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My name is Ann [436]
3 years ago
7

There are ten pieces of pizza. Anthony ate 1 16 of the pizza for dinner. He ate 7 20 of the pizza for a bedtime snack. How much

of the pizza has he eaten in all?
Mathematics
1 answer:
DedPeter [7]3 years ago
8 0

Answer:4 ⅛ pieces of pizza

Step-by-step explanation:

Get lcm of 16 and 20 which is 80

5/80+28/80=33/80

80/80=10

33/80

33/80×10÷80/80=4⅛

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A sample was taken of the salaries of four employees from a large company. the following are their salaries, in thousands of dol
Free_Kalibri [48]

For given sample of salaries of four employees, the variance of their salaries is: 26 thousands of dollars

The formula for the variance is,

S^2=\frac{\sum (x_i - \bar{x})^2}{n-1}

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First we find the mean of their salaries.

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So, \bar{x}=31

Using the formula for variance ,

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Therefore, for given sample of salaries of four employees, the variance of their salaries is: 26 thousands of dollars

Learn more about the variance here:

brainly.com/question/13673183

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