Đáp án:
Giải thích các bước giải:
A
Đáp án: `A`
Giải thích các bước giải:Vì `0x=0 \forall x`
Giải giúp mình nha mình cho 5 sao
Exercise 3: Underline the mistake and correct it 1. My keys were find in the living room. ________________________________________________________________ 2. Household rubbish is took to a large dump. ________________________________________________________________ 3. The local library located near the local school. ________________________________________________________________ 4. The chair was fixed with Jim. ________________________________________________________________ 5. This fridge was bought in 2000 by my brothers. ________________________________________________________________ 6. The birthday cake was cutted into 8 pieces. ________________________________________________________________ 7. The organization were founded in 1970. ________________________________________________________________ 8. The streets are litter with rubbish. ________________________________________________________________ 9. The old man helped by his grand children. ________________________________________________________________ 10. Many houses were destroy in the flood. ________________________________________________________________
khoanh và giải giúp em đi mọi người không cần giải chi tiết
Giải phương trình: 5x + 3,48 - 2,35x = 5,38 - 2,9x + 10,42
mọi người làm giúp mk câu 6 nha.mk sẽ vote sao và cảm ơn ạ
Mình cần gấp sẽ vote cho đáp án hay và nhanh nhất ạ...
Bài 4: Cho tam giác ABC cân tại A. Trên cạnh BC lần lượt lấy hai điểm M, N sao cho BM = CN. a) Chứng minh rằng : Tam giác AMN là tam giác cân . b) Kẻ BH AM ( H AM ), kẻ CK AN ( K AN ). Chứng minh rằng BH = CK, AH = AK. c) Gọi O là giao điểm của BH và CK. Tam giác OBC là tam giác gì ? d) Khi và BM = MN = CN, hãy tính số đo các góc của tam giác ABC. giúp mình với ! mình vote 5 sao
Câu 2: Khi nung CaCO3 chất này phân hủy tạo ra CaO và cacbon dioxit. Tính khối lượng CaO tạo thành và thể tích cacbon đioxit thoát ra ở (đktc) khi nung 192 kg CaCO3.
Giai giup minh nha moi nguoi minh dang can gap
UNIT 1: MY HOBBIES I. Put the verbs in brackets into the present or future simple 1. I ( help) ................................... you with these heavy bags. 2. Mary ( buy) ................................ a new houses for her family next year. 3. I hope you (get) ..............................good grades next semester. 4. The visitors probably ( visit) ..................................... the museum tomorrow afternoon. 5. She promises that she (not tell) ......................................anyone what happened. 6. My grangparents often (watch) ..............................TV in the evening. 7. These boys (walk) ......................................................................to school everyday? 8. We (smell) ....................................................something burning. 9. He ( not be) ............................................a lazy boy. 10. His children ( never play) ................................... computer games. 11. They (be) .....................................usually at homr on Sundays. 12. These students often ( have) ........................................lunch in the school canteen. 13. Dorothy sometimes (help) ...........................................her mother to do the housework. 14. What he ( usually have) ...............................................for breakfast? _ Rice and boiled eggs or meat. 15. He ( look) ...........................................tired and hungry now. 16. Don’t worry. You all (know) ..........................................the result tomorrow. 17. You ( have) ......................................... time to help me when I need you? 18. Do you think he ( recognize) .............................................. me? 19. Perhaps he ( arrive) .............................................in time for lunch. 20. I am sure that you (like) ........................................our new house. II. Use the present or future simple form of each verb in brackets to complete the passage There are four people in my family. We (1. have) .......................... different hobbies. My father (2.like) .......................... playing badminton. He (3.play) .................................it almost everyday. My mother (4. not like) ..................................... this sport. She (5. enjoy) .................................. walking. Every morning she (6. walk) .............................for about two kilometers. Next year, I (7. join ) ........................... her. My younger sister (8. love) .................................reading books. There is a big bookshelf in her room. I (9. not like) ...................................her books because they are usually picture books. She says she (10. read) ...................................other kinds of books when she
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