tìm x,y là số nguyên biết x/y=4/3 Giúp mình vs

1 hình cầu nội tiếp trong 1 hình trụ. Cho biết diện tích mặt cầu là 60cm2. Hãy tính: a)Diện tích toàn phần của hình trụ b)Thể tích hình trụ

Giải hộ 2 bài này giúp mình với ạ mình cần rất gấp

Thế hệ xuất phát có tỉ lệ kiểu gen Aa là 100%. Nếu cho các cây tự thụ phấn liên tục qua 3 thế hệ thì tỉ lệ kiểu gen đồng hợp AA là bao nhiêu? * A 43,75% B 12,5% C 25% D 87,5%

X : 15 - 34,87 = 52,21 + 6

Giúp Mk phần tự luận vs ạ Cảm ơn các bạn

This is the first time he went abroad.  He hasn’t __________________________________________________________ 20. She started driving 1 month ago.  She has ___________________________________________________________ 21. We began eating when it started to rain.  We have __________________________________________________________ 22. I last had my hair cut when I left her.  I haven’t _________________________________________________________ 23. The last time she kissed me was 5 months ago.  She hasn’t________________________________________________________ 24. It is a long time since we last met.  We haven’t________________________________________________________ 25. When did you have it ?  How long_________________________________________________________ 26. This is the first time I had such a delicious meal .  I haven’t_________________________________________________________ 27. I haven’t seen him for 8 days.  The last___________________________________________________________ 28. I haven’t taken a bath since Monday  It is______________________________________________________________ 29. It's 2 years since I had a punture.  I have _____________________________________________________________ 30. It's 2 months since he earned any money.  He has ___________________________________________________________ 31. He last shaved the day before yesterday.  He hasn’t _________________________________________________________ 32. I last drank champagne at my brother's wedding.  I haven’t _________________________________________________________ 33. It's 2 years since I was last in Rome.  I haven’t _________________________________________________________ 34. I saw Tom last on his wedding day.  I haven’t _________________________________________________________ 35. I last ate raw fish when I was in Japan  I haven’t _________________________________________________________ 36. It's years since Mary last spoke French.

Một vườn cây có 275 cây ăn quả và cây lấy gỗ, trong đó cây ăn quả chiếm 40% tổng số cây trong vườn. Hỏi vườn đó có bao nhiêu cây lấy gỗ ? Bài giải

The basketball court is far from my house. It is always full of players  A: The basketball court is far from my house which it is always full of players.  B: The basketball court which it is always full of players is far from my house.  C: The basketball court is far from my house which is always full of players.  D: The basketball court which is always full of players is far from my house.

Question 1: Give the correct form of the following verbs. (2.0 points) 1. He (not go)……………….. out last night, he (stay)………………….. at home. 2. …………..Lan (learn)…………………….… English for 2 years? - No, he (learn)…………………. for 3 years. 3. ………………….you (wear)……………………… uniform yesterday? - No. I (not wear)……………………. yesterday. 4. ……….your mother (read)…………………… book every night? - No, she (watch) ………………………………TV.