mọi người giúp mình với ạ Cho hàm số □(f(x)=1/3)x^3-(m+50) x^2+(m^2+100m)x+2020m.tìm m để hàm số a,đồng biến trên (7,13); b,đồng biến trên (-4,dương vô cùng)

Một thửa ruộng hình bình hành có chiều cao là 50 m , độ dài đáy gấp đôi chiều cao. Người ta trồng lúa và thu hoạch dc tất cả là 25 tạ thóc. Hỏi trung bình 100 m ² thửa ruộng thu dc bao nhiêu kg thóc

Cái quý giá nhất trên đời mà mỗi người có thể góp phần mang lại cho chính mình và cho người khác đó là. Giúp trả lời câu 3 và 4 với mn Xin cảm ơn

Làm hộ với mn ơi đề là make tag questions for the following sentences

hãy viết một bài văn tự giới thiệu về bản thân bằng tiếng anh

Ai giải giúp mk câu này với ạ!!Mk cảm ơn trước!!

1)She loves him, so she forgives him easily. If........................................................................... 2)It rains, so the children don't go swimming. If............................................................................ 3)They don't behave themselves, so their parents are not happy about that. If............................................................................ 4)If you didn't speak quickly, I could understand you. Unless.................................................................... 5)If you don't have money, I can lend you some. Unless..................................................................... 6)Hurry up or we will miss the bus. If we......................................................................... 7)Do the test carefuly or you may get bad mark. If you....................................................................... 8)Come soon or you may not meet us. If you........................................................................ 9)If you don't study hard, you may fail the exam. Unless........................................................................ 10)I don't have the key, so I can't get into the house. Unless........................................................................ 11)Unless Nga hurries, she will miss the last train. If Nga.......................................................................... 12)Mary doesn't buy this shirt because she doesn't have enough money. If Mary......................................................................... 13)Tom eats too much, so he gets fat. If Tom.......................................................................... 14)She doesn't work hard, so she doesn't get good marks. If................................................................................... 15)Unless he phones her immediately, he won't get information. If................................................................................... 16)Unless he apologize, I'll never invite him here again. If.................................................................................. 17)Speak slowly or he can't understand what you mean. If you........................................................................... 18)Keep our environment clean or we won't enjoy a healthy life. If we............................................................................ 19)I'm not a millionaire, so I can't buy you a car. If I................................................................................ 20)He will get wet unless he puts the raincoat on. If he............................................................................ 21)Today is not a holiday, so we can't go for a picnic. If................................................................................ 22)He won't do that because you don't permit him. He would....................................................................

Anh chị hiểu như thế nào về những rắc rối lớn khi con người ko chấp nhận thay đổi Giúp em vs

TÍNH: x/x-3 + 9-6x/ x^2-3x b) 6x-3/x : 4x^2 -1/ 3x ²

We will see that new film ____________________________ ____________________________ She will phone you soon ___________________________ ___________________________ They will go to the party together _______________________ ________________________ He will buy his children some books ____________________________ _____________________________ I will invite some friends to my birthday party ___________________________ ____________________________ Tam will be 15 next may ____________________________ ____________________________ You will have a test next week ____________________________ ____________________________ The party will start at 7:00 ____________________________ ____________________________ Mr lam will teach you English next year ____________________________ ____________________________ We will go somewhere at the weekend ____________________________ _________________________ Giúp mình vs Đề bài : turn the following sentences into negative and interrogative