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egoroff_w [7]
3 years ago
6

Please help and thank you for all who helps​

Mathematics
1 answer:
slega [8]3 years ago
8 0

Answer: JK+KL=JL <--> 4x+6+7x+15=120 <--> x=9

JK=4x+6=4.9+6=42

KL=7x+15=7.9+15=78

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Rate of change for 71, 62,53,44
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Answer:-9

Step-by-step explanation:

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Sal proves that the angles of an equilateral triangle are all congruent (and therefore they all measure 60°), and conversely, that triangles with all congruent angles are equilateral.

5 0
3 years ago
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7 0
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