SOLUTION: Find an equation of variation if the following conditions exist. Suppose that y varies directly as z and y = 43 when z = 387.

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations -> SOLUTION: Find an equation of variation if the following conditions exist. Suppose that y varies directly as z and y = 43 when z = 387.       Log On

Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanations. Free on-line demo .
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 241472: Find an equation of variation if the following conditions exist.
Suppose that y varies directly as z and y = 43 when z = 387.
Answer by stanbon(48568) About Me  (Show Source):
You can put this solution on YOUR website!
Find an equation of variation if the following conditions exist.
Suppose that y varies directly as z and y = 43 when z = 387.
-----------------------------------
y = kz
--------------------
43 = k*387
k = 43/387
k = 1/9
-------------------
Equation:
y = (1/9)/z
y = 1/(9z)
=========================
Cheers,
Stan H.