Tìm các số nguyên x để các phân số sau có giá trị là số nguyên: a, 6/x-5 b, x+5/x+1 c, 2x+1/x-1 d, 6x+5/2x+1 e, 3x+1/2x-5 g, x²+5/x+1

1) Học kì 1 trường có 500 hs khá và giỏ. Sang HK 2 số hs khá tăng 2% còn hs giỏi tăng 4% nên tổng số hs khá và giỏi là 513 bạn. Hỏi hs khá và giỏi của trường ở HK1 là bnhiu 2) Để tổ chức đi tham quan cho 354 hs lớp 9 và GVCN. Nhà trường đã thuê 8 chiếc xe gồm 2 loại xe 45 chỗ và xe 15 chỗ ( ko kể tài xế). Hỏi nhà trường cần bmhiu xe mỗi loại ( ko có xe nào trống )

I. Find the word which has a different sound in the part underlined. 1. A. ago B. across C. about D. adult 2. A. language B. article C. partly D. hardly 3. A. but B. cut C. sun D. put 4. A. lake B. plane C. plan D. state 5. A. lecture B. medium C. inventor D. president II. Choose the word which has a different stress pattern from the others. 1. A. definition B. politician C. situation D. production 2. A. image B. purchase C. mislead D. deadline 3. A. extinction B. endangered C. business D. intention 4. A. cattle B. country C. canal D. cover 5. A. copy B. remove C. notice D. cancel 2.Fill the blank with a suitable word. In the USA, further education generally refers to education undertaken by adults of all ages after leaving full-time study. It doesn't include degree courses (1) ____________ at college or university directly after leaving high school, which come under (2) ____________ education. Further education includes everything from basic reading and writing skills for the illiterate to full-time professional and doctorate degrees at university. On many university (3) ______________, more students are enrolled in further education courses than in (4) ____________ degree programmes. Often adult education students don't need to be high school or degree graduates or take any tests or interviews, and they're generally (5) ____________ on a first-come, first served basis. A high school diploma is (6) ____________ for some courses, although General Educational Development (GED) tests allow students to (7) _____________ a high school equivalency diploma. Adult education courses may be full-time or part-time and are provided by two and four-year colleges, universities, community colleges, (8) ____________ schools, and elementary and high schools. Courses are also provided by private community organizations, government (9) ____________, and job training centres. More and more adult education programmes are becoming (10) ____________ on the Internet, including courses which offer university or continuing education credits for completion.

a) -2x - 11 chia hết cho 3x + 2 b) Chứng minh giá trị biểu thức ko phụ thuộc vào a : ( 3a + 2 ) . ( 2a - 1 ) + ( 3-a ) . ( 6a - 2 - 17) . ( a - 1 ) giúp tuôi với, hứa sẽ đền đáp đầy đủ nhé

Từ eased – elevate – emergency - eye chart - fainted-Fainting– first aid – handkerchief – hurting – injections 1. She wiped her face on a ______________. 2. My back is really ______________me today. 3. The doctor asked me to look at the ______________. 4. Lie down and ______________your feet. 5. You should take a ______________ course in case of emergency. 6. The children hate getting ______________. 7. She ______________ from hunger. 8. ______________ can happen when somebody is too hungry. 9. The staff need to know what to do in an ______________. 10. The pain immediately ______________.

Giải câu này giúp :))))))))))))))

Giải phương trình giúp em với ạ: √(x+2) + 2x - 10 = √(2x-3)

lập dàn ý cho đề văn"ăn quả nhớ kẻ trồng cây"

Một máy bơm có công suất 1840W/s trong 1h bơm được bao nhiêu lít nước lên cao 4.5m biết hiệu suất của máy bơm là 85% . D.nước = 1000kg/m3

$\left \{ {{√3x - 4y = 11} \atop {2x - √3y = 4√3}} \right.$