2 years ago

Please help me on this math question

Mathematics

2 answers:

MAXImum [283]2 years ago

7 0

Answer:

Step-by-step explanation:

I also think that is 449.88

Komok [63]2 years ago

4 0

I think it would be 449.88

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Answer:

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Step-by-step explanation:

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1 year ago

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murzikaleks [220]

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1 -√2

Step-by-step explanation:

$\tan(x/2)=\dfrac{1-\cos(x)}{\sin(x)}\\\\\tan\left(\dfrac{1}{2}\cdot\dfrac{7\pi}{4}\right)=\dfrac{1-\cos\dfrac{7\pi}{4}}{\sin\dfrac{7\pi}{4}}=\dfrac{1-\dfrac{1}{\sqrt{2}}}{-\dfrac{1}{\sqrt{2}}}=\boxed{1-\sqrt{2}}$

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2 years ago

(84x - 69y) - (65x + 34y)

Svetach [21]

(84x - 69y) - (65x + 34y)

Remove the parenthesis and combine the like terms:

84x - 65x = 19x

-69y - 34y = -103y

Combine for final answer:

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