`f) (3/4 - x)^3 = -8`
`⇒ (3/4 - x)^3 = (-2)^3`
`⇒ 3/4 - x = -2`
`⇒ x = 3/4 - (-2)`
`⇒ x = 3/4 + 8/4`
`⇒ x = 11/4`
`Vậy x = 11/4`
Đáp án:
`x=11/4`
Giải thích các bước giải:
`f)``(3/4-x)^3=-8``=>(3/4-x)^3=(-2)^3``=>3/4-x=-2``=>x=3/4+2``=>x=3/4+8/4``=>x=11/4`Vậy `x=11/4`
Giúp em nhanh với ạ em không hiểu
qua vb bàn luận về phép học hãy vt đv nêu mối quan hệ giữa học và hành
VII. Read the passage and then decide whether the sentences are True or False Vietnam’s New Year is known as Tet. It begins between 21st January and 19th February. The exact date changes from year to year. Tet lasts ten days. The first three days are the most important. Vietnamese people believe that what people do during those days with influence the whole year. As a result, they make every effort to avoid arguments and smile as much as possible. Vietnamese people believe that the first person through the door on New Year’s Day can bring either good or bad luck. Children receive lucky money as they do in other countries 31. Tet occurs in late January and early February …………………. 32. There are two weeks for Lunar New Year ………………… 33. People should not argue with each other at Tet ………………… 34. The first visitor on New Year’s Day brings good or bad luck ………………… 35. Only children in Viet Nam get lucky money …………………
Viết đoạn văn nghị luận khoảng 200 từ trình bày suy nghĩ của anh/ chị về sự thất bại trong cuộc sống
D = ( x 2 − 7 ) ( x + 2 ) − ( 2 x − 1 ) ( x − 14 ) + x ( x 2 − 2 x − 22 ) + 35
💞 Vẽ chibi nhé,cute vào,full màu -Hóng~ @Dâu
Exercise 1: Choose the best answer (A, B, C or D) to complete the sentences. 1. It’s becoming …………………… to find a job. A. more difficult and more B. more and more difficult C. most and more difficult D. more difficult than 2……………… electricity you use,………………. your bill will be. A. more - higher B. the most - the higher C. the more - the high D. the more - the higher 3. The more waste papers we recycle,…………………... A. the more trees we preserve B. the less trees we preserve C. the most trees we preserve D. the least trees we preserve 4. As a rule,…………………… the heart rate is, the faster the pulse is. A. the more rapid B. the more rapidly C. rapid D. the most rapid 5. I would……………. do any job ……………. be jobless. A. better - than B. more - than C. rather – than D. like – than 6. …………. a car is, ……………… it is. A. the expensive - the comfortabler B. the most expensive - the most comfortable C. the more expensive - the more comfortable D. the less expensive - the more comfortable 7. Soda has a bitter taste than other soft liquids but it is……………………..people. A. healthier than B. healthier for C. as healthy as D. more healthy than 8. As she did so, her parents became ………... A. the angriest B. the most angry C. the more angry D. angrier and angrier 9. “We produce more food, it gets cheap.” Means ………………. A. the more food we produce, the cheaper it gets. B. the most food we produce, the cheapest it gets. C. the least food we produce, the less cheap it gets. D. most food we produces, cheapest it gets. 10. Last year, Matt earned …………………………….. his brother. A. twice as much as B. twice as many as C. twice more than D. twice as more as
Cho hình tứ giác ABCD có `hat(A) = 120^0 ; hat(B)= 80^0 ; hat (C)=110^0`. Tính `hat(D)`
Mn giải giúp mik bài này ik ạ. Thanks nhìu
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