3 years ago

Plz help you have to find the angle marked x in each of these polygons

Mathematics

1 answer:

svetoff [14.1K]3 years ago

5 0

Https://us-static.z-dn.net/files/dd0/5d5ddccb833d70732c67b84ec119f42f.jpeg

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Multiply (4x-3w)(5x-7w)

andre [41]

Answer:

20x² - 43xw + 21w²

Step-by-step explanation:

We use FOIL to expand the expression:

F - First

4x(5x) = 20x²

O - Outside

4x(-7w) = -28xw

I - Inside

-3w(5x) = -15xw

L - Last

-3w(-7w) = 21w²

20x² - 28xw - 15xw + 21w²

Combine like terms and add up using correct signs and you should get your answer.

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Answer:

The cost of her old laptop would be $52.

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Hopefully this helps!

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