2 years ago

List all the rational roots of f(x)=36x^3-15x^2-17x+6

Mathematics

1 answer:

Sedaia [141]2 years ago

6 0

Answer: A on Edge

Step-by-step explanation:

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3 years ago

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Paladinen [302]

Recall that

$\vec a\cdot\vec b=\|\vec a\|\|\vec b\|\cos\theta$

where $\theta$ is the angle between the vectors $\vec a,\vec b$ whose magnitudes are $\|\vec a\|,\|\vec b\|$ , respectively.

We have

$\langle6,4\rangle\cdot\langle7,5\rangle=\sqrt{6^2+4^2}\sqrt{7^2+5^2}\cos\theta$

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3 years ago

Kianna and three friends went out to dinner together. The total bill was $58.49. If they each agreed to pay an equal share of th

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Answer: $15.00 per person.
______________________________
Explanation:
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Given that there are "4 people" (that is, "Kianna and three friends");
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and a total of "$58.49" ; to be divided equally among 4 (four) people;
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we are asked to estimate the amount that EACH person will pay.
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For an ESTIMATE, $58.49 is ABOUT $60.00; or "60 dollars". ;

and (60 dollars) / 4 = 15 dollars {$15; or $15.00}.

60/4 = 15; or 60/4 = (60÷2)/(4÷2) = 30/2 = 15.
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Step-by-step explanation:

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