The diagram shows a track composed of a rectangle with a semicircle on each end. The area of the rectangle is 8400 square meters. What is the perimeter of the​ track? Use 3.14 for . 140 m

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

correct answers below:

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step-by-step explanation:

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step-by-step explanation:

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