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Answer this please someone? I need help.
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Answer this please someone? I need help.

Answer this please someone? I need help.-example-1
User Zann Anderson
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1 Answer

2 votes

Answer:

4z-12

Explanation:

the perimeter is the sum of all sides

so


P=(z+3)+(z-9)+(z+3)+(z-9)\\\\P=z+3+z-9+z+3+z-9\\\\P=4z+6-18\\\\P=4z-12

User Sheavens
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