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3 years ago

7.

Mathematics

1 answer:

patriot [66]3 years ago

5 0

Answer:

Step-by-step explanation:

Square root of 92 is 9.591663047

so round that to 9.59

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HELPPPPPPPPPP!!!!!!! Calculate the correlation coefficient for the following data, showing all work. What does it tell you about

stiks02 [169]

Answer:

I will show the way.

Step-by-step explanation:

r is the correlation coefficient

$r=\frac{SSxy}{\sqrt{(SSxx)(SSyy)}}$

To find SSxy

SSxy= ∑ $xy$ - ∑ $\frac{(x)(y)}{n}$

To find SSxx

SSxy= ∑ $x^{2}$ - $($ ∑x $)^{2}$ /n

To find SSyy

SSxy= ∑ $y^{2}$ - $($ ∑y $)^{2}$ /n

if your r is near +1, it shows strong positive correlation. Y is proportional to X.

And if it nears -1, it would show strong negative correlation. Y is inversely proportional to X.

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3 years ago

Find the value of x in the figure below. Assume that the lines are parallel

Andreas93 [3]

C

work:

75 is equal to 2x+15

75-15 = 60

60/2 = 30

x=30

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3 years ago

(a) A house costs 36% more today than when it

HACTEHA [7]

hi it me and I will be there

3 0

2 years ago

Read 2 more answers

Select the expression that simplifies to 1 / x^1/8

Troyanec [42]

Answer:

$\left(\displaystyle \sqrt[3]{x^{-\tfrac 35}}\right)^{\tfrac 58}$

Step-by-step explanation:

$\left(\displaystyle \sqrt[3]{x^{-\tfrac 35}}\right)^{\tfrac 58}\\\\\\=\left[ \left(\displaystyle x^{-\tfrac 35} \right)^{\tfrac 13 \right]^{\tfrac 58}\\\\\\=\left( \displaystyle x^{-\tfrac 35}\right)^{\tfrac 5{24}}\\\\\\=x^{ \displaystyle -\tfrac{3}{24} \right}\\\\\\=x^{\displaystyle -\tfrac 18 }\\\\\\=\dfrac 1{x^{\tfrac 18}}$

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2 years ago

Scott is training for a triathlon This week he spent 3

Kipish [7]

Answer:

25%

Step-by-step explanation:

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3 years ago