Trong không gian với hệ tọa độ Oxyz, cho ba điểm A B C (1;1;1), ( -1;3; -1), (0, 2,3) và mặt phẳng ( P):x+y+2z-6=0 . Tìm M thuộc (P) sao cho |vectoMA +2vectoMB +3vectoMC|nhỏ nhất. Mọi người chỉ dùm e vs cái đáp án kĩ hơn chút ạ đọc không hiểu cái hệ lấy đâu ra

Phân số nào dưới đây là phân số tối giản? a)60 70 b)57 59 c)44 56 ​ d)59 57 ​

Trình bày đặc điểm chung của virus

giải hệ phương trình x+2/x+1 +2/y-2=6 5/x+1 - 1/y-2=3 Help me

Mọi người giúp em vs ạ II . READ THE PASSAGE AND CHOOSE THE BEST CORRECT ANSWERS TO FILL IN THE BLANKS (10ms) Boring active because him player favorite do things doing playing In goes his at on My younger brother-Tim is an …(1)…… boy. He often does interesting………(2)… He doesn’t like ……(3)…..boring things. He likes ……(4)…..chess with his friend-Nam because Nam is a good chess………(5)…. In summer he often………(6)….swimming with… (7)……classmates. His ………(8)..subjects at school are English and Computer, So he often watches English News ……(9)….TV. Sometimes after having dinner with my family, he spends time on the TV …(10)….“News” is one of favorite programs. * Answer the questions: (5ms) 1. Is Tim an active boy ? ................................................................................................................. 2. What does he like doing with Nam ? Why ? ................................................................................................................. 3. What does he often do in the summer? ................................................................................................................. 4. Does he often watch Cartoon on TV? ................................................................................................................. 5. Why does he spend time on the TV? ...............................................................................................................

làm hộ mình bài này đi mình cảm ơn

em cần gấp ạ vote 5 sao cho anh chị nào nhanh nhất anh càm ơn anh chị :)

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BÀi 3 giải các pt sau: 1, 1,5-(x-3,2) = 5 (0,3+1,2x) 2, 4,5x-4 (0,5x+3x) = 4,7+1,8x 3, 6 (2,8-0,5x) = 2,6+(1,8x-5) 4, 1,2-4,5 (3x+3,1) = 26x-0,25(1,3-4,3x) cho pt (m bình-5)x+2,3 = m-8 với m là tham số giải pt trong mỗi trường hợp sau: a, với m = 1,5 b, với m = -2,7 c, với m = 5,3 d, với m= -3,8 giúp mik vs DÕ dàng hộ mik vs ạ

1. Complete the following sentences with have to or must Example: Oh! It’s late. I have to (must) go home now. a) Many children in Britain_______ wear uniform when they go to school. b) You really_____ work harder and harder for the coming examinations. c) Many boys and girls in my school_________ wear glasses because they are short-sighted. d) I’m afraid I can’t come tomorrow. I______ work late to finish my project. e) I________ do my homework every day. f) Sorry. We________ go or we’ll miss the last train. g) – Why _____ he get up early? – Because he_________ deliver milk to every house in the neighborhood. h) You________ put knives out of children’s reach. i) We haven’t got much time. We_________ hurry.