………….when we cross busy streets. CARE 7. She often feels …………………when she gets bad marks. HAPPY 8. There are about 200 ………….in this company. EMPLOY 9. Mai is ………….at math than me. GOOD 10. This lovely apartment has two bedrooms and it is ……………FURNISH IV. Choose the underline word or phrase that is incorrect 1. Tim is at the same age as Hoa. 2. At recess, the students practice to play basketball. 3. Do you know how much a banana cost? 4. The tacher says Ba will be a famous artist in one day. 5. Some boys are playing marble in the school yard at recess. 6. Some students are playing games as blind man’s buff and catch. 7. Mai learns how to use a computer in her scientific class. 8. I’d love coming to your birthday but I’m much too busy. 9. There are less TV programs for teenagers than there are for adults. 10. People are living longer so there are more and more many old people V. REWRITE THE SENTENCE 1) Although Tom was a poor student, he studied very well. => In spite of …… 2) Mary could not go to school because she was sick. Because of …. 3) Although the weather was bad, she went to school on time. => Despite …. 4) My mother told me to go to school although I was sick. => In spite of …. 5) Because there was a big storm, I stayed at home. => Because of …. 6) Tom was admitted to the university although his grades were bad. Despite …. 7) Although she has a physical handicap, she has become a successful woman. => Despite …. 8) In spite of his god salary, Tom gave up his job. => Although…. 9) Though he had not finished the paper, he went to sleep. => In spite of …… 10) In spite of the high prices, my daughter insists on going to the movies. => Even though …… 11) Many people began to wearing jeans because they were cheap. => Because of…….. 12 ) Since he was careless, Tom lost the game. => Because of…….. 13) Although she behaves well, no one loves her. Despite…….. 14) Because of the cold weather, the crops are late this year. => Because …….. 15) Mary was worried because Tom was late. => Because of…….. 16) Tom walked slowly because his leg was bad. => Because of…….. 17) I came here because I want the English course. => Because of…….. 18) I went to school although it was hot. Despite…….. 19) Because the dust in the room, I can’t go in. => Because of…….. 20) Because of too much smoke, We have to wear masks . => Because ……..