Cho tam giác ABC. Trên BC lấy điểm I sao cho `BI=1/3BC` a. Phân tích `vec{AI}` theo `vec{AB}` và `vec{AC}` b. Phân tích `vec{BI}` theo `vec{AI}` và `vec{CA}`

1. Talk about the busiest time of your day/ week/ year. 2. Would you like to travel to space one day? Lưu ý:câu 1 thì trả lời dài dùm mình nha:))

In 250 words, write about how the COVID-19 pandemic has impacted you and your family. Here are some ideas that you can write about: How has the virus disrupted your daily life? What are you missing? School, sports, competitions, extracurricular activities, social plans, vacations or anything else? What effect has this crisis had on your own mental and emotional health? What changes, big or small, are you noticing in the world around you? Interview your parents – How did the COVID-19 affect them in terms of work, mental health…? What did your parents do to overcome this challenge?

Now,read about Nick’s father’s unusual hobby and check your answers My father has an unusual hobby;carving eggshells.As everyone knows.eggshells are very fragile.My dad can make beautiful pieces of art from empty eggshells.It’s amazing! He started the hobby five years ago after a trip to the US where he saw some carved eggshells in an art gallery.My father did not go to class to learn how to carve.He learned everything from the Internet. Some people say that this hobby is difficult and boring,but it isn’t.All you need is time.It may take two weeks to complete one shell.I find this hobby interesting bacause carved eggshells are unique gifts for family and friends.I hope that in the future he’ll teach me how to do eggshell carving.

Giúp mình bài 2+4 rồi xem bài 3 mình đúng chưa với ạ

giups vs đề bài :tìm a,b ∈ Q_______________________ _______________________

Cho tam giác ABC, D, E, F thứ tự là các tiếp điểm của đường tròn nội tiếp tam giác ABC với các cạnh BC, CA, AB ; H là hình chiếu của D trên EF. Chứng minh HD là tia phân giác của góc BHC.

Now,read about Nick’s father’s unusual hobby and check your answers My father has an unusual hobby;carving eggshells.As everyone knows.eggshells are very fragile.My dad can make beautiful pieces of art from empty eggshells.It’s amazing! He started the hobby five years ago after a trip to the US where he saw some carved eggshells in an art gallery.My father did not go to class to learn how to carve.He learned everything from the Internet. Some people say that this hobby is difficult and boring,but it isn’t.All you need is time.It may take two weeks to complete one shell.I find this hobby interesting bacause carved eggshells are unique gifts for family and friends.I hope that in the future he’ll teach me how to do eggshell carving.

Hãy viết một bức thư gửi đến bố hoặc mẹ nói lên cảm xúc của mình và những điều mình mong muốn.

Giúp mik với ạ mik đang gấp ai nhanh mik vote 5 sao ^^