1.Diện tích của một hình chữ nhật bằng 48 cm2, một cạnh của nó có độ dài 8cm. Đường thẳng song song với một trong các cạnh của hình chữ nhật chia hình chữ nhật đó thành hai hình chữ nhật bằng nhau. Tính chu vi của mỗi hình chữ nhật được tạo thành.

I. Write the sentence so that it has a similar meaning to the original one. 1. Why do you come home late?  What ………………..................................................................................................................................................……………. 2. It is common knowledge that he has been in prison several times.  He is known ……...................................................................................................................................................................... 3. She cannot get into the habit of studying every evening.  She cannot be ………….............................................................................................................................................………… 4. We have not visited the museum before.  This is ……...............................................................................................................................................................................… 5. Immediately after his arrival, things went wrong.  No sooner ………................................................................................................................................................………………. 6. Tam doesn’t type as fast as she used to. Tam used …………….........................................................................................................................................................…….. 7. How long is it since you used the car? When …………………...............................................................................................................................................................…. 8. We started living here 15 years ago. We have………………............................................................................................................................................………………. 9. Let’s meet inside the center, at the cafe corner? How…………………….........................................................................................................................................................……… 10. Nam is very strong, he can do heavy work. Nam is strong …………................................................................................................................................................………… II. Use the following set of words and phrases to complete the following sentences. You can put additional words and make any changes necessary. 1. Last night / cashier / force / hand / money / by / robber.  …………………………...............................................................................................................................................................…… 2. 1897 /when Jack London / 21 / year / old / gold / discover / Alaska.  …………………….............................................................................................................................................................................. 3. If / Peter / wake / earlier / not / miss / train. ...…………………................................................................................................................................................................................ 4. This / be / good / computer / I / ever / use. ………...……….................................................................................................................................................................................… 5. I / ask / Mary / if she/ come / Sydney/ Australia.  ................................ ..........................................................................................................................................................................

cho hình bình hành ABCD .một đường thẳng đi qua D cắt AC AB CB theo thứ tự tại M N K cmr a.DM^2=MN.MK b.(DM/DN)+(DM/DK)=1 Đánh máy tớ cộng sao cho nhé

Mot kho chua 4500kg thoc .nguoi ta dubg 5phan tram de ung ho nguoi ngheo .10 phan tram so thoc con lai dung quy khuyen hoc. Ti so phan tram cua so thoc da dung so voi so thoc luc dau trong kho la A 145 B14,5 C1,45 D0,145 Moi nguoi giup minh voi viet cach giai nua nha.cacg som cang tot

Cho pt (m-5)x²+2(m-1)x+m=0 . Tìm điều kiện của m để pt có 2 nghiệm phân biệt x1 ,x2 sao cho x1<1<x2

II/ Complete the passage with the suitable words in the bo Relatives; top; preparations; holiday; put; are; although; bought Christmas is the biggest ................(1) of the year in the most of Britain. Celebrations start on 24 December, Christmas eve, ................(2) there have been several weeks of ..................(3) before hand. The Christmas trees, presents, food, drinks and decorations have been ...............(4). Christmas cards have already been sent to friends and................(5). About a week before Christmas, people usually.............(6) up their decorations and an angel on the .................(7) of the Christmas tree. Family presents .............(8) usually put under the tree.

Phân tích đa thức thành nhân tử 12- căn bậc 140

tìm tất cả các cặp số nguyên ( x , y ) biết : a) ( x +3) . ( y -2 ) = 7 b) ( x -1 ) . ( y + 2 ) = 5 giúp mik nha nhanh nhanh cần gấp

I/ Choose the suitable words or phrases to fill in the blanks ( 3ms) 1. Cool the burns immediately so as to ............ tissue damage A. ease B. relieve C. minimize D. maximize 2. Milk bottles can be ..................after being cleaned A. reused B. recycle C. thrown away D. broken 3. The old lamp ............... in china is five dollars A. make B. makes C. to make D. made 4. Millions of Christmas cards ...............every year A. were sent B. are sent C. send D. is sending 5. He had his father..................... his watch A. fixed B. fixing C. to fix D. fix 6. He asked me ............... a driving license A. if I have B. whether I have C. if I had D. whether I have had

Một chiếc xà lan có dạng hình hộp dài 8cm ,rộng 4cm.xác định trọng lượng của xà lan cùng hàng hóa , biết xà lan ngập sâu trong nước1,5m .Trọng lượng rieng của nước là 1000N/m2.