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AlladinOne [14]
3 years ago
8

(5x + ___)^2 = ___ · x^2+70xy + ___

Mathematics
2 answers:
Andrew [12]3 years ago
6 0

Answer:

(5x + 7y)^2 = 25x^2 + 70xy + 49y^2

Step-by-step explanation:

RSB [31]3 years ago
3 0

Step-by-step explanation:

(5x + 7) { }^{2}  = 25 {x}^{2}  + 2(5)(7) + (49)

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2 years ago
With work attached please
sasho [114]

Answer:

45

Step-by-step explanation:

You already solved that the 2 angles of the triangle are 55° and since all of the angles are on a straight line, they add up to 180°

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Then to double check you plug 45 as the value of x in.

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7 0
3 years ago
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4 0
3 years ago
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2 years ago
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