cho ΔABC (góc Abằng 90 độ ) giải ΔABc biết a) AB = 8cm , góc B bằng 54 độ b) AB = 12cm , AC = 15cm c) BC = 25cm , C = 32 độ d) AB = 15cm , BC = 17cm

tìm m để hàm số $\frac{\sqrt{x-\text{2m+3}}}{x-m}-\frac{3x-1}{\sqrt{-x+m+5}}$ xác định trên khoảng (0,1)

Mn ơi giúp e làm một bài nó ngôn tình lên càng ngôn càng tốt mn nhé . Đề :" Sau khi chết Trọng thủy đã tìm gặp lại Mỵ Châu . hãy tưởng tượng và kể lại câu chuyện đó "

Vì sao sau cơn giông, không khí trong lành, mát mẻ hơn

Write a paragraph will your social skills be improved through volunteer work. Why

tìm x biết : |x + 3| - |x - 7| = 11

Tìm các số tự nhiên a,b,c,d (Dạng ; biểu diễn bằng liên phân số) Giúp mình với nhé Thank Cảm ơn rất nhiều

$\frac{\text{2020}}{\sqrt[3]{x^{\text{2}}-3x+\text{2}}-\sqrt[3]{x^{\text{2}}-7}}$ Tìm tập xác định

Complete the sentences using the words in bold. Use two to five words. ~ The hairdresser will have to cut your hair. have ~ You’ll ...have to have your hair... cut. 1. A large dog has attacked my cat. been My cat ............................................................................... large dog. 2. Her mother insisted that she buy a new dress for the party. her Her mother ............................................................................... a new dress for the party. 3. Someone will steal your purse if you don’t look after it. be Your purse ............................................................................... if you don’t look after it. 4. Jane insisted that I have some more cake. made Jane ............................................................................... some more cake. 5. They are resurfacing our drive tomorrow. resurfaced We ............................................................................... tomorrow. 6. Our furnace will need servicing soon. have We will need ............................................................................... soon. 7. Someone cleans my house every week. have I ............................................................................... every week. 8. How did he persuade you to do it? get How ............................................................................... do it? 9. She got a friend to make her an evening dress. made She ............................................................................... by a friend. 10. Their house had been burgled when I last saw them. had They ............................................................................... when I last saw them.

Viết tập hợp STN ko vượt quá 10