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What two things must be included into a measurement?
The value of the measurement and the units used.
What two things must a measurement have?
a number and a unit
If two angles are supplementary and one of them is 30 degrees what is the measurement of the second angle?
If two angles are supplementary, and one angle measures 30 degrees, then the second angle must measure 150 degrees. This is because by definition if two angles are supplementary, then they must up to 180 degrees.
What is the ratio of two measurements having different units of measurement?
If you have two items using different units of measurement, you must first convert to the same type in to percentage. Then, you can compare the ratio, It is called coefficient of variability. For example if you want to compare length with weight of two variables or populations, then first convert the measurements in percentage and then go for comparision.
What two criteria must be true for a graph to be a proportional relationship?
If a proportional relationship is graphed on the coordinate plane, what things must be true?
