tìm m để đường thẳng <d> : y=2x-1+3m và đường thẳng <d1> : y=3x+m cắt nhau tại một điểm nằm trên trục hoành

giúp em với ạ NLXH chỉ cần tóm tắt qua là được ạ

tốc độ mạng tenda 72 mbps khỏe hay là chậm giúp mik vs hết điểm rồi nên cho ít thôi nhé cứ giúp đúng là đc 5 sao và CTLĐN

Giải giúp mình 2 câu đó vói ạ ❤️

lm sao để có thể học toán thực tế tiến bộ cho mik lời khuyên v

Vẽ anime/chibi màu NL: Nhờ các dân chuyên vẽ vào thẩm định xem tranh này có trace khum ạ :> Chứ em là dân thường em thấy có vẻ là trace rồi ạ.

giup t vs can gapppppppppppppppppppppppppppppppppppppppp

Read the passage and choose the correct answer to each question below. Born on 15th May 1987 in Scotland, Andy Murray is regarded as one of the most iconic sports figures in British history. Began playing tennis at the age of 3, Andy was first trained by his mother Judy, who is a tennis coach. In 2012, the Scotsman became the first British man since 1936 to win a Grand Slam, the most important tournament in tennis. He has also won two Olympic gold medals for his country. During his career, Andy has been advocated for equality between tennis players of both genders. Despite criticism from fellow players, he hired a female coach in 2014 and became thefirst professional male tennis player ever to do so. Read the passage and choose the correct answer to each question below. Born on 15th May 1987 in Scotland, Andy Murray is regarded as one of the most iconic sports figures in British history. Began playing tennis at the age of 3, Andy was first trained by his mother Judy, who is a tennis coach. In 2012, the Scotsman became the first British man since 1936 to win a Grand Slam, the most important tournament in tennis. He has also won two Olympic gold medals for his country. During his career, Andy has been advocated for equality between tennis players of both genders. Despite criticism from fellow players, he hired a female coach in 2014 and became thefirst professional male tennis player ever to do so.

tổng các phân số nhỏ hơn 1 và có mẫu số là 99 và tử chia hết cho 7 NL: làm sai bc

Cho B = $\frac{3²}{8.11}$ + $\frac{3²}{11.14}$ +...+$\frac{3²}{197.200}$ So sánh B với $\frac{2}{5}$