SOLUTION: assume that y-varies inversely as x. if y=9 when x=8 find y when x=6
Algebra
->
Expressions-with-variables
-> SOLUTION: assume that y-varies inversely as x. if y=9 when x=8 find y when x=6
Log On
Algebra: Expressions involving variables, substitution
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Expressions-with-variables
Question 553686
:
assume that y-varies inversely as x. if y=9 when x=8 find y when x=6
Answer by
stanbon(75887)
(
Show Source
):
You can
put this solution on YOUR website!
assume that y-varies inversely as x.
y = k/x
------
Solve for "k" using "y=9 when x=8":
9 = k/8
k = 72
----
find y when x=6
Equation:
y = 72/x
y = 72/6
y = 12
===========
Cheers,
Stan H.
------