B1Trên tian Ox lấy 2 điểm A,B sao cho OA = 4cm , Ob = 8cm a, Tính độ dài đoạn thẳng AB b, Diển A có phải là trung điểm của đoạn thẳng OB ko? Vì sao? c, Trên tia Ox lấy C sao cho OC = 10 cm . chứng minh B nằm giauwx A và C

Sentence transformation 7B 1. John smoked cigarettes when he was a young man.  John used 2. “Hand your books to me when you have finished, please.”  He asked me 3. In countries like Britain the weather changes all the time.  In countries like Britain, the weather is 4. You do not have to pay for secondary education in Britain.  Secondary education 5. He had a weak heart which meant he couldn’t walk very far.  His heart 6. Unless he phones immediately he won’t get information.  If 7. How long is it since they bought the house?  When 8. He couldn’t repair the broken vase.  The 9. The garden still needs digging.  The garden hasn’t 10. Have you had a cheaper carpet than this?  Is this ?

Sentence transformation 7B 1. John smoked cigarettes when he was a young man.  John used 2. “Hand your books to me when you have finished, please.”  He asked me 3. In countries like Britain the weather changes all the time.  In countries like Britain, the weather is 4. You do not have to pay for secondary education in Britain.  Secondary education 5. He had a weak heart which meant he couldn’t walk very far.  His heart 6. Unless he phones immediately he won’t get information.  If 7. How long is it since they bought the house?  When 8. He couldn’t repair the broken vase.  The 9. The garden still needs digging.  The garden hasn’t 10. Have you had a cheaper carpet than this?  Is this ?

anh chị ơi hướng dẫn e chỗ 2[2(k+1)-1]=(k+1)^2 với e không hiểu tại sao chỗ đó để ngoặc ấy không cần giải ra e chỉ hỏi sao ra cái đó là được ạ e hứa vote 5 sao + cảm ơn

tim x: a] X x4,2 = 3,15 : 0,1 b] 7,5 : X = 62,5 : 10 Lam on giup to nhe !

Giúp mình với ạ , mk đang cần gấp !

Merry Christmas! The holiday spirit is in the air! What exactly is the "holiday spirit"? What does it mean to you? Write a brief paragraph (about 150 words) with your thoughts on the "holiday spirit".

anh chị ơi hướng dẫn e chỗ 2[2(k+1)-1]=(k+1)^2 với e không hiểu sao lại có ngoặc vuông bla bla á không cần giải ra e chỉ hỏi sao ra cái đó là được ạ e hứa vote 5 sao + cảm ơn ạ

Sentence transformation 6B 1. She and I have never been there before.  Neither 2. It was such good weather that we went swimming.  The weather 3. I can’t see that far.  It is too 4. I have never been to the ballet before.  It is 5. John doesn’t always speak the truth, I’m afraid.  You can’t 6. Why don’t you put your luggage under the seat? He asked.  He suggested 7. The restaurant is so dirty that no one wants to eat there.  It is such 8. I’m always nervous when I face a lot of people.  Facing 9. Apples are usually cheaper than oranges.  Apples are not 10. You can’t visit Moscow unless you get a visa.  If you

anh chị ơi hướng dẫn e chỗ 2[2(k+1)-1]=(k+1)^2 với e không hiểu như nào lại có ngoặc vuông bla bla á không cần giải ra e chỉ hỏi sao ra cái đó là được ạ e hứa vote 5 sao + cảm knw ạ