3 years ago

What is the question please help

Mathematics

1 answer:

OLga [1]3 years ago

8 0

It is biggest to smallest I presume

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Solve the equation b - 7 - 6 = 15 + 5b

hoa [83]

Answer:

b = -7

Step-by-step explanation:

b - 7 - 6 = 15 + 5b

b - 13 = 15 + 5b

4b = -28

b = -7

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I need help with this math question

Blababa [14]

The answer is 1206 cm. The formula for the volume of this cone is 1/3 • 3.14 • 12(2) • 8.
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3 years ago

The variance of a stock's returns can be calculated as the:

Tamiku [17]

Answer:

The correct option is b.

Step-by-step explanation:

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$\sigma^2=\frac{\sum {(x-\overline{x})^2}}{n}$

where, $\overline{x}$ is mean of the data and n is number of observation.

The variance of a stock's returns can be calculated by the above formula.

Variance of stock's returns is the average value of squared deviations from the mean.

Therefore the correct option is b.

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3 years ago