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.
</span>
Answer:
1 out of 26
Step-by-step explanation:
Because there are 26 letters in the alphabet !
If your 2 means "u squared" then
Just do 8-42=-34
The answer is -32u^2
I use ^ to show exponents
Answer: The change is -25 dollars so she currently has 325 dollars
Step-by-step explanation:
Given :
A meat market sells fajitas for $5.12 per pound.
To Find :
The cost of 3 - lbs of fajitas.
Solution :
Price of 1 pound fajitas, p = $5.12 .
So, price of 3 pounds of fajitas is :
P = 3 × p
P = 3 × 5.12
P = $15.36
Therefore, price of 3 pounds fajitas is $15.36 .
