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3 years ago

15

cathy picks up 3 blouse and 2 jeans her total was $57 brenda picks up 4 blouse and 3 jeans her total was $81 how much is the cos

t of one jeans and one blouse

1 answer:

yuradex [85]3 years ago

8 0

Answer:

0.00002707385

Step-by-step explanation:

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Find the exact value by using a half-angle identity.<br><br> tan seven pi divided by eight

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Answer:

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

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3 years ago

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valentina_108 [34]

Answer:

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Step-by-step explanation:

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Please help with Geometry homework!!! Will give brainliest and 50 points to whoever answers first!!!

melomori [17]

Answer:

x = 42.5

Step-by-step explanation:

It is said:

If two angles are not corresponding, then they make up 180°. They are more known as supplementary angles.

So the equation is:

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Substitute

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Answer:

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Step-by-step explanation:

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