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3 years ago

Write the set by listing its elements.

Mathematics

1 answer:

IceJOKER [234]3 years ago

7 0

Step-by-step explanation:

set o= o

set t= t

those are the set of letters used to form the set

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BRAINLIESTTTTTTTTTTTT!! :)

skad [1K]

Your answer here would be letter A because for each year it is multiplied by 5 and so year 6 was 31,250 and 31,250 * 5 is 156,250

Have A Good Day :)

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3 years ago

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The ages of 11 students enrolled in an on-line macroeconomics course are given in the following steam-and-leaf display:

blsea [12.9K]

Answer:

The standard deviation of the age distribution is 6.2899 years.

Step-by-step explanation:

The formula to compute the standard deviation is:

$SD=\sqrt{\frac{1}{n}\sum\limits^{n}_{i=1}{(x_{i}-\bar x)^{2}}}$

The data provided is:

X = {19, 19, 21, 25, 25, 28, 29, 30, 31, 32, 40}

Compute the mean of the data as follows:

$\bar x=\frac{1}{n}\sum\limits^{n}_{i=1}{x_{i}}$

$=\frac{1}{11}\times [19+19+21+...+40]\\\\=\frac{299}{11}\\\\=27.182$

Compute the standard deviation as follows:

$SD=\sqrt{\frac{1}{n}\sum\limits^{n}_{i=1}{(x_{i}-\bar x)^{2}}}$

$=\sqrt{\frac{1}{11-1}\times [(19-27.182)^{2}+(19-27.182)^{2}+...+(40-27.182)^{2}]}}\\\\=\sqrt{\frac{395.6364}{10}}\\\\=6.28996\\\\\approx 6.2899$

Thus, the standard deviation of the age distribution is 6.2899 years.

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2 years ago

HELP LIKE ASAP

Nady [450]

Answer:

Step-by-step explanation:

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2 years ago

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Which quadrilateral below could have four different side lengths?

makvit [3.9K]

Answer:

c. trapezoid

Step-by-step explanation:

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3 years ago

Pls help me quickly

Tcecarenko [31]

All real solutions

Everything cancels out once you multiply the top equation by two.
0 = 0 which means all real answers.
I hoping you meant question 3. Good luck!

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3 years ago

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