Substitute the information that you are given into the formula.
As x
To calculate the unknown concentration from a standard curve, you first need to plot a graph with known concentrations and corresponding measurements. Then, you can use the equation of the line to determine the concentration of the unknown sample based on its measurement.
A comparison between an unknown quantity and a standard is known formally as a measurement. In essence, by taking a measurement of a standard against an unknown quantity, you are creating your own system of measurement.
the comparison of unknown quantity against fixed with known quantity is called measurement.
Use a protractor.
the unknown measurement of a side of a triangle
An exact measurement is unknown.
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To determine cause of death if unknown.
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weight