Với giá trị nào của x thì giá trị của mỗi phân thức sau được xác định : a, 5x/2x+4 b, x-1/x2-1

Cho ΔABC vuông tại A, kẻ AH vuông góc với BC(H BC).Tính AH biết: AB:AC = 6:8 và BC = 20 cm. HELP ME!!!!PLEASE =((

Hnay em phải nộp liền ạ Thầy cô giúp em với

Giải thích kĩ càng hộ em :> các thiên tài giúp em với

correct forms of the verbs 1. I (like)……………………. music. And this is a great show, isn’t it ? You (enjoy)……………………… it ? 2. It’s 1p.m now. The manager must (have)………………………….. lunch at the office canteen 3. Lan (visit) ………………….SG Water Part if she (live) ………………… in HCM city. She’s on a farm now 4. A: Your new dress (look) ……………………. very nice. B: Thank you. The trouble is it (not fit) …………………… properly. I (not know) ……………. why I bought them really. 5. She really (hurt) ………………when she found that her son (forget)……………….. her birthday 6. A number of flights (be) ………………cancelled this morning because of the bad weather. 7. The stereo (play) ………………………. since 6 pm. I wish someone (turn) ………………. it off. 8. He wore a false beard (avoid) ……………………. (recognize) …………………… 9. If you don’t hurry, all the tickets (sell) …………………. by the time we (get) …………… there. 10. He still............................ (have) a pain in his leg now, but it ......................... (get) better.

ac oi giup em có cả tóm tắt nha ac

chứng minh -a.(c-d)-d.(a+c)=-c.(a+d)

Các bạn giúp mình giải nha mình gấp lắm r I. Re-arrange the words to make meaningful sentences. 1. This / is / as / film / good / as / one. / that / not ______________________________________________________________ 2. They / books / donated / street / clothes / and / children. / for / last week ______________________________________________________________ 3. like / I / going / the / art / to / gallery. __________________________________________________________ 4. opened / my / in / school. / can / A / be / new / library __________________________________________________________________ 5. you / Have / finished / yet? / paintings / the ______________________________________________________________ II. Complete the second sentence so that it means the same as the sentence before. 1. Her taste is not different from mine. => Her taste is ___________________________________________________ 2. I began studying English three years ago. => I have _______________________________________________________ 3. I find carving eggshells interesting. => I enjoy _______________________________________________________ 4. Get up early or you’ll go to school late. => If you don’t get _________________________________________________ 5. They can buy many kinds of goods in Ben Thanh Market. => Many kinds of goods__________________________________________________ III. Use the words given to make some sentences. 1. Tom / often play / monopoly / his friends. _________________________________________________________ 2. We / should / eat / more / fruits / vegetables. ___________________________________________________________ 3. I / start / play football / when / I / ten years old ___________________________________________________________ 4. In / past, / this house / build / by / my uncle. __________________________________________________________ 5. Read / books / free time / be / my / favorite / hobby. ______________________________________________________________ ____________ THE END_______________

(London) (wich) lies on (the) river thames (is) the capital of england Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Chuyên gia văn ơi với các bạn giỏi văn đội tuyển văn ơi giúp mk với ạ !!