`ĐKXĐ:`
\(\left\{ \begin{array}{l}2x - 3a - 4 ≥ 0\\x + a - 2 \ne 0\end{array} \right.\)
`<=>` \(\left\{ \begin{array}{l}x ≥ \dfrac{4 + 3a}{2}\\x \ne 2 - a\end{array} \right.\)
Để `x = (2; +∞)`
`<=> x > 2`
`=>` \(\left\{ \begin{array}{l}\dfrac{4 + 3a}{2} = 2 - a\\\dfrac{4 + 3a}{2} = 2\end{array} \right.\)
`<=>` \(\left\{ \begin{array}{l}4 + 3a = 4 - 2a\\4 + 3a = 4\end{array} \right.\)
`<=> a = 0`
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subject of a CISE 11, Information questions. (Charts 8-1 and B-2) Directions: Work in pairs, in groups, or as a class. Speaker A: Give the cues in the text. The first of the rwo cues is the answer to the owed by a f the speaker is than one person question you want Speaker B to form. Your book is open. Speaker B: Make an appropriate question for the answer Speaker A gives you Viur h he object of In everyday om is rarely nstead. Whom al questions who, is used f esition. is closed. Examples: SPEAKER A (book open): The teacher. The teacher opened the door SPEAKER B (book closed): Who opened the door? SPEAKER A (book open): Opening the door. The teacher is opening the door. SPEAKER B (book closed): What is the teacher doing? ns about 1. My friend. That letter is from my friend. 2. Maria. Maria wrote that letter. 3. My mother's. That is my mother's coat. 4. In August. Alice and John are going to get married in August. 5. Gray. Her eyes are gray. 6. Black. Her hair is black. aubject of s things mn object. 8. Coffee. I usually drink coffee with my breakfast. 9. The soap bubbles. The soap bubbles made her sneeze. 7. Herb tea. I'd like some herb tea. out the pe of 11. By taxi. I got to the airport by taxi. 12. A ball. The boy has a ball in his pocket.* 13. Four. I have four brothers and sisters. 14. Florida. I grew up in Florida. 15. Five hours. It takes five hours to get there by plane. 16. Historical novels. I like to read historical novels. 17. Chapters 2 and 3. The test will cover Chapters 2 and 3. 18. Because the traffic was heavy. I was late because the traffic was heavy ** 10. Ten minutes. It usually takes me ten minutes to eat breakfast. used to as snoun a general 19. For three days. She's been sick for three days. 20. Twenty. I'm going to invite twenty people to my party. 21 This one. You should buy this camera, not that one or a 22. Marie Curie. Marie Curie discovered radium 23. Practicing asking questions. We're practicing asking questions. what choosi antity o 24. Great. Everything's going great. GIẢI HỘ MÌNH VỚI MNG
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tính giá trị của biểu thức (x-y)^2-x.y tại x+y=15, x.y=56
Giúp mk bài 3 nha. Mk gửi để kiểm tra lại mà.
Các bạn giải giúp mik Mik đang cần gấp
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Các bn giúp mik nhaaaaaaaaaaaaaaaa. Xin hậu tạ..........TÌM CÁC X ĐỂ B THUỘC Z
Ai viết gíup mình đoạn văn hoàn chỉnh theo mẫu như trong ảnh với ạ
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