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nydimaria [60]
3 years ago
8

I need help on this answer and don't know. Do you know how to do it?????

Mathematics
1 answer:
tatyana61 [14]3 years ago
7 0
0 + (-3 1/4)
1 + (-4 1/4)
2 + (-5 1/4)
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x^2-9x + 14 = \boxed{\bf{(x-2)(x-7)}}

Your answer is x - 2.
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Which operation involving complex numbers requires the use of a conjugate to be carried​ out?
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The correct answer will be "Division".

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In Applied Life Data Analysis (Wiley, 1982), Wayne Nelson presents the breakdown time of an insulating fluid between electrodes
Ede4ka [16]

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xbar=14.3421

s=18.7920

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sample mean

xbar = ∑x/n = (0.20 + 0.73 + 0.99 +1.29 + 2.84 + 3.34 + 4.07 + 4.69 + 4.86 + 6.53 + 7.45 + 8.07 + 8.21 + 12.39 + 31.67 + 32.53 + 33.92 + 36.00 +72.72)/19=14.3421

where n stands for the size of the sample

sample deviation

s= \sqrt{}(∑(x_i - x bar )^2/(n-1)) = \sqrt{}(∑x_i^2 - n*xbar^2)/(n-1)) = \sqrt{}(0.20^2 + 0.73^2 + 0.99^2 +1.29^2 + 2.84^2 + 3.34^2 + 4.07^2 + 4.69^2 + 4.86^2 + 6.53^2 + 7.45^2 + 8.07^2 + 8.21^2 + 12.39^2 + 31.67 ^2+ 32.53^2 + 33.92^2 + 36.00^2 +72.72^2-19*14.3421^2)/(19-1)) = 18.7920

3 0
3 years ago
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