Find the values of x and y such that 3x=5y and 2x-3y=5 .
Answer: The value of x and y are ............., respectively.
(used ";" between the numbers)
Find the values of a,b and c such that
\(\left(ax^2+bx+c\right)\left(x-1\right)=-5x^3+4x^2+3x-2\).
Answer: The values of a,b and c are ......... , respectively.
(used " ; " between the numbers)
mình ko bít tiếng anh bn dịch hộ mình đi
Find the values of and such that
Answer: The values of x and y are . respectively.
(used ";" between the numbers)
The values of x and y are . respectively. (1;4);(2;3);;(4;1);(3;2)
If \(\frac{x-3}{4}=\frac{y+7}{5}\)and 2x - 3y = -1 then the value of x and y are ..................... , respectively.
(used ";" between the numbers)
giải giùm mình đi lẹ lên cần lắm
. let x, y be real number such that 4 + = 1. Find the maximum and minimum values of the expression
\(y=\frac{2x+3y}{2x+y+2}\)
Give the expresion A=(x-5)^2+(x+7).
Find the values of x and y such that y=0
Give the expresion A=(x-5)^2+(y+7)^2
Find the values of x and y such that y=0
Give the expresion A=(x-5)^2+(y+7)^2
Find the values of x and y such that y=0
Sang bên " Toán Tiếng Anh " ấy bạn ơi. Expression chứ ko phải Expresion
Và mình cũng sửa lại đầu bài cho bạn vì nếu y = 0 và A ko có giá trị cụ thể thì x sẽ có vô vàn giá trị để tìm
Vì vậy đầu bài sẽ cụ thể là : Tìm x và y để A = 0
\(A=\left(x-5\right)^2+\left(y+7\right)^2=0\\ \)
\(\Rightarrow\)\(\hept{\begin{cases}\left(x-5\right)^2=0\\\left(y+7\right)^2=0\end{cases}\Rightarrow\hept{\begin{cases}\left(x-5\right)=0\\\left(y+7\right)=0\end{cases}\Rightarrow}\hept{\begin{cases}x=5\\y=-7\end{cases}}}\)
The end ....
The charges for the usage of per m3 of water and per kWh of electricity are $1.94 and 26 cents respectively. In May, Mr Kumar used x m3 of water and y kWh of electricity and his bill came to $272.10. In June, his bill came to $202.60 for the usage of (x-5) m3 of water and (3y - 1950) kWh of electricity. Form two equations in x and y and solve these two equations to find the total cost of using (x+8) m3 of water and (2y-725) kWh of electricity.