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Alja [10]
3 years ago
6

Expand the polynomial (x^(2)+xy-y^(2))(x+y)

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
6 0

Answer:

It's already expanded.

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3 years ago
Charles is doing renovations on his house. He has budgeted 25% of the cost for new
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$14,400

<em>Brainliest, please!</em>

<em />

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25% is furniture, and furniture costs $3600.

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2 years ago
If cos(2/3x+20)°=sin(2x−10)°, find the acute angles of the corresponding right triangle.
adell [148]

Answer:

A = 40°

B = 50°

Step-by-step explanation:

If cos A = sin B, then A + B = 90

So, 2x/3 + 20  + 2x - 10 = 90

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2x - 10 = 2(30) - 10 = 60 - 10 = 50  or  90 - 40 = 50

       

7 0
3 years ago
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25%

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sorry i did it in my head

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Help me ASAP it’s a math test
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