Đáp án:
x=±26;±8
Giải thích các bước giải:
l-9 - xl -5 =12
l-9 - xl =12+5=17
-9 - x =±17
x=±26 hoặc x=±8
Vậy x=±26;±8
$l-9 - xl -5 =12$
$⇒l-9 - xl=17$
$⇒-9-x=17$ hoặc $-9-x=-17$
$⇒-x=26$ hoặc $-x=-8$
$⇒x=-26$ hoặc $x=8$
_____ Robert lately ? A.Did you see B. Have you seen C. Do you see D. Are you seeing
làm cho mik ảnh gacha couple nha
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_______________
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