3 years ago

Peyton's car used 6 gallons to travel 192 miles. How many gallons of gas would she need to travel 480 miles?

Mathematics

2 answers:

grandymaker [24]3 years ago

6 0

Answer:15

Step-by-step explanation:

alexira [117]3 years ago

5 0

Answer:16

Step-by-step explanation:

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suppose that you made four measurement of a speed of a rocket: 12.7 km/s, 13.4 km/s, 12.6 km, and 13.3 km/s. compute: the mean,

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Mean = 13 kilometer per second

Standard Deviation = 0.4082 kilometer per second

Step-by-step explanation:

We are given the following data set of rocket speed in kilometer per second in the question:

12.7, 13.4, 12.6, 13.3

Formula:

$\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

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$Mean =\displaystyle\frac{52}{4} = 13$

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Standard Deviation = 0.4082 kilometer per second

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