Để đo chiều cao của một ngọn tháp, không thể trèo lên đỉnh, người ta dùng thước dài, thước đo góc và đèn laser thực hiện thao tác đo thu được kết quả như hình vẽ. Hãy tính chiều cao của tháp (Lưu ý: Kết quả làm tròn đến chữ số thập phân thứ nhất).

vẽ đậu mầm NL : Xin link hoặc giúp mình liệt kê tất cả các luật và quy tắc của Hoidap khi trả lời ( tất cả các môn nha )

Bicycles_______ in the driveway. A. must not leave B. must not be leaving C. must not be left D. must not have left Beethoven’s Fifth Symphony_______ next weekend.[ Symphony: khúc giao hưởng] A. is going to be performed B. has been performed C. will be performing D. will have perform All bottles_______ before transportation. A. frozen B. were froze C. were frozen D. are froze ______________ yet? A. Have the letters been typed B. Have been the letters typed C. Have the letters typed D. Had the letters typed English has become a second language in countries like India, Nigeria or Singapore where_______ for administration, broadcasting and education. A. is used B. it is used C. used D. being used The telephones_______ by Alexander Graham Bell. A. is invented B. is inventing C. invented D. was invented Lots of houses_______ by the earthquake. A. are destroying B. destroyed C. were destroyed D. is destroyed Gold_______ in California in the 19th century. A. was discovered B. has been discovered C. was discover D. they discover The preparation_______ by the time the guest_______. A. had been finished- arrived B. have finished- arrived C. had finished-were arriving D. have been finished- were arrived The boy_______ by the teacher yesterday. A. punish B. punished C. punishing D. was punished “Ms Jones, please type those letters before noon”_ “They’ve already ______, sir. They’re on your desk.” A. typed B. been being typed C. being typed D. been typed Sarah is wearing a blouse. It_______ of cotton. A. be made B. are made C. is made D. made They had a boy _______ that yesterday. A. done B. to do C. did D. do We got our mail _______ yesterday. [have/get sth done] A. been delivered B. delivered C. delivering D. to deliver James_______ the news as soon as possible. A. should tell B. should be told C. should told D. should be telled My wedding ring _______ yellow and white gold. A. is made B. is making C. made D. make Mr. Wilson is _______ as Willie to his friend. A. known B. knew C. is known D. know References _______ in the examination room. A. not are used B. is not used C. didn’t used D. are not used Laura _______ in Boston. A. are born B. were born C. was born D. born His car needs ________. [sth needs doing= sth needs to be done] A. be fixed B. fixing C. to be fixing D. fixed

Giúp mình nha, mình cần gấp!! Nhớ đúng, cảm ơn trước! Có hình nha! Cho tam giác ABC, các đường trung tuyến BM, CN. Gọi D là điểm đối xứng với B qua M, gọi E là điểm đối xứng với C qua N. a) Chứng minh E, A, D thẳng hàng b) Chứng minh E và D đối xứng nhau qua A

Transformation: 1. He worked so hard that he felt exhausted after work. -He felt_________________________________________ 2. She obtained what she wanted because she was hard-working. - She was such_______________________ 3. Putting an end to Covid-19 is our aim. - We __________________________________. 4. It’s useless to build another bridge at this part of the river. - There’s ___________________________________________. 5. No one clapped their hands though she sang beautifully. - However ________________________________________. 6. I can’t eat this beef steak because it is so spicy. - This steak is _____________________________________.

4 câu hoi ó mn giúp mình nho:((( plsss 117. If only I _____ busy yesterday. I could have helped you with the problem. A) weren’t B) hadn’t been C) wasn’t D) haven’t been 118. He wishes his father _____ him some shoes before the new term starts. A) was buying B) was going to buy C) would buy D) had bought 119. I wish our school _______ a bigger library than it has. A) had had B) would have C) had D) will have 120. I wish we _______ late for this film. I can’t follow the story. A) didn’t arrive B) hadn’t arrived C) wouldn’t arrive D) wouldn’t have arrived

hãy nêu cảm nhận của mình về số phận của những đứa trẻ sống thiếu tình thương cha mẹ (trình bày bằng đoạn văn từ 8-10 câu). Lưu ý :Ko sao chép mạng

Phân tử hợp chất A tạo bởi 3 nguyên tố là Bari, lưu huỳnh, oxi. Trong đó thành phần phần trăm theo khối lượng các nguyên tố lần lượt là: 58,8% bari , 13,7% lưu huỳnh, còn lại là oxi.Tính số nguyên tử của mỗi nguyên tố có trong phân tử hợp chất A, biết phân tử A nặng hơn phân tử clo 3,28 lần

Các bạn vẽ dùm mình một bức tranh học nhóm nha | 𝓝𝓸 𝓒𝓸𝓹𝔂 | vẽ dùm mình đẹp,sẽ cho votes |làm ơn vẽ giúp mình với,mình cảm ơn.

Giúp câu 22-24 ạ câu 25 ai biết thì làm ạ