3 years ago

I need some help with this one

Mathematics

1 answer:

DIA [1.3K]3 years ago

4 0

Answer:

I wanna say the average price of a large pizza would be about 9 dollars.

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Step-by-step explanation:

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Can you please answer this question

tamaranim1 [39]

$3tan^{2} \theta +7sec\theta=3$
First I converted the equation terms into sine and cosine.
$tan^{2}\theta = \frac{sin^{2}\theta}{cos^{2}\theta}$ and $sec\theta= \frac{1}{cos\theta}$
Substitution:
$\frac{3sin^2\theta}{cos^2\theta} + \frac{7}{cos\theta} =3$
Common Denominator Created:
$\frac{3sin^2\theta}{cos^2\theta} + \frac{7cos\theta}{cos^2\theta} =3$
Multiply each term by the LCD:
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$3(1-cos^2\theta)+7cos\theta=3cos^2\theta$
Distribute and collect all terms on one side:
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Factor and set each factor equal to 0:
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3 years ago

3/5 is the same as 3.5<br> Is he correct?

Alexxx [7]

He is not correct because 3.5 is actually 3 and 1/2
not 3/5
hope that helps @:)

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Rudik [331]

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