3 years ago

I NEED THIS ASAP!!!!! THANK YOU!!!!

Mathematics

1 answer:

erik [133]3 years ago

8 0

Answer:

idk go look on brainly duhh

Step-by-step explanation:

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Sally made a chicken dish for dinner. She added a 10-ounce package of vegetables and a 14-ounce package of rice to 40 ounces of

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So first add them al together
10+14+40=64

16 ounces=1 pound
1pound/16ounce=1 because they are equal

so then multiply 64 ounce by 1 or 1pound/16ounce to cancel units and get
64 pound/16=4 pound

4 pounds total

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3 years ago

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anzhelika [568]

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dmitriy555 [2]

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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,

ANTONII [103]

Answer:

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.

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

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

Deviations from mean = -0.3, 0.4, -0.4, 0.3

Sum of squares of differences =

0.09 + 0.16 + 0.16 + 0.09 = 0.5

$S.D = \sqrt{\dfrac{0.5}{3}} = 0.4082$

Mean = 13 kilometer per second

Standard Deviation = 0.4082 kilometer per second

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3 years ago