Cho A(-1,2), B(3,-2) C(0,5) a.Tính (AB) ⃗ , (BC) ⃗ . b. Tính chi vi tam giác ABC. c. Viết phương trình tổng quát đường cao AH của tam giác ABC. d. Viết phương trình tổng quát đường trung trực của BC. e. Tính khoảng cách từ A đến đường thẳng Δ : 3x-4y+1=0 ● Chú ý : Công thức tính khoảng cách từ M(x_0,y_0) đến ∆: a_x+b_y+c=0 là d (M;∆) = |a_(x_0 )+b_(y_0 )+c|/√(a^2+b^2 )

mn giúp mink câu 1 tiếng việt nhé

Giúp em 2 phần này với em đang gấp

Giải giúp mik bài này với Cảm ơn mn nhìu

Bài 9 : Tính bằng cách thuận tiện : 1/2 x 45 + 0,5 x 37+ 5/10 x 18

Cho hình bình hành ABCD có góc ACB = 45 độ. Gọi M, N theo thứ tự là hình chiếu của A trên BC, CD a) Chứng minh ∆AMN đồng dạng với ∆BAC b) Tính góc ANM

I.Choose the word whose underlined part is pronounced differently from that of the other 1. A. sandwich B. fat C. gram D. want 2. A. soda B. carrot C. kilo D. potato 3. A. cake B. cabbage C. lake D. face 4. A. danger B. range C. glass D. change 5. A. kite B. pastime C. idea D. citadel 6. A shoulder B. south C. round D. housework 7 A. nose B. color C. mother D. Monday 8 A. tea B weak C. breakfast D. cream II. Multiple choice 1) Miss Hoa has __________ hair. a. black long b. long black c. a long black d. oval black 2) Is there _________ milk for lunch? – Yes, there is. a. any b. some c. a d. an 3) _________ is my favorite drink. a. Bread b. Oranges c. Onions d. Orange juice 4) __________ do you go to the zoo? – I never go to the zoo. a. How long b. How often c. How many d. How much 5) They ____________ late for school. a. never go b. are never c. never are d. don‟t go 6) What ’s the ___________ like in the spring? – It‟s warm. a. weather b. summer c. season d. flower 7) My sister and I __________ my homework at the moment. a. do b. am doing c. are doing d. is doing 8) How often does Phong go to the movies? - _____________________. a. Twice a week b. Yes, he does. c. No, he doesn‟t d. One a week 9) We are going to stay ________ a hotel. a. at b. for c. on d. in 10) 45. Let’s __________ to the movies. a. go b. going c. play d. to go 11) - What are we going to do this weekend? ___________ having a picnic? a. let’s b. let’s go c. why don’t we d. what about III. Supply the correct form of verbs 1. What time ……………… you (go) ………………….. to school? 2. Lan ( watch ) ……………………….. T.V three times a week. 3. Nam & Ba often ( go) ………………………. fishing on Sunday. 4. We ( not go) ………………………… to school on Sunday. 5. My brother likes jogging. He ( jog) ……………………… every morning. At the moment, he ( jog)……………………….. in the park. 6. What is she doing ? -She (cook )………………………… lunch. 7 .I often ( play) ………………. soccer with my friends after school. 8 .Nga (visit) …………………………………… Hue next week. 9.They ( do ) …………………………………….. their homework tonight. 10.Nam (visit ) ………………………………… Hue this summer vacation. IV. Match the question in column A with the right answer in column B A B 1. What weather does she like? a. I go swimming 2. How often do you read? b. She is cooking dinner. 3. What is the weather like in the spring? c. She likes warm weather. 4. What is she doing? d. Good idea. 5. How do you go to school? e. No, he doesn‟t. 6. Is it cold in the winter? f. I‟m going to visit Hue. 7. What do you do when it‟s hot? g. Yes, it is. 8. Why don‟t we go to the beach? h. Three times a week. 9. Does your father play volleyball? i. I walk to school. 10.What are you going to do this summer vacation? j. It‟s warm in the spring. V. Reading Mr Hung is an engineer. He works in Da Lat. Every morning, he gets up at five o‟clock. He has some noodles for breakfast.Then he drinks a glass of orange juice. At 6.30, he goes to work by car. He has lunch at a restaurant near his factory. He finishes his work at 4.30. He goes home and has dinner with his family. In the evening, he watches television and read. Questions: a. What does Mr Hung do?............................................ b. Where does he work?. ........................................................ c. Does he eat rice for breakfast?. ................................... d. How does he go to work?........................................................................................ e. Where does he have lunch?..................................................................................... f. Does he have dinner at a foodstall?. ......................................................................... g. What does he do in the evening?. ............................ h. Does he listen to music in his free time?. ......... Ai lm giúp mik vs mik cần gấp trong ngày hnay 🙏🙏🙏🙏

Giúp mình bài này với em đang gấp

Câu 1: Khi chế biến rau, quả theo phương pháp đóng hộp, bước phân loại và làm sạch nguyên liệu được tiến hành như nào? Câu 2: Khi bảo quản thịt bằng phương pháp lạnh, việc sắp xếp thịt trong kho bảo quản được thực hiện như nào? Vì sao bảo quản thịt bằng phương pháp lạnh được áp dụng rất phổ biến?

tìm x biết: (4x-12)(x^3+64)=0 (3x-12)(x^2-4)=0 (x+3)^3:3-1=-10 (3x-1)^3-2=-66