\(3\left(7y-x\right)=2x+y\Leftrightarrow21y-y=2x+3x\Leftrightarrow20y=5x\Leftrightarrow\frac{x}{y}=\frac{20}{5}=4\)
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Question 1:Fill the suitable number in the following blank?.343_____3Question 2:The positive value of such that left|2x-3right|+716 is _______Question 3:Given a function gleft(xright)2sqrt{x-7} . Find the value of gleft(11right)?Answer: The value of gleft(11right) is ._________Question 4:Find the value of such that 0,008left(0,2right)^x.Answer: . x_________Question 5:Given a functiongleft(xright)frac{2}{3-x} . Find the value of .gleft(1right)+gleft(2right)Answer: The value of gleft(1right)+gl...
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Question 1:
Fill the suitable number in the following blank?
.\(343=\)_____\(3\)
Question 2:
The positive value of such that \(\left|2x-3\right|+7=16\) is _______
Question 3:
Given a function \(g\left(x\right)=2\sqrt{x-7}\) . Find the value of \(g\left(11\right)\)?
Answer: The value of \(g\left(11\right)\) is ._________
Question 4:
Find the value of such that \(0,008=\left(0,2\right)^x\).
Answer: . \(x=\)_________
Question 5:
Given a function\(g\left(x\right)=\frac{2}{3-x}\) . Find the value of .\(g\left(1\right)+g\left(2\right)\)
Answer: The value of \(g\left(1\right)+g\left(2\right)\) is ._______
Question 6:
Suppose that \(\frac{7y-x}{2x+y}=\frac{1}{3}\) then the ratio of \(x\) to \(y\) is .________
Question 7:
If \(x\) is directly proportional to \(y\) with the scaling factor is 8, \(z\) is directly proportional to \(x\) with the scaling factor is 4.
Then \(z\) is directly proportional to \(y\) with the scaling factor is______ .
Question 8:
The maximum value of \(A=\frac{6}{2.\left(x-3\right)^2+3}\) is .______
Question 10:
Suppose that\(\frac{7-3x}{5}=\frac{y+4}{3}=\frac{6x-y}{5}\) . Find the ratio of \(y\) to \(x\)
Answer: The ratio of \(y\) to \(x\) is .______________-
(write your answer by decimal in simplest form)
the ratio of x to y is 7 to 3 and 2x - 3y = 10 then.......
Suppose that \(x\)is inversely proportional to y. if \(x=6\)then \(y=\frac{1}{2}\). The scaling factor is......................
Help me!!!
Suppose that y is directly proportional to x with the scaling factor is k.
If x=3 and y=9 then k=
Suppose that \(\frac{2}{3}\) of x is equal to \(\frac{7}{9}\). Then x = ?
Ai biết dịch và làm giúp mk với, mk tặng 2 tick !
Suppose that 5a=2b and 7b=3c. Find the ratio of ( c-b) to (b-a)
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
Question 7:
Suppose that ( x + 6 )2+ (3y -9 )4 + │x - y - z + 3 │ = 0
Then the value of x + y + z = ................
giải và dịch giùm lẹ lên nha . xin chân thành cám ơn
tìm x ; y ; z biếtfrac{x}{19}frac{y}{21}và 2x -y 34frac{x}{10}frac{y}{6}frac{z}{24}và 5x + y - 2z 28frac{x}{3}frac{y}{4};frac{y}{5}frac{z}{7}và 2x + 3y - z 1863x2y;7y5zvà x - y + z 32frac{2x}{3}frac{3y}{4}frac{4z}{5}và x + y + x 49frac{x-1}{2}frac{y-2}{3}frac{z-3}{4}và 2x + 3y - z 50frac{x}{2}frac{y}{3}frac{z}{5}và xyz 810frac{x^3}{8}frac{y^3}{64}frac{z^3}{216}và x2 + y2 + z2 142x3y;5y7zvà 3x + 5z - 7y 30
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tìm x ; y ; z biết
\(\frac{x}{19}=\frac{y}{21}\)và 2x -y = 34
\(\frac{x}{10}=\frac{y}{6}=\frac{z}{24}\)và 5x + y - 2z = 28
\(\frac{x}{3}=\frac{y}{4};\frac{y}{5}=\frac{z}{7}\)và 2x + 3y - z =186
\(3x=2y;7y=5z\)và x - y + z = 32
\(\frac{2x}{3}=\frac{3y}{4}=\frac{4z}{5}\)và x + y + x = 49
\(\frac{x-1}{2}=\frac{y-2}{3}=\frac{z-3}{4}\)và 2x + 3y - z = 50
\(\frac{x}{2}=\frac{y}{3}=\frac{z}{5}\)và xyz = 810
\(\frac{x^3}{8}=\frac{y^3}{64}=\frac{z^3}{216}\)và x2 + y2 + z2 = 14
\(2x=3y;5y=7z\)và 3x + 5z - 7y = 30