Hai dây dẫn thẳng, rất dài, đặt song song, cách nhau 10cm trong không khí, có hai dòng điện cùng chiều, có cường độ I1= 6A; I2= 12A chạy qua. Xác định cảm ứng từ tổng hợp do hai dòng điện này gây ra tại điểm M cách dây dẫn mang dòng I1 6cm và cách dây dẫn mang dòng I2 8cm

câu 3 : | x+9 |.2 = 10 Câu 4: Tìm số nguyên n để: 3n + 8 chia hết cho n - 1

Giải thik rõ ràng giùm mik , đag gấp

Nêu đặc điểm chung của quá trình phân giải protein và polisacarit

Bài tập kết hợp thì hiện tại đơn và hiện tại tiếp diễn 1. Hoa (live).in HN, and Ha (live) in HCM City. 2. Hung and his friend (play).badminton. 3. They usually (get up)… at 6.00 in the morning. 4. Ha never (go)……….fishing in the winter but she always (do) it in the summer. 5. My teacher (tell)… Hoa about Math. 6. There (be)…………………..animal in the circus. 7. .he (watch)……………..TV at 7.00 every morning? 8. What…she (do)……………..at 7.00 am? 9. How old…………….is she (be)? 10. We (not read)…………………after lunch. 11. My children (go)…………..to school by bike. 12. We (go)…..to supermarket to buy some food. 13. Mr.Hien (go)…..on business to Ha No every month. 14. Ha (like)… cats, but she not like ………dogs. 15. She (like)....coffee very much, but I (don like).it. 16. He (write)......some letters for his friends since 9:00 17. They( learn) ......foreign language with some their neighbors for 2 hours? 18. He ever(not look) at someone 19. She (not play) games since she was a child 20. Hoa (prepare) her meal so far Câu 18-19-20 anh chị làm cho rõ cái nha, tại đề này thầy e giao ạ, câu 18-19-20 k có .... nên anh chị làm rõ giúp e. Để e hiểu ạ

Làm hộ mình câu c,d,e,g,h,i nhen !

I. Choose the word which is stressed differently from the rest. 1. A. coffee B. rupee C. trainee D. agree 2. A. Canadian B. festive C. Canada D. unique 3. A. definition B. improvement C. population D. guarantee 4. A. schedule B. unique C. puzzle D. awesome 5. A. camera B. volcano C. establish D. industrial II. Choose the best answer 6. A koala …………………….about 18-20 hours sleeping in tree forks. A. is spending B. has spent C. are spending D. spends 7. The number of kiwis in this area ……………………quickly. A. is decreasing B. are decreasing C. have decreased D. will decrease 8. The kangaroo ……………………a symbol of Australia since 1773. A. is becoming B. have become C. has become D. becomes 9. Over 670 million people ……………Disneyland since it opened in 1955. A. has visited B. have visited C. is visiting D. are visiting 10. Singapore is famous for its……………….and green trees. A. cleanliness B. cleanly C. cleaning D. clean 11. Nowadays you still see the …………………men wear skirts to wedding or other formal occasions. A. Scottish B. Scotland C. Scots D. Scot 12. Mr Nam ……………………breakfast with the president of the US tomorrow. A. have B. has had C. has D. had 13. The Statue of Liberty is a major monument in New York which …………..freedom. A. attracts B. symbolizes C. decides D. understands 14. My brother …………………….work in Liverpool next Monday. A. starts B. has started C. start D. is starting 15. The train …………..in Edinburgh at 11 tonight as it departed late. A. don’t arrive B. isn’t arriving C. doesn’t arrived D. aren’t arriving 16. We ……………….on the Great Ocean Road, an Australian National Heritage at the moment. A. will drive B. drive C. have driven D. are driving 17. The plane from Washington D.C. to Ottawa………………..in 15 minutes. A. leave B, is leaving C. has left D. leaves 18. The flight number 781 to Melbourne ………….at 9 o’clock tomorrow morning. A. arrives B. is arriving C. has arrived D. will arrive 19. England, Scotland Wales and Northern Ireland together ……..the United Kingdom. A. forms B. form C. have formed D. formed 20. John ………………here for a long time. A. lived B. lives C. has live D. is living

Tìm giá trị nhỏ nhất: H= ( x-2)(x-5)(x^2-7x-10) mik vote 5 sao cho nhoa

I. Choose the word which is stressed differently from the rest. 1. A. coffee B. rupee C. trainee D. agree 2. A. Canadian B. festive C. Canada D. unique 3. A. definition B. improvement C. population D. guarantee 4. A. schedule B. unique C. puzzle D. awesome 5. A. camera B. volcano C. establish D. industrial II. Choose the best answer 6. A koala …………………….about 18-20 hours sleeping in tree forks. A. is spending B. has spent C. are spending D. spends 7. The number of kiwis in this area ……………………quickly. A. is decreasing B. are decreasing C. have decreased D. will decrease 8. The kangaroo ……………………a symbol of Australia since 1773. A. is becoming B. have become C. has become D. becomes 9. Over 670 million people ……………Disneyland since it opened in 1955. A. has visited B. have visited C. is visiting D. are visiting 10. Singapore is famous for its……………….and green trees. A. cleanliness B. cleanly C. cleaning D. clean 11. Nowadays you still see the …………………men wear skirts to wedding or other formal occasions. A. Scottish B. Scotland C. Scots D. Scot 12. Mr Nam ……………………breakfast with the president of the US tomorrow. A. have B. has had C. has D. had 13. The Statue of Liberty is a major monument in New York which …………..freedom. A. attracts B. symbolizes C. decides D. understands 14. My brother …………………….work in Liverpool next Monday. A. starts B. has started C. start D. is starting 15. The train …………..in Edinburgh at 11 tonight as it departed late. A. don’t arrive B. isn’t arriving C. doesn’t arrived D. aren’t arriving 16. We ……………….on the Great Ocean Road, an Australian National Heritage at the moment. A. will drive B. drive C. have driven D. are driving 17. The plane from Washington D.C. to Ottawa………………..in 15 minutes. A. leave B, is leaving C. has left D. leaves 18. The flight number 781 to Melbourne ………….at 9 o’clock tomorrow morning. A. arrives B. is arriving C. has arrived D. will arrive 19. England, Scotland Wales and Northern Ireland together ……..the United Kingdom. A. forms B. form C. have formed D. formed 20. John ………………here for a long time. A. lived B. lives C. has live D. is living

liệt kê và tính tổng tất cả các số nguyên x thoả mãn a,-4<X<5;b,-7< =x<7;c-9<x< =6