`5/4 : Y = 0,5`
`Y = 5/4 : 1/2`
`Y = 5/4 × 2`
`Y = 5/2`
Y= 5/4 : 0,5
Y= 5/4 : 5/10
Y= 25/20 : 10/20
Y= 25/10
Y= 5/2
Vậy Y = 5/2
Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. warned B. reduced C. covered D. moved 24 Mark the letter A , B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. decade B. arrange C. amaze D. average 25 Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. We spent an enjoyable evening boating in the river. A. comfortable B. unpleasant C. nice D. boring 26 Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. The UFO stayed in the sky for about thirty seconds, and then it went away. A. turned on B. vanished C. disappeared D. appeared 27 Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Jack stopped ____ for Bank of America 2 months ago. He ____ unemployed since then. A. worked/has been B. working/has been C. working/was D. to work/was 28 Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. I read an interesting ______ in the newspaper the other day. A. information B. report C. news D. article 29 Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. When she first arrived in New York, she had difficulty communicating in English ______ all her years of study. A. despite of B. although C. in spite of D. however 30 Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Mrs. Smith has kindly provided ______ picnic lunch for us, but we won’t eat until _______ whole area is clean. A. an/an B. the/the C. a/the D. ø/ø
MN giúp mình với. C1. em hiểu thế nào là phòng bệnh hơn chữa bệnh. C2. em hãy nêu ra nguyên nhân gây ra bệnh cho vật nuôi, các bệnh do yếu tố sinh hoạc gấy ra được chia làm mấy loại. C3. thế nào là sự sinh chưởng và sự phát dục của vật nuôi. cho VD. mấy bn làm ngắn gọn thôi mình đang cần gấp.......
Có một khối xi lanh đặt nằm ngang nhận một nhiệt lượng 50J. Chất khí nở ra đẩy pittong đi một đoạn 5 cm. Hỏi nội năng của khối khí biến thiên một lượng bằng bao nhiêu ? Biết lực ma sát giữa pittong và xi lanh có độ lớn bằng 40N
Giải các phương trình và bất phương trình A/15x-3 = 9x +9 B/(2x - 3x)(3x+8)+ (2x-3)(3x-5)=0 C/5x-1/6+2x-3/8 lớn hơn hoặc bằng 3x+2/4 D/ x/x - 4+ 5/x+4 =10x / x2-16
dựa vào kiến thức đã học em hãy nêu những cách để thu hoạch được muối nhanh vào những ngày âm u
theo em chúng ta cần xây dựng việt nam như thế nào trong xu thế hội nhập và phát triển hiện nay . biện pháp để thực hiện điều đó
Trang An is the top attraction in Ninh Binh which you can visit first or later but never should skip, for whatever reason. Situated just 7 kilometers from Ninh Binh City, Trang An is a paradise of its own. Known as Ha Long Bay on land, Trang An has the landscape as just dramatic as the former. The atmosphere here is quite pure and fresh as if we were lost in the thick woods. Trang An was recognized by UNESCO in 2014 as a World’s Heritage of both culture and nature – also Vietnam’s very first mixed heritage. Indeed, the complex includes not only magnificent limestone mountains and green rivers but also an impressive collection of ancient temples and pagodas. The whole complex of Trang An covers an area of 6,172 hectare. There are three routes you can take to explore Trang An. The longest and most northerly route takes you to 9 caves and 3 temples; Medium length takes you to 4 caves and 3 temples; shortest length takes you to 3 caves and 3 temples. It’s best to wear longer clothes during the trip because you will visit temples here, all of which are considered sacred places to local people. Long clothes also can help you not to get burned in summer days. Question : When was Trang An considered as a World Heritage? A. It was the first mixed heritage. B. It was recognized by UNESCO. C. In 2014. D. It was recognized by as the top attraction in 2014. Question : Which of the following sentences is true to the passage? A. Trang An was recognized by UNESCO as a World’s Heritage of temples. B. They have to wear long clothes in the trip because it is cool in Trang An. C. The rivers in Trang An are not very green but clean. D. Trang An is not only famous for magnificent limestone mountains, green rivers but ancient temples and pagodas as well. Question : How many routes can you take to explore Trang An? A. The three routes to Trang An take you much time. B. You can take three routes to explore Trang An. C. There are two long routes and a short one. D. There is only one main route to explore Trang An.
giấc ngủ có ý nghĩa như thế nào đối với cơ thể?
Giúp mk mấy câu này vs ạ bài tập này mk ko bik lm ><
Giải dùm em hệ pt này vs ạ {X+Y=-8 {X×Y=15
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