Cho tam giac abc đg pg AN tinh NC bt AB/AC=4/5 BC=18

Làm hộ bài cuối ạ, cảm ơn nhiều

VT pt đt bậc nhất (d) bt (d) đi qua điểm A(-2;7) và (d) cắt đt y=2x-5 tại điểm có hoành độ là 3 trên mô tọa độ Oxy

Identify the mistake in each sentence 10 He likes play soccer after school. A B C D 11 Nancy works hard every day, but her sister isn't. A B C D 12 He likes cartoons so they are funny and colorful. A B C D Give the correct form of the verbs in the brackets to complete the sentences 13 We (watch) ________ a good programme on TV last night. 14 The people in the café (not be) ________ friendly when I was there yesterday. 15 Susan (not know) ________ about the exam and she did very badly. 16 I (buy) ________ a ticket for the football match yesterday. 17 Where ________ you (go)________ on holiday last year? 18 We (study) ________a very hard lesson the day before yesterday. Bài này nữa nhé

Cho parabol (P) : y = 1/2 x^2 viết phương trình đường thẳng đi qua điểm A (-1;1) và tiếp xúc với (P)

Ai giúp mình với ạ ! Ai nhanh nhất và đúng nhật mình cho 5 sao ạ! Cảm ơn ạ!

. Complete the sentences , using the past form of the verbs from the box. return , be , buy , eat , go , see , stay , spend 1. The seafood in Nha Trang ........................very good. 2. My mother ..............................me a cap yesterday . 3. We...............................in a lovely hotel near the sea. 4. They ......................on holiday two days ago . 5. Tom ...................many types of fish in Tri Nguyen Aquarium . 6. They...........fish and crab for their dinner . 7. He...............all his money on travelling . 8. Mr Robinson ........................to Ha Noi from Nha Trang yesterday evening . II. Choose the letter A,B,C,D for each sentence to indicate the correct answer to each of the following 1. When they ..............free , they often played with each other . A. are B. were C. Will be D. was 2. He .................his children to the zoo last Sunday . A. take B. takes C. taked D. took 3. She ...............us Literature every Monday morning . She ...............us yesterday . A. teaches-teach B. teaches-taught C. taught-taught D. taught-teaches 4. It took us five hours ..........................to Da Lat by coach . A. to go B. to going C. go D. going 5. She ...................to work yesterday . A. isn’t going B. not go C. doesn’t go D. didn’t go 6. What time ....................you go to bed last night ? A. did B. do C. were D. will 7. He..............a letter to his penpal last week . A. send B. sends C. sending D. sent 8. They ...............Nha Trang last summer .

Cho tam giác ABC nhọn nội tiếp đường tròn (O). Các tiếp tuyến tại B và C cắt nhau tại N. Vẽ dây AM song song với BC, đường thẳng MN cắt đường tròn tại điểm thứ hai P. Đoạn thẳng AP cắt BC tại D. a. Chứng minh rằng: BD=DC b. Giả sử $\frac{1}{OB2}$ +$\frac{1}{NC2}$ =$\frac{1}{16}$ . Hãy tính độ dài đoạn BC.

Choose the best answer to fill in the blank. 3 “Let's learn’' teaches children to study Maths. It’s an ________ program. A. educational B. entertaining C. popular D. live 4 People in Tokyo are very polite ________ friendly. A. and B. so C. but D. or 5 I had to work on Saturday ________ I couldn't go to John's party. A. so B. but C. because D. and 6 I________ my close friend a cushion for her chair yesterday. A. give B. gave C. given D. gived 7 I________ what teacher ________ in the last lesson. A. didn't understood/ said B. understood/ say C. understand/ say D. didn't understand/ said 8 ‘Let's learn' teaches children to study Maths. It's an ________ program. A. educational B. entertaining C. live D. popular 9 We ________and________ lunch at the cafeteria with them. A. talk/ had B. talked/ have C. talked/ had D. talked/ have giúp mình với mình tim cho (hiện mình cần gấp)

1. Phép nhân và chia phân số 1/5: 7/10 6/7x ( 2/3 - 3/5) 1/4: 3/8x6/5