Mathematics, 31.08.2019 04:30 selenamoreno8713
The train travels at an average speed of 68 miles per hour for the first 2 hours and at an average speed of 80 miles per hour for the next 4 hours. what was the train's average speed for the 6 hour trip?
Answers: 1
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The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3
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Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.
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True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1
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Mathematics, 22.06.2019 01:20
1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed
Answers: 2
The train travels at an average speed of 68 miles per hour for the first 2 hours and at an average s...
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