# math

posted by
**sarah**
.

p and L are related by the equation

p=RA/L

where all the other quantities in the equation are constant. How do I work out the gradient of a graph in which ñ is plotted against 1/L?

posted by
**sarah**
.

p and L are related by the equation

p=RA/L

where all the other quantities in the equation are constant. How do I work out the gradient of a graph in which ñ is plotted against 1/L?