một chiếc mô tô chuyển động từ A đến B. Trên 1/2 quãng đường đầu, mô tô chạy với vận tốc không đổi v1 = 25 km/h. Trên đoạn đường còn lại thì 1/2 thời gian đầu mô tô chạy với vận tốc không đổi v2=30km/h, trong 1/2 thời gian cuối mô tô chạy với v3= 45km/h. Tính vận tốc trung bình của chuyện động của mô tô trên cả quãng đường AB. 

GIÚP VỚI! MÌNH ĐANG CẦN GẤP!!

Một ô tô khởi hành từ A - B. Trên 1/2 quãng đường đầu ô tô đi với v1= 30km/h, nửa quãng đường sau ô tô đi với v2. Vận tốc trung bình trên cả quãng đường là 37,5 km/h. Tính v2

Help me

Tony can't be trusted yet with too much responsibility, he's still ____.

Help me plz, I need fast

Complete sentences 1 – 18 with idioms and other expressions from the box.

a bit of a do / do as you're told/do me a good turn / do the sights / do the trick / do to a turn /do me a favour/

do's and don'ts / do the dirty/ do you a world of good/ do you justice/ do your dirty work/ make do with/

take some doing/ that does it/ that's done it/ the done thing/ you were done

1. This steak is delicious. It's _______.

2. We haven't got any coffee, I'm afraid. We'll have to __________ tea.

3. The boss spent all morning writing out a list of __________ for the office.

4. __________, Harriet! One more word from you, and you can leave the room immediately!

5. We've missed our train. __________! Now we'll never get to London in time for the show.

6. You need a holiday. A break would __________.

7. That's a nice dress you're wearing, but it doesn't really __________.

8. You paid £200 for that old television? __________!

9. We're having __________ this Saturday to celebrate our anniversary.

10. If the printer doesn't work, hit it gently: that usually __________.

11. We spent a week in Paris, and __________.

12. I don't believe you sold your broken computer to Paul. How could you __________ on one of your friends like that?

13. I'm fed up __________!

14. I was wondering if you could __________. I need to borrow £20.

15. __________, Alison, or I'll send you to your room.

16. It will __________ to get all this work finished by five o'clock.

17. Jane __________ last week, and I would really like to return the favour.

18. You shouldn't argue with your teacher. It's not __________. (to be the correct or suitable thing to do)

Help me plz! I need it fast

1.He dislikes_____________ what to do.

A.  people tell him                  B. being told                      C. to be told                                            D. they telling him

2. The music at the party was very loud and_____________ from far away.

A.  can hear                             B. could hear                     C. can be heard                                        D. could be heard

help me plz