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Mila [183]
3 years ago
5

100 POINTS!! Express in simplest radical form

Mathematics
2 answers:
Radda [10]3 years ago
4 0

Answer:

\large\boxed{3125x\sqrt[5]{x}}

Step-by-step explanation:

\sqrt[n]{a^m}=a^\frac{m}{n}\\\\\sqrt[n]{a^n}=a\\\\\sqrt[n]{ab}=\sqrt[n]{a}\cdot\sqrt[n]{b}\\\\a^n\cdot a^m=a^{n+m}\\---------------------\\\\3125x^\frac{6}{5}=3125\sqrt[5]{x^6}=3125\sqrt[5]{x^{5+1}}=3125\sqrt[5]{x^5\cdot x^1}=3125\sqrt[5]{x^5}\cdot\sqrt[5]{x}\\\\=3125x\sqrt[5]{x}

skad [1K]3 years ago
3 0

Answer:

3125 x  5th root (x)

Step-by-step explanation:

(3125 ) * x^(6/5)

When we have a some thing to a power greater than 1, we can separate it

We can rewrite 6/5 as 5/5 + 1/5

3125  x^(5/5+1/5)

We know a^ b *a^c = a^(b+c)

3125* x^5/5  * x^ 1/5

x^5/5 is x^1 or just x

3125* x  * x^ 1/5

3125 x  5th root (x)

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Answer:

R^2 = r^2 = 0.445^2= 0.198

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Step-by-step explanation:

Previous concepts

The correlation coefficient is a "statistical measure that calculates the strength of the relationship between the relative movements of two variables". It's denoted by r and its always between -1 and 1.  

Solution to the problem

In order to calculate the correlation coefficient we can use this formula:  

r=\frac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{[n\sum x^2 -(\sum x)^2][n\sum y^2 -(\sum y)^2]}}  

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