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Vikentia [17]
3 years ago
6

I need help this is hard for me and I have a few

Mathematics
1 answer:
VLD [36.1K]3 years ago
7 0

Step-by-step explanation:

Subtracting N by T

(3a2 + 2a - 5) - (2a2 + a + 6)

Subtracting like terms

a2 + a - 11

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g100num [7]

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mixas84 [53]

Answer:

x=72

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Step-by-step explanation:

1st question. y=54 because it is a bisector of the 108 degree angles. (a polygon's interior angles add to number of sides minus 2 times 180)

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