Không thực hiện phép tính hãy xem tổng Tổng 15+ (-21) cho chia hết cho 3 không

AI LÀM ĐC MIK VOTE 5*+ HAY NHẤT+ CÁM ƠN NHE!!! 1) 20 độ C =……. độ F 2) 104 độ F =……. độ C 3) - 95 độ C = …….. độ F

miêu tả về khu phố mong mọi người giúp ạ

-8/27×45/16 -8/3×(-5)/6 4/-7×(-7)/4 16/30×5/12 -8/18×(-15)/27

Mong mọi người giúp em với ạ!!!

Cho ABC nhọn( AB < AC). Kẻ các đường cao BD, CF cắt nhau tại H. Chứng minh: a/ ABD tương ứng ACE b/ AEH tương ứng CEB

B. Read the text , then answer the questions. (3pts) WHO WANTS TO BE A MILLIONAIRE? One of the most popular quiz programmes on television in the world is called Who Wants To Be A Millionaire?In Britain, the quiz master is Chris Tarrant. He asks the contestants fifteen questions. The first questions are easy but later they are more difficult. If you can answer the fourteenth question, you can win £500,000. You can win a million pounds if you can answer the last question. Of course, the last question is very difficult. All the questions on Who Wants To Be A Millionaire? are multiple-choice questions. After you hear the question, you see four answers. Only one answer is correct. You have to choose the correct answer. If you don’t know the answer to a question, there are three ways you can get help: you can ask the quizmaster to take away two wrong answers: you can ask the studio audience which answer is right; or you can telephone a friend and ask for help. You can only do these things once. Very few people win the million pounds. The first person won a millon pounds one year after the programme started. Today, Who Wants To Be A Millionaire?can be seen in more than 100 countries and is now the world’s most popular quiz programme. Choose the best answer for each question: 5. Who does Chris Tarrant ask? A. the contestants B. the studio audience C. the quizmaster 6. Are there fifteen questions do you have to answer? A. No, there are not B. Yes, there are C. There are sixteen questions 7. How much do you win for the last question? A. a million pounds B. £400,000 C. £500,000 8. How many ways can you get help? A. four ways B. three ways C. five ways 9. When did the The first person win a millon pounds? A. two year ago B. last week C. one year after the programme started. 10. In how many countries can you watch the quiz show? A. 100 countries B. 1 country C. in more than 100 countries

Giúp mình với mn hứa sẽ cho sao

they are effective workers.-->they......

Cho tam giác cân ABC có đáy BC và góc A= 20°. Trên nửa mặt phẳng bờ AC không chứa điểm B lấy điểm D sao cho DA = DB và DAC = 40°. Gọi E là giao điểm của AC và BD. 1). Chứng minh tứ giác ABCD là tứ giác nội tiếp. 2). Tính góc AED