Mathematics, 15.04.2020 02:25 dontworry48
The perimeter of a rectangular park is 620 meters. The length of the park is 20 meters less than twice the width. What are the length and width of the park?
a) L = 240m; W = 70m
b) L = 210m; W = 100m
c) L = 200m; W = 110m
d) L = 160m; W = 150m
Answers: 2
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2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
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The perimeter of a rectangular park is 620 meters. The length of the park is 20 meters less than twi...
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