Tìm GTLN, GTNN của hàm số y=(2sinx+cosx)(2cosx+sinx)

so sánh 2009^20 và 20092009^10 giúp với mn oi

1. a) Tinh tong cac so le co 2 chu so b)tinh tong cac so chan co 2 chu so 2.Cho S1=1+2 S2=3+4+5 S3=6+7+8+9 S4=10+12+13+14 Tinh S100

A. changing each active voice sentence into a passive voice sentence: Chuyển sang câu bị động thì hiện tại đơn: EX: John buys the food. --> The food is bought by John. 1. Thomas washes the dishes. --> The dishes ………………..by Thomas. 2. Frank feeds the dogs. --> The dogs ………………….by Frank. 3. Maria prepares the food. --> The food …………………..by Maria. 4. David cleans the kitchen. --> The kitchen …………………by David. 5. My father pays the bills. --> The bills ……………..by my father. 6. The gardener trims the bushes. --> The bushes ………………by the gardener. 7. Helen sets the table. --> The table …………………….by Helen. 8. My mother waters the plants. --> The plants …………………..by my mother. 9. Arthur does the laundry. --> The laundry …………………by Arthur. 10. My uncle drives us to school. --> We …………………to school by my uncle. B. Put the following sentences into passive voice. Chuyển sang câu bị động thì hiện tại đơn: 1. Many people read this writer's articles. -……………………………………………………………………………… 2. Jackie milks the cows every morning. -…………….. 3. Benny never understands the new teacher. -………… 4. Everybody loves chocolate. -…………. 5. Kids always eat candies. -…………….. 6. The American people elect the members of Congress. -………………… 7. Does the mechanic check the brakes regularly? -……………………………….? PRESENT CONTINUOUS PASSIVE (CÂU BỊ ĐỘNG THÌ HIỆN TẠI TIẾP DIỄN) TENSES ACTIVE (câu chủ động) PASSIVE (câu bị động) 2. The present continuous S + am/ is/ are +V-ing - People are designing cars in Japan. - Sheila is drinking a cup of tea. - Farmer Joe is milking the cows. S+ am/is / are/ + being + PP - Cars are being designed in Japan. - A cup of tea is being drunk by Sheila. - The cows are being milked by farmer Joe. PRACTICE 1. She is taking a picture of him. - 2. I am writing a poem. - 3. We are not playing football. - 4. He is not wearing a tie. - 5. Is she preparing the party? - 6. Are they talking about the meeting? - 7. Is she watering the flowers? - 8. I am reading a story. - 9. The engine is driving the train. - 10. She is singing a song. - 11. The carpenter is making furniture. - MIXED PRACTICE: Active or Passive? 1. The children are laughing at the old beggar. -> …………………….………………………………………. 2. He (sell)………………………………cars. -> ……………………..………………………………. 3. In summer, more ice-cream (eat) …………………………………………. than in winter. 4. Martin is painting the house. -> …………………….……………………………………. 5. She (call) ……………………………………her grandparents every Friday. 6. The letters (type) …………………………………. this morning. 7. Tina is cleaning the classroom. -> 8. Alfredo is washing the cans. -> 9. The students are writing compositions. -> 10. He (take) ……………………………his medicine every day. 11. Jane (take / not) …………………………………to school by her father. 12. Milk (keep) …………………………….in the refrigerator. 13. She (work / not) ………………………………for a bank. 14. Sara is holding an umbrella. -> 15. Sheila is drinking a cup of tea. ->

Giải các phương trình a) (x-3) tất cả mũ 4 - 3(x-3) bình - 4 =0 b) 3x mũ 4 - x bình = 2x(3x bình -1) c) căn x bình -9 + căn x+3 =0

mk cần làm câu 1d và cần gấp nhé

1, 8xy- 24xy +16x 2, 2mx -4m^2 +6mx giải chi tiết từng bước nhé

Mọi ng giúp em bài 6 và 7 với ạ, em cảm ơn

cho $\frac{a}{b}$= $\frac{c}{d}$ chứng minh 2a+3b=2c+3d 2a-3b=2c-3d

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