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natita [175]
2 years ago
11

Identify the GCF of 9a^4b^4-27a^3b^3+18a^3b^2

Mathematics
1 answer:
hoa [83]2 years ago
3 0
Hello,

To solve, factour out the expression: <span>9a^4b^4-27a^3b^3+18a^3b^2.

Once factoured out you get the GCF 9a^(3)b^(2)


Faith xoxo</span>
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Answer:

Hello some parts of your question is missing below is the missing part

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Step-by-step explanation:

A) using a 0.05 level of significance and test for independence of the quality of management

Test statistic : X^{2}  ∑ ( Oi - Ei )^2 / Ei

= [(40-35)^2 / 35 ] +  [(25-24.5)^2 / 24.5 ] +  [(5-10.5)^2 / 10.5]  +  [(35-40)^2 / 40]  +  [(35-28)^2 / 28]  +  [(10-12)^2 / 12]  +   [ (25-25)^2 / 25 ]  +  [(10-17.5)^2 / 17.5 ]  + [(15-7.5)^2 / 7.5]  =  17.03  

p-value = 0.0019

Df = 4  ,

The level of significance ( 0.05 ) > p-value ( 0.0019 )

B) There is no dependence between the two ratings

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2 years ago
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horrorfan [7]

Answer:

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Step-by-step explanation:

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remember that the slope is the ratio "y coordinate change / x coordinate change".

but y is not changing at all, the change or difference is always 0 no matter what points we pick on the line.

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vlada-n [284]

Answer:

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I hope this help

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sukhopar [10]

Answer:

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