Tìm giới hạn của câu d giup mình mn ơi gấp ạ

Tìm $x$. $y$ biết : $\frac{2}{x}$ = $\frac{3}{y}$ và $x$.$y$ = 96

Ex 5. Put the verbs in brackets into the correct tense or form. 1. If we __________ (not stop) cutting down so many trees, we’ll endanger our oxygen supply. 2. Last year Mr. Johnson _____________ (teach) us Robotics. 3. My sister is really busy – she _____________ (study) for the exam. 4. In the future, robots _____________ (do) things that people can’t do or don’t want to do. 5. Mark _____________ (be) to Sa Pa twice. The first time _____________ (be) more than ten years ago. 6. How often _____________ (you/ do) household chores? ~ Every day. 7. Twenty years ago, most people around the world _____________ (not know) what the Internet was. 8. If we dump all sorts of chemicals into rivers, we _____________ (not be able to) swim in them in the future. Ex 6. Supply the correct form of the words in brackets. 1. The smartphone is one of the most useful _____________ devices. (wire) 2. Solar panels take energy from the sun to produce _____________. (electric) 3. Household waste ____________ the environment when not disposed of properly. (pollution) 4. More and more companies are making products from _____________ materials. (recycle) 5. _____________ water bottles reduce plastic waste and contribute to saving the environment. (reuse) 6. The International Robot _____________ is the largest robot trade fair in the world. (exhibit) 7. Robotics helps to make work and your life _____________. (easy) 8. Robots don’t have the _____________ to think about their action before they act. (able) Ex 7. There is one mistake in each sentence. Find and correct it. 1. In the future, robots will do all the housework instead us. 2. I’m sorry I won’t able to go to your party on Friday. 3. I can write with my right hand. I’m left-handed. 4. Using a lot of plastic bags are bad for the environment. 5. If we will go shopping tomorrow, I’ll buy some reusable shopping bags. 6. Some people believe that robots will play a important role in our lives. Ex 8. Match the sentences. 1. If we don’t do something to stop pollution, a. if we don’t cut down on waste rapidly. 2. I would love a self-cleaning house b. if you switch off your TV when you’re not watching. 3. Smart refrigerators will help reduce waste c. that could cook all my meals for me. 4. Pepper is a Japanese humanoid robot d. that does all the housework for me. 5. You will save electricity e. that can sense emotion and exhibit its own feelings. 6. Robots won’t replace teachers in the classroom f. by letting you know when the food in your fridge are about to go bad. 7. We’ll threaten our own existence g. we may kill most of the life forms living on our planet today. 8. I’d like a robot chef . h. because they can’t inspire

zẽ đôi bff chibi nka ạ NL : Iu yunz

Tìm m để phương trình sau có nghiệm duy nhất: (m + 1)x + m2 – 1 = 0? /help/

mọi ng giải giúp mk vs ạ, giải chi tiết nhé, đúng cho tlhn nha

Viết một bài viết không quá dài, khoảng 100 từ ( không được chép mạng) Chia thành 4 đoạn như Suggested Structure. Làm tốt đánh giá 5 sao = ctlhn

students will use pulic transport to go to school câu bị động help me pls

giả giúp em bài này ạ,em đang gấp.Xin cảm ơn mọi người!

Làm và giải thích giúp em ạ 11) Carl was calmly taking a photograph as this………….. large bear walked towards the car. It was a terrifying experience...at least for me! (astonish) 12) If you go walking around the factory, ensure you have…………… clothing on. (protect) 13) Are you sure you have cleaned the kitchen? There is still a pretty………….. smell coming from it. (pleasant) 14) Although it isn't definite we will see you tomorrow, it is quite………….. (like) 15) Be sure not to put more than three……………… of vodka into the mix, otherwise it will be too alcoholic. (spoon) 16) Finding a cure for cancer will be a huge ………….breakthrough for mankind. (medicine) 17) Buying and selling antiques can be a very …………..hobby if you know how to find a good bargain. (profit) 18) We were left without any money for the last part of our holiday because we had ………… the cost of the train ticket to Norway. (estimate) 19) Mr. Transom stared ………….. at the group of students talking in the corner and they shut up immediately. (cross) 20) Jennings is so …………enthusiastic about the game that his enthusiasm spreads to his team-mates and the result is usually a strong performance. (wonder) 21) I think I was …………. sacked and have decided to bring the company to court. (fair) 22) Have you seen my handbag John? It seems to have totally ………… ! (appear) 23) You know your father is the most ……….. person in the world. He is sure to be wearing one of his old sweaters to the party. (fashion) 24) People will need to see …………. provable information before they can believe in something like life on other planets. (science) 25) It isn't very ………..that Paula is at home, is it? She usually works at this time. (like) 26) Megan was told by her dietician that she was becoming …………thin and should eat more. (danger) 27) ……….is the spice of life, says the proverb and everyone should try and do new things and meet new people to avoid becoming bored. (vary) 28) Harry had a difficult …………. and was brought up by an aunt and uncle living in the country. (child) 29) The whole dispute began after a small …………. over the money needed to finance the new company. (agree) 30) The introduction of insecticides in the 20th Century ………agriculture across the world. (revolution) 31) All the coastal towns in this area are …….. by strong tradition of dance and there is a festival of dance that takes place every August. (character) 32) My company has spent a lot of money building a new, ………factory which will nearly double production. (computer) 33) I was just trying to be …….. towards him and he accused me of wanting his money! (friend) 34) The south-west of England, for example Devon and Cornwall, is known as the …….part of the United Kingdom. (sun) 35) What you may think is ……….is really just over-enthusiasm. He would never harm anyone. (hostile) 36) Anyone being rude and ……… to our staff will be asked to leave the premises immediately. (abuse) 37) Men have more of a ……. to put weight on around the waist and stomach areas and this is something they should be aware of. (tend) 38) Three weeks after winning the lottery, Daniel Perkins had the ……. to lose a court case in which he was being sued for nearly $2million. (fortune) 39) The pharmaceutical company's …….. have discovered a better way of combining medicines to create a flu remedy. (search) 40) The babies were put up for ………..when their mother was jailed for her part in the murder. (adopt) 41) Herbert has been a(n) ……..member of this company's staff. I don't know what I would do without him! (dispense) 42) The food at the restaurant was simply delicious. I just didn't think there was enough ……. (vary) 43) Even though the actors did quite a poor job of bringing the book to the stage, the ……was of the highest quality. (produce) 44) Even though he is only 17, he is a very ………. tennis player who could have a big future in the game. (promise) 45) The stock market has risen ……….in the last six months and now is a good time to invest. (consider)