{2x+y=5 {3x-y=15. Tất cả ngoặc nha

Cho biểu thức P= cănx-1/x+8. Tìm GTLN của P. Mong mọi người giúp

X. Use the suggested words and phrases to write complete sentences. (10points) Dear Nam, 1. I / be / pleased / hear / that / you / your family / well. ………………………………………............................. 2. Here / photo / my family / and / let / me / tell / you / us. ……………………………………………............................. 3. Father / mechanic /. He / work / factory / suburb. ………………………………………............................. 4. He / work / five / days / a week / Monday / Friday. ……………………………………………............................. 5. He usually /go / work / motorbike / morning / so he / not free / every morning. …………………………………………………………….. 6. In free time / father/ often / play/ badminton / friends. ……………………………………………………………………………… 7. mother / teacher//. She / teach / Math / school / near / house. …………………………………………………………………………………… 8. Brother / 17 years/ and / he / grade 12. …………………………………………………………………………… 9. He / love / collect /stamps /. He / have / hundreds / stamps / collection. ……………………………………………………………………………… 10. please write / me soon / and tell / your / family. ………………………………………………………………………………

có bao nhiêu giá tị của m để bpt m^2x+4m-3<hoặc =x+m^2 nghiệm đúng với mọi x

giải dùm mik câu đây What do you do when a dog dies?

dong vai de men ,tuong tuong va ke lai tinh ban giua de men va de choat,bai hoc rut ra cua de mem sau khi gay ra cai chet cho de choat

Cho hàm số y= ax+1 biết hàm số hợp với trục Ox một góc 45° .Tính a

Exercise 1: Find the word which has a different sound in the part underlined 1. A. pleasure B. shelf C. sheet D. musician 2. A. sugar B. share C. machine D. same 3. A. leisure B. pressure C. measure D. garage 4. A. amazing B. orange C. table D. favourite 5. A. seat B. tea C. near D. cheap Exercise 2: Complete the sentences with the words in the box. cheapest fry most chopsticks rest waiter at care menu peel 1. Vietnamese people usually eat with ____________ . 2. The ____________ is the person who brings food in a restaurant. 3. In a restaurant, you look at a ____________ to choose your food. 4. Vietnamese people ___________ a lot of their food. 5. You _____________ potatoes before cooking them. 6. Can I see the __________ of the house? 7. My aunt is ______ work and my aunt is shopping. 8. He takes _______ of sick children. 9. The ___________ apartment will be the best for you. 10. The ________ popular after school activities are baseball, football and basketball.

lan`s / drink / is / apple juice / favourite giúp mik vs , mik cảm ơn trc

Tìm độ dài ba cạnh tam giác, biết chu vi tam giác đó là 24m và độ dài ba cạnh tỉ lệ với 3; 4; 5.