giúp mình vs ạ,mình cảm...
Đọc tiếp
giúp mình vs ạ,mình cảm ơn
K
Khách
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
Những câu hỏi liên quan
2 tháng 1 2022
1, The homework is too difficult for him to do
2, The homework isn't easy enough for him to do
3, The homework is so difficult that he can't do it
4, It is such difficult homework that he can't do it
DT
7 tháng 1 2022
1. My sister says she went to school by bus this morning.
My sister said she had gone to school by bus that morning.
2. Nga says she have done her homework.
Nga said she had done her homework.
7 tháng 1 2022
1, My sister says that she goes to school by bus this morning
My sister said that she had gone to school by bus this morning
2, Nga says that she have done her homework
Nga said that she had done her homework
PL
1
21 tháng 9 2021
b: Ta có: \(5x\left(12x+7\right)-3x\left(20x-5\right)=-100\)
\(\Leftrightarrow60x^2+35x-60x^2+15x=-100\)
\(\Leftrightarrow50x=-100\)
hay x=-2
a. PTHDGD: \(\dfrac{2}{5}x-\dfrac{4}{3}=x+2\Leftrightarrow\dfrac{3}{5}x=-\dfrac{10}{3}\Leftrightarrow x=-\dfrac{50}{9}\Leftrightarrow y=-\dfrac{32}{9}\Leftrightarrow A\left(-\dfrac{50}{9};-\dfrac{32}{9}\right)\)
Vậy \(A\left(-\dfrac{50}{9};-\dfrac{32}{9}\right)\) là tọa độ giao điểm
b. PTHDGD: \(x-2=3x+4\Leftrightarrow x=-3\Leftrightarrow y=-5\Leftrightarrow B\left(-3;-5\right)\)
Vậy \(B\left(-3;-5\right)\) là tọa độ giao điểm