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vlabodo [156]
3 years ago
11

Find the sum of the geometric series. 8+6+9/2+27/8+...

Mathematics
2 answers:
Tema [17]3 years ago
3 0

Answer: The answer is 58. Hope this helps!

mote1985 [20]3 years ago
3 0
I didn’t get 58 i got 28 i don’t know why. maybe i did it wrong but i’m pretty sure it’s right
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Write the equation of a line with slope 3 and y-intercept −3.
natta225 [31]
The equation would be y = 3x-3




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3 years ago
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Easy math for u trust me
iogann1982 [59]
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svlad2 [7]

Answer:

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Step-by-step explanation:

I;ve attached my work below

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2 years ago
What is the value of the correlation coefficient r of the data set?
enyata [817]

The correct option will be:  C) 0.84

<u><em>Explanation</em></u>

Formula for Correlation coefficient :

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

First, for each point(x, y), we need to calculate x², y² and xy .

Then, we will find sum all x, y, x², y² and xy, which gives us Σx, Σy, Σx², ∑y² and Σxy

<em>(Please refer to the attached image for the table )</em>

Here we got, ∑x = 44 , ∑y = 183 , ∑x² = 362 , ∑y² = 6575 and ∑xy = 1480

'n' is the total number of data set, which is 7 here.

So, plugging those values into the above formula..........

r= \frac{n(\Sigma xy)-(\Sigma x)(\Sigma y)}{\sqrt{[n\Sigma x^2-(\Sigma x)^2][n\Sigma y^2-(\Sigma y)^2]}}\\ \\ r=\frac{7(1480)-(44)(183)}{\sqrt{[7(362)-(44)^2][7(6575)-(183)^2]}}\\ \\ r=\frac{10360-8052}{\sqrt{(598)(12536)}}\\ \\ r=\frac{2308}{\sqrt{7496528}}\\ \\ r=0.84

So, the value of the correlation coefficient is 0.84

4 0
3 years ago
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The area of a rectangle is 36 square inches, and its perimeter is 26 inches. What are the length and width of the rectangle?
gogolik [260]

Answer:

9 and 4

Step-by-step explanation:

5 0
3 years ago
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