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2 years ago

Evaluate the problem ??? Does anyone know ?

Mathematics

1 answer:

Rudiy272 years ago

6 0

<h2>Greetings!</h2><h3>Whenever something is to the power of a half, it is square rooting the contents. In this case it is:</h3>

$\frac{\sqrt{25} }{\sqrt{36} }$

<h3>Which simplifies down to:</h3>

$\frac{5}{6}$

<h3>Because 25 and 36 are square numbers!</h3>
<h2>Hope this helps!</h2>

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If a firm produces nothing which of the following costs will be zero?

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3 years ago

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3 years ago

The following six independent length measurements were made (in feet) for a line: 736.352, 736.363, 736.375, 736.324, 736.358, a

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Answer:

Assuming population data

$\sigma = \sqrt{0.000354}=0.0188$

Assuming sample data

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Step-by-step explanation:

For this case we have the following data given:

736.352, 736.363, 736.375, 736.324, 736.358, and 736.383.

The first step in order to calculate the standard deviation is calculate the mean.

Assuming population data

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The value for the mean would be:

$\mu = \frac{736.352+736.363+736.375+736.324+736.358+736.383}{6}=736.359$

And the population variance would be given by:

$\sigma^2 = \frac{\sum_{i=1}^6 (x_i-\bar x)}{6}$

And we got $\sigma^2 =0.000354$

And the deviation would be just the square root of the variance:

$\sigma = \sqrt{0.000354}=0.0188$

Assuming sample data

$\bar X = \frac{\sum_{i=1}^6 X_i}{6}$

The value for the mean would be:

$\bar X = \frac{736.352+736.363+736.375+736.324+736.358+736.383}{6}=736.359$

And the population variance would be given by:

$s^2 = \frac{\sum_{i=1}^6 (x_i-\bar x)}{6-1}$

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And the deviation would be just the square root of the variance:

$s = \sqrt{0.000425}=0.0206$

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3 years ago

A car is traveling at a speed of 20 meters per second. What is the cars speed in kilometers per hour

IRISSAK [1]

Answer:

72 km/h

Step-by-step explanation:

We need to convert units

so:

20 m ----- 1 km -------- 3600 s

1 s ----- 1000 m ----1 h

and solve ot

20 x 1 x 3600 s = 72000 we multiply numerators

1s x 1000 m x 1 h = 1000 we multiply denominators

we divide de results 72000/1000 = 72

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3 years ago