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mezya [45]
3 years ago
5

Which property was used to simply the expression 3c+9+4c=3c+4c+9

Mathematics
1 answer:
34kurt3 years ago
7 0
<span> commutative property</span>
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Step-by-step explanation:

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If m rst = 70, m qst = 2x, and m qsr = 3x-10 what is the m qsr
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Answer:

m qsr = 62°

Step-by-step explanation:

From my understanding, the question states 3 angles of a triangle

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