Giúp e vs ạ.

GIẢI BẤT Phương TRÌNH

a. ( 2x - 3 ) ( x + 1 ) <0

b. 2x + 6 / ( x + 4 ) ( x - 2 ) <0

c. 1/x + 2 - 2/3 - x >0

d. 2/x + 1 < 5/x + 2

Giúp e vs ạ 🤧

Ca dao Khăn thương nhớ ai.

Vì sao khăn được hỏi đầu tiên và hỏi nhiều nhất

1 vật được thả rơi tự do. Trong giây thứ 2 , vật đi được quãng đường gấp bao nhiêu lần quãng đường vật rơi trong giây thứ nhất.

Một phân tử ADN có chiều dài 408 nm trong đó có hiệu số giữa A và 1 loại nuclêôtít khác là 10%

a, Xác định tổng số nuclêôtít của ADN?

b, Xác định số vòng xoắn?

c, Xác định khối lượng phân tử ADN?

d, Xác định số nuclêôtít từng loại của ADN ?

e, Xác định số khối lượng hydro của ADN?

Giúp mjk vs ạ. :<

Một phân tử ADN có chiều dài 408 nm trong đó có hiệu số giữa A và 1 loại nuclêôtít khác là 10%

a, Xác định tổng số nuclêôtít của ADN?

b, Xác định số vòng xoắn?

c, Xác định khối lượng phân tử ADN?

d, Xác định số nuclêôtít từng loại của ADN ?

e, Xác định số khối lượng hydro của ADN?

Giúp mjk vs ạ. :<

Giúp mjk vs cacban

Một phân tử có chiều dài 0.408pm trong đó có nuclêôtít loại A chiếm 20% tổng số nuclêôtít

a, Xác định tổng số nuclêôtít của ADN

b, Xác định số vòng xoắn?

c, Xác định khối lượng phân tử ADN?

d, Xác định số nuclêôtít từng loại của ADN?

e, Xác định số khối lượng hyđrô của ADN?

Giúp mình với ạ ><

Put the verb in the bracket into the simple present tense

1. She.......(study) English very well

2. My father often.......(phay) tennis in the morning

3. Ann........(speak) German very well

Put the verb in the bracket into the simple past tense

1. I........(buy) a lot of gifts fir my little sister

2. Trung.......(eat) chicken and rice for dinner last night

3. My friend.......(have) a great time after the trip

Supply the correct verb forms

1. We seldom____(eat) before 6:30

2. The sun ____(set) in the West

3. Yesterday Mai _____(go) to the store to buy some snacks

4. You____(speak) to Mr. Ba yesterday

5. It____(be) often hot in the summer

6. Mike ___(win) a gold medal in 1996

7. How often___you (go) to your English class? Well, I ____ (go) there twice a week

8. Me and my friends___( feel) super excited when we participated in the game show many years ago.

Rewrite these sentences using relative pronouns

1. Brenda is a friend. I went on holiday with her.

2. This is Mr Smith. His son Bill plays in our team.

3. Her book was published last year. It became a best seller.

4. This is the bank. We borrowed the money from it.

5. I told you about a person. She is at the door.

6. Jack's car had broken down. He had to take a bus.

7. I lent you a book. The book was written by one my friends

8. Some boys were arrested. They have been released.

9. Do you know a restaurant? We can have a good meal these.

10. I don't remember the day. I left school on that day.

11. This is the man. I met him in Paris.

12. I wanted the painting. You bought it

13. This is the chair. My parents gave it to me.

14. She's the woman. She telephoned the police.

15. He's the person. He wanted to buy your house.

16. We threw out the computer. It never worked properly.

17. Are you the man? The man won the first prize

18. The man was badly injured. He was driving the car.

19. The children broke the window. They live in the next street.

20. That's the woman. I was telling you about her.

Giúp mìn vs 😔

Change these statements into reported speech

1. "When are you coming back?" I asked her.

2. "When did you telephone your mother?" I asked Mary.

3. "How far do i have to walk?" She asked.

4. "What are you doing?" He asked.

5. "Why are you so late?" The teacher asked him.

6. I asked the doctor, "How many times a day should i take the medicine?"

7. "What time does the plane arrive?" We asked.

8. "Why didn't you phone?" My father asked me.

9. "Where did you stay in Paris?" He asked her.

10. "Who did you see at the meeting?" My father asked me.

11. "Where are you going?" I asked her.

12. "How are you?" He asked me.

13. "How did you go to school?" She asked.

Giúp mjk với ạ :<

Change these statements into reported speech

1. He asked, " Are you enjoyed yourself?"

2. She asked him, " Have you finished your exams?"

Giúp vs ạ. Đg cần gấp