Answer:
Step-by-step explanation:
The equation of a direct variation is generally written as:
Where m is the slope of the equation of the direct variation line.
We want a direct variation equation that contains (6,-2).
We substitute the x=6 and y=-2 to find m.
Divide both sides by 6.
The required equation is
Answer: W= -51
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Actual price of the dress = 72
Selling price = 45
72 - 45 = $ 27
Percentage of decrease =
<h3>= <u>37.5%</u></h3>
.... Hope this will help.....
95,000 x .45=$42,750 for both federal and state tax..
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You can solve <span>9/x-4/y=8 for x or for y but NOT at the same time.
Solving for x: </span><span>9/x-4/y=8 Mult all 3 terms by xy to eliminate the fractions.
9(xy)/x - 4xy/y = 8xy => 9y - 4x = 8xy, or 9y = 4x + 8xy = 4x(1+2y)
then 9y = x [ 4(1+2y) ]
9y
therefore x = ------------
4(1+2y)
Solve for y using a similar approach.
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