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sdas [7]
2 years ago
9

Need help pls and thxs​

Mathematics
2 answers:
Lemur [1.5K]2 years ago
8 0

Answer:

12y^6−36y^5+42y^2 ( the first one)

Step-by-step explanation:

all you need to do is distribute like -6y^2 times -2y^4, -6y^2 times 6y^3, and lastly -6y^2 times -7

I hope its helps

Sati [7]2 years ago
3 0
It’s the last option.
Hope this helps
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<h3>When should the t-distribution and the z-distribution be used?</h3>
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In this problem, σ is not​ known, hence we get the standard deviation of the sample from the histogram and the t-distribution is used.

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More can be learned about the t-distribution at brainly.com/question/16162795

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2 years ago
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