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## Homework Statement

How do you calculate the mass from slope of a line T^2 on y-axis and 1/f on x axis??

## Homework Equations

4π^2mr/fc

## The Attempt at a Solution

I don't know how to attempt this. I have a data table and the graph has y=0.7385x-0.0254.

Obviously 0.7385 is the slope but I do not know what to use to get the mass.