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NikAS [45]
3 years ago
7

Simplify the expression. 3g−9+11g−21

Mathematics
2 answers:
Tju [1.3M]3 years ago
7 0
<span>3g−9+11g−21
Simplified : 14g-30

</span>
Whitepunk [10]3 years ago
3 0
14g-30
Combine the like terms
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the angle c is 90°, it is a right triangle. (you see from the picture).

the sum of the interior angles are 180° (in all triangles)

so

180 - 90 - 29 =

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90 + 61 + 29 = 180°


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slamgirl [31]

Answer:

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Step-by-step explanation:

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