3 years ago

HELP MEE PLEASEEEE I NEED THE CORRECT ANSWER

Mathematics

1 answer:

Vika [28.1K]3 years ago

3 0

It’s C oof oof oof oof

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the average cost of regular gasoline in north carolina increased by 73% from 2006 to 2007. If the average cost of a gallon of ga

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You would need to do 2.069+73% which would get you 3.57937

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Which of the following Platonic solids is also a pyramid? A. tetrahedron B. Hexahedron C. octahedron D. Icosahedron E. dodecahed

tiny-mole [99]

Tetrahedron - its the only one that has a base from which all edges meet at a single point.

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

Tamiku [17]

Answer:

The correct option is b.

Step-by-step explanation:

The formula for standard deviation is

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

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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Lee has 3 children, the oldest is twice as old as the oungest, the middle is 5 years older than the youngest, the sum of the chi

tangare [24]

Oldest = 2x
Middle = x + 5
Youngest = x

2x + x + 5 + x = 57
combine like terms

4x + 5 = 57
subtract 5 from both sides

4x = 52
divide both sides by 4 to isolate x

x = 13

Oldest = 2x = 2(13) = 26
Middle = x + 5 = 13 + 5 = 18
Youngest = x = 13

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Maria ran at a rate of 3.4 miles per hour for 6.8 hours. How many miles did she run in total?

Akimi4 [234]

Answer:

6.8+3.4=10.2

Step-by-step explanation:

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