$\text{Đáp án+Giải thích các bước giải:}$
$a) 2x=3y-2x$
$⇔ 4x=3y ⇔ x=$ $\dfrac{3}{4}$ $y$
$b) 3x+2y=7y-3x ⇔ 6x=5y$
$⇔ x=$ $\dfrac{5}{6}$ $y$
Đáp án+Giải thích các bước giải:
1)
2x=3y-2x
⇔2x+2x=3y
⇔4x=3y
⇔x=`3/4`y
2)
3x+2y=7y-3x
⇔3x+3x=7y-2y
⇔6x=5y
⇔x=`5/6`y
Vì sao Đà Nẵng lại thu hút nhiều khách du lịch ?
Ex1 1. This milk is very hot. The child can’t drink this milk. a/ (enough) -> b/ (too ..to) 2.We can’t lift this box. The box is very heavy. -> (too ..to) 3. The door is very narrow. They can’t push the piano through that door. -> (too ..to) 4. The picture is very big. You can’t put the picture in your bag. a/ (enough) b/ (too ..to) 5. The dog is very small. It can’t harm you. a/ (enough) b/ (too ..to) Ex2: Change into the passive 1. Have they decorated their house yet? 2. I have not written the report yet. 3. We clean the classroom every day. 4. My brother didn’t clean the floor yesterday. 5. They export coffee to Europe every year. 5. People speak English all over the world. giúp mình với ạ
Mn ơi giúp mik vs ạ mik sẽ vote đầy đủ cho mik cho hẳn 20 điểm đấy
y=1/2x, quan he giua x va y la?
Vẽ lại pic dưới Yêu cầu: - Tradi not digi - Ko dùng ô li, kẻ ngang - Kị tất cả loại giấy có kẻ, có chấm. - Line, màu đầy đủ - Vẽ có tâm - Ko vi phạm luật ______________________
K giải phương trình , hãy tính tổng và tích các nghiệm của phương trình Giúp mk vs ạ
Giúp em bài này với ạ! Em cảm ơn
Mong bạn trình bày cụ thể các bước cho mình nhé. Cảm ơn bạn🌻🌻.
14. I don’t think Stallone is a very good _____ although he was very good in the Rocky films. A. director B. actor C. singer D. performer 15. Many people attend the festival held in Sapa _____. A. for fun B. for entertain C. for relax D. for happy 16. Harry Potter and the Goblet of Fire _____ by J K Rowling. A. was written B. written C. wrote D. writing 17. Thieves _____ over a billion dollars in cash from the Central Bank. A. stolen B. were stolen C. have stolen D. was been stolen 18.Thanks giving is _____ celebrated with a feast among family and friends A. tradition B. traditional C. traditionally D. traditionly 19. The scene from “The Ring” was so _____ that I closed my eyes. A. amazing B. amazed C. frighten D. frightening
giúp mình câu hỏi này với ạ mình đang cần gấp ạ.
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