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Bad White [126]
2 years ago
9

Simply. the answer should only contain positve exponets.

Mathematics
1 answer:
Murljashka [212]2 years ago
5 0
That's really an ugly mess.  I'm sure it can be greatly simplified.

                               2 m²  p⁻¹  q⁴  /  m⁴ p⁻¹ q⁴ m² q⁻³

-- There's  m²  on top and also  m²  on the bottom.  They can be cancelled.
-- There's  p⁻¹  on top and also  p⁻¹  on the bottom.  They can be cancelled.
-- There's  q⁴  on top and also  q⁴  on the bottom.  They can be cancelled.

So here's what we have left now:

                                         <span>2              /  m⁴           q⁻³

That's IT !  After only some cancelling.


We can take the  q⁻³  out of the denominator,</span>
and make it  q³  in the numerator.  
And here's what we have now:  

                                       <span>2  q³  /  m⁴   .

And I think that's really the end.
It looks much better now.
</span>
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The value 155 is zero standard deviations from the mean, because x = μ , and therefore z = 0.

<h3>What is Standard Deviation?</h3>

The standard deviation is a measure of the amount of variation or dispersion of a set of values.

The key concept we need to manage here is the z-scores , and we can obtain a z-score using the next formula:

z = (x - μ)/σ      ..............[1]

Where

z is the z-score.

x is the raw score: an observation from the normally distributed data that we want standardize using [1].

μ is the population mean.

σ is the population standard deviation.

These standardized values have always the same probability in the standard normal distribution, and this is the advantage of using it for calculating probabilities for normally distributed data.

A subject earns a score of 155.

From the question, we know that:

x = 155.

μ = 155

σ = 50

Having into account all the previous information, we can say that the raw score, x = 155, is zero standard deviations units from the mean. The subject earned a score that equals the population mean. Then, using [1]:

z = (x - μ)/σ

z = (155 - 155) / 50

z = 0/50

z = 0

As we say before, the z-score "tells us" the distance from the population mean, and in this case this value equals zero:  

x = μ

Therefore, z = 0

So, the value 155 is zero standard deviations from the [population] mean.

Learn more about Standard Deviation from:

brainly.com/question/13905583

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8 0
2 years ago
Help pls will mark brainlist !! :)
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Answer:

144 cubic inches

Step-by-step explanation:

a=lxwxh a=6*6*4

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