Consider the following. The variable y varies directly as x, and y = 80 when x = 48. Write the equation that expresses the relationship between the variables. (Let k represent the variation constant.) y =     Using the given data, solve for the variation constant k. k =

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Consider the following.
The variable y varies directly as x, and
y = 80
when
x = 48.
Write the equation that expresses the relationship between the variables. (Let k represent the variation constant.)
y =
 
 
Using the given data, solve for the variation constant k.
k =
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