Đáp án:
Giải thích các bước giải:
$5x^2+\sqrt[]{5x}=0$
$=\sqrt[]{5x}(\sqrt[]{5x^3})=0$
$⇒x∈${$0$} ; {$2$}
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Lm hộ mik nhà ai lm nhah xog đúng cho 5 sao nha
Giúp mình bài 1 nha ai nhanh thì mình sẽ vote5*
Giải phương trình (-3x - 5y)$^{2}$ =0
Một thửa ruộng có dạng hình bình hành có chiều dài 36m,chiều rộng24m và chiều cao18.tính diện tích thửa ruộng đó
Giúp mình nha các bạn mik đang cần gấp tối này mình học rồi
Xắp xếp câu: 1.are/ very/ The people/ sunny/ and/ the weather/ warm/ has/ and/ been/ friendly. 2.Vietnam/ of/ is/ one/ the/ It/ popular/ most/ yourist attractions/ in.
Hướng dẫn giải chi tiết nha Vote 5 sao
Các bạn chỉ cần làm Toán hình, toán số mình làm hết rồi. Mình đang cần gấp, ai làm đúng nhất mình cho 5 sao. Nhớ phải vẽ hình nữa nhé các bạn.
Bài 3: Cho tam giác MNP cân tại M. PE MN (E MN), NF MP (F MP). a) Chứng minh: MNFMPE b) Gọi I là giao điểm của NF và PE. Chứng minh tam giác IEF cân. c) Chứng minh EF//NP.
A. VOCABULARY & STRUCTURES: I. Choose the word whose underlined part is pronounced differently from the others. (0,5pt) 1. A. production B. celebration C. procession D. companion 2. A. musician B. preservation C. vegetarian D. competition II. Choose the best answer. 1. There is a______ __in our family that we have a party on New Year’s Eve. A. tradition B. custom C. legend D. belief 2. A tradition is something we do that is special and ____________ down through the generations. A. to passed B. passed C. passing D. is passing 3. In the UK, there are lots of customs for table manners. For example, we _____use a knife and fork at dinner. A. have to B. are having C. has to D. having to 4. At the Mid-Autumn Festival ,kids can sing, dance, and enjoy moon-cakes ; ____, every child likes it very much. A. however B. moreover C. because D. therefore 5. Tet is an occasion for family____________ in Viet Nam. A. visiting B. meetings C. reunions D. seeing 6. ____________ spring comes, many Vietnamese villages prepare for a new festival season. A. While B. When C. Nevertheless D. However III. Identify a mistake in each sentence. 1.In Australia, you mustn’t to comment on a person’s accent. A B C D 2.In my family, children has to get permission before leaving the dining table. A B C D 3. Because he is not a Buddhist, he decided to eat as a vegetarian A B C D 4. She have to wear uniform every school day. A B C D B. READING: I. Read the text and tick True (T) or False (F) Today I’m going to tell you about the xoe dance, a traditional dance of the Thai ethnic group in Vietnam. Thai people have followed this spiritual tradition for generations. The xoe dance expresses people’s working life and wishes for a happy and wealthy life. It is performed in both public and private gatherings such as celebrations, festivals or family reunions. The xoe dance has more than 30 forms based on the first six ancient forms. The most popular form is the xoe vong or ‘circle dance’ because it expresses social unity. People, young or old alike, join
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