+Ta có: MN^2+MP^2=5(1)
NP^2=5(2)
Từ (1) và (2)⇒MN^2+MP^2=NP^2
⇒Tam giác MNP vuông tại M (Đ/l Py-ta-go đảo)
Mọi người giúp em nha Em cảm ơn rất nhiềuuu💗💗
1.Đốt cháy hoàn toàn 3.2gam S trong bình chứa 1.12l O2 Chất nào hết sau phản ứng 2.Để có khí O2 tác dụng với 7.2gam C thì khối lượng KClO3 cần dùng khi có chất xúc tác MnO2 là
Nêu khái niệm công suất, đơn vị của công suất.
bài 1 cho biết 15kg cát có thể tích là 10 lít . khối lượng riêng của bao cát là bao nhiêu bài 2 cho biết 5 lít xăng có khối lượng là 3,5kg . hãy tính khối lượng riêng và trọng lượng riêng của xăng
Các bn làm bài này giúp mik nha, bn nào có câu trả lời hay, đúng và nhanh nhất sẽ đc tặng 5 sao+cảm ơn+câu trả lời hay nhất.
Cho 150ml dung dịch Al2(SO4)3 0,2M vào100ml dung dịch NaOH 2M.Khối lượng kết tủa thu được sau phản ứng là
Làm hộ mình bài này nâng cao không biết làm
tim so tu nhien x,y.sao cho(2x+1).(y-5)=12
CuO + HNO3 ra gì ạ? Có pt nào ra đc khí NO ko ạ?
III. Choose the word or phrase among A, B, C or D that best fits the blank in the following passage. British further education qualifications are respected by employers and (1) ____ worldwide. There are two main types: academic courses, and vocational and professional courses. Academic courses help you (2) ____ for higher education at a university or college. They aim to develop your analytical skills, critical 23 thinking and knowledge. (3) ____ and professional courses give you the skills and qualification you need to enter and succeed in your chosen career. They offer technical (4) ____ and skills for the workplace. British (5) ____ education providers invest heavily in facilities - from libraries, computer centres and science laboratories to sports centres, theatres and arts studios. Class sizes are (6) ____ to ensure that you have access to equipment and enough time to talk to your tutors and lectures. British qualifications are a great boost to your CV and to your earnings. Employers are increasingly looking for (7) ____ with multicultural experience. Moreover, British colleges and universities have strong links with industry - many courses are designed in partnership with, and taught by, industry professional. Many include the option of a year in industry or a work placement, giving you real professional (8) ____. English is widely regarded as the language of business. Studying in the UK helps you learn language quickly, through your studies, friends and everyday life. If you need any additional support, (9) ____ are lots of English language classes across the UK. The UK is a truly multicultural society, with a wonderful mix of people from many different backgrounds. As a student, you'll get to know people from all over the world and be inspired by many cultures. Many colleges have international offices and advisers to ensure you feel welcome and are supported (10) ____ your time in British further education. 1. A. academics B. academy C. academical D. academically 2. A. get B. prepare C. make D. support 3. A. Occasional B. Vocational C. Optional D. Various 4. A. growing B. changing C. adding D. training 5. A. further B. each C. both D. every 6. A. bored B. restricted C. expensive D. attracted 7. A. joins B. enters C. arrives D. graduates 8. A. experiment B. factor C. experience D. problem 9. A. there B. that C. which D. they 10. A. in B. over C. throughout D. cross
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