Giải chi tiết và vẽ hình Cho tam giác ABC vuông tại A, tanc=2/3 và đường cao AH=6cm. Tính độ dài các cạnh và số đo các góc của tam giác ABC

1.Climate change will...have a negative impact on biodiversity and thus our ecosystems (AVOID) 2.Whenever there are food.......,people immediately preserve food (SHORT) 3.This machine is.........easy to instal and cheap to operate(COMPARE) 4.An.........species is a population of an organism which is at risk of becoming extinct(DANGER) ( ĐÚNG THƯỞNG NGAY HAY NHẤT ( CÓ GIẢI THÍCH))

Giải các phương trình, hệ phương trình sau: 1. 3x^2 + 2x - 16=0 2. x^4 - 3x^2 - 4 =0 (giải theo at^2 + bt + c) 3. x^2 - 3x + 6 / x^2 - 9 = 1 / x-3 4. x^3 + 3x^2 - 2x - 6 =0

làm thơ về ngày xuân cấm mạng làm hay vào chút nhé

mn giải thích cho e 2 câu này vì sao đc 0 ạ? 1. "If I pass this test my father will buy me a new skateboard" Peter said. => Peter said if he pass this test, his father would buy him a new skateboard. 2."I have just reserved a postcard from my foreign friend" Ann said to me. => Ann said to me that she has just received a postcard from her foreign friend.

Ex 1: Write the sentences in another way, beginning as shown. 1. Someone reported that the situation was under control. - The situation ______________________________ - It's ___________________________________ 2. It is said that she works 16 hours a day. - She _________________________________________ - It's ___________________________________ 3. Someone thinks that the company is planning a new advertising campaign. - The company _________________________________ - It's ___________________________________ 4. Everyone expects that the soap opera will end next year. - The soap opera _______________________________ - It's ___________________________________ Giúp mình làm cả 2 cách với ! Mình cảm ơn☺

Lớp 6 vẽ vậy có đk gọi là ổn ko ạ , chụp hơi mờ .

Bài 1: giải chi tiết và có hình vẽ A. Vẽ đồ thị hàm số y=x-3 B. Với giá trị nào của m thì đường thẳng (d'): y=(2-m)x+m cắt đồ thị (d) tại điểm có hoành độ x=2

1.Climate change will...have a negative impact on biodiversity and thus our ecosystems (AVOID) 2.Whenever there are food.......,people immediately preserve food (SHORT) 3.This machine is.........easy to instal and cheap to operate(COMPARE) 4.An.........species is a population of an organism which is at risk of becoming extinct(DANGER) 5.Whatever happens, don't let this failure...............you(HEART) 6.He is an..................person who directly says what he thinks(SPEAK) 7.All the dancers performed...........(ATTRACT) 8.That plan can, i hope, be..............realized(PRACTICE) 9.Mercedes is a very.....................car(DEPEND) 10.The fire was...........,and the loss was high(CONTROL)

XIII. Join the two (or three) nouns. Sometimes you have to use -'s or -s’; and sometimes you have to use of. 1. the mistake/ the policeman the policeman’s mistake 2. the bottom/ the bottle the bottdm of the bottle 3. the daughter/Mr Hill ________________________________ 4. the name/ this street ________________________________ 5. the gardens/ our neighbors ________________________________ 6. the children/ Don and Mary ________________________________ 7. the wedding/ the friend/ Helen ________________________________ 8. the ground floor/ the building ________________________________ 9. the car/ the parents/ Mike ________________________________ 10. the economic policy/ the government ________________________________ 11. the money/ the gangsters ________________________________ 12. the tail/ the horse ________________________________ 13. the house/ the people we met in Spain ________________________________ 14. the arm/ the chair ________________________________ 15. the monthly meeting/ the club ________________________________ 16. the work/ last year ________________________________ 17. the death/ someone important ________________________________ 18. the middle/ the night ________________________________ 19. the room/ my sisters ________________________________ 20. the door/ the garage ________________________________