The pressure P, the volume V and the temperature T ( in "K) of a confined gas are related by the ideal gas law P=. KT where k is a constant. Use differentials to determine by approximately what percentage the pressure changes if V changed from 40 in to 36 in and T changed from 360 'K to 369 K due to errors in measurements. Note : "K is a symbole for degree Kelvin.

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A: Solution: From the given information, b=–0.35 and a=1.01. The regression equation is

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A: x=0.9375 inch y=0.875 inch

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Q: calculate 1.100 1/2 dz, and 1100 1/2 dz x² x²

A: Solution- We know n=-2