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shtirl [24]
3 years ago
7

Really easy question please help please look at picture

Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
6 0
Answer: D 
-2.9a+6.8+4.4a-7.3
[-2.9a+4.4a]=1.5a
[6.8-7.3]=-0.5
1.5a-0.5
oksian1 [2.3K]3 years ago
5 0

Answer:

The answer is D

Step-by-step explanation:


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Answer:

150°

Step-by-step explanation:

to find the individual angle of a REGULAR dodecagon (which means that all sides are equal), you'd use the equation I(individual angle)= (n-2)×180/n

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6 0
3 years ago
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stellarik [79]

Answer:

Step-by-step explanation:

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Substitution:

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4 0
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