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jolli1 [7]
3 years ago
15

Please help me on 1 and 4

Mathematics
1 answer:
Advocard [28]3 years ago
5 0
1.so what you are going to do it add up all the sides but not just in any order you are going to add up the like terms so 2/3x+1/3x+2/3x+1/3x that adds up to be 2x and the add up 10+5+10+5 which equals 30 so there you go. Your perimeter= 2x+30
2. -2/3 has a repeating decimal
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Step-by-step explanation:

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