cho đồ thị hàm số Y=2X có đồ thị d1 và đồ thị hàm số Y=X+2 có đồ thị d2 a) tìm tọa độ giao điểm A của hai dt trên . b) Gọi M là điểm trên trục hoành có hoành độ là -1và điểm N trên trục tung có tung độ là 4/3 .Chứng minh ba diểm A,M,N thẳng hàng. c)Tính chu vi tam giác OMN

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1/ x. (x - 3)= (x + 2)^2 2/ 2x (x + 1)= (x - 1) (2x + 1) 3/ x. (x + 2 ) + (x - 1 ) . (x + 1 )= 2x^2 + 7

Cho đường tròn ( O, 13 cm) , dây AB = 24 cm. Tính khoảng cách từ tâm O đến dây AB

bài hộ mình bài 3 (hình) phần tự luận.cảm mơm

Cho 34,8 gam MnO, vào dd HCl dư thì thu được bao nhiêu lít khí bay ra (đktc) giả sử hiệu suất phản ứng là 80%

Viết một đoạn đoạn văn miêu tả (khoảng 8 câu)theo chủ đề : ô cửa tháng 3

PHIẾU BÀI TẬP MÔN TIẾNG ANH 8 I. Write the missing letters -ese or -ee, then put the words into the correct columns. interview__ Canton__ Japan__ adopt__ employ__ Portugu__ Chin__ Congol__ guarant__ address__ Taiwan__ degr_ assign__ consign__ refug__ Sudan__ Leban__ Nepal__ committ__ train__ -ese -ee II. Mark the stress for the following words, then complete the sentences. Japanese addressee Vietnamese adoptee Portuguese trainee referee employee Refugees escapees Cantonese examinee 1.The__________ name was spelled incorrectly on the letter. 2.Her boss thinks she is a hard-working__________. 3.The__________ are the people of the Guangdong region in the South of China. 4.The__________ whistled and the game was over. 5.Thousands of__________ have entered the camps along the borders in recent days. 6.The__________ kimono is one of the world’s recognizable traditional garments. 7.A Vietnamese male__________ has found his biological parents. 8.The__________ had only just finished the test when the bell rang. 9.Susan has lived in Hanoi for a year and she is studying__________. 10.A__________ teacher showed the children what to do. 11.__________ is the national language of Brazil. 12.The__________ were recaptured after three days on the run. III. Match countries with their people and capitals. London Irish Ottawa Dublin New Zealander American Cardiff Wellington Australian Canberra Washington D C Scottish Edinburgh English Canadian Welsh Country People Capital 1.Ireland 2.The USA 3. Canada 4.Scotland 5.New Zealand 6.England 7. Australia 8.Wales IV. How much do you know about English speaking countries? Choose the best answers. 1. Where is Disney World? A. Texas​B. California​C. Florida​D. Arizona 2. Which country is home to the kangaroo? A. Canada​B. New Zealand​C. The USA​D. Australia 3.Loch Ness, known for sightings of a monster called Nessie, is a large and deep lake in__________. A. Wales B. North Ireland C. Scotland D. England 4. Which City is in Canada? A. Montreal B. Chicago C. Melbourne D. Wellington 5. Wanaka is one of the most visited and favoured towns in . A. England B. Singapore C. New Zealand D. Canada 6. What is the Symbol of New Zealand? A. a koala B. a rooster C. a kiwi D. a bear 7. Which is not a State in the United States? A. Alaska B. Washington DC. C. Michigan D. New York 8. Which is the largest English speaking country? A. Canada B. The UK C. The US D. Australia 9.What is one of the most famous landmarks in Australia? A. Leaning Tower of Pisa B. Great Barrier Reef C. Statue of Liberty D. Machu Picchu 10. What is the name of the most famous clock in Britain? A. Big Clock B. Big John C. Big Apple D. Big Ben

IV. Rewrite the following sentences so that their meaning stays the same, using the words give. 1. The distance from my house to school is about 500 metres. (It) ...................................................................................................................... 2. My father went to work by car some years ago, but now he goes by bus. (used to) ...................................................................................................................... 3. Don't drive too fast or you'll have an accident. (If) ...................................................................................................................... 4. Is it possible to go to Sa Pa by motorbike? (Can) ...................................................................................................................... 5. My mother is a careful driver. (drives) ...................................................................................................................... 6. He had a stomachache. He didn't wash his hands. (so) ................................................................................................ GIÚP MK VS Ạ, THANKS NHÌUUUU

Một học sinh đi xe đạp xuất phát tại nhà lúc 6 giờ 30 phút và đến trường lúc 6 giờ 45 phút. Biết quãng đường từ nhà đến trường là 2,7 km. Vận tốc của học sinh là ?