2 years ago

Which is the factorization of 8x2 + 13x – 6?

Mathematics

1 answer:

quester [9]2 years ago

8 0

Answer:

(8x – 3)(x + 2)

Step-by-step explanation:

Hope this helps:)

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There is 0.3 kg of tin in a sword.

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The number of square feet per house is normally distributed with a population standard deviation of 154 square feet and an unkno

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Step-by-step explanation:

Confidence interval for population mean:

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As per given , we have

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$\overline{x}= 1550$ square feet

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Critical z-value = $z_{\alpha/2}=z_{0.2/2}=z_{0.1}=1.2815$

Confidence interval for population mean:

$1550\pm (1.2815)\dfrac{154}{\sqrt{16}}\\\\ = 1550\pm (1.2815)\dfrac{154}{4}\\\\= 1550\pm 49.33775\\\\ =(1550-49.33775,\ 1550+49.33775)\\\\\approx (1500.66,\ 1599.34)$

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