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  • 12-01-2017
  • Mathematics
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Please help me on 1 and 4

Please help me on 1 and 4 class=

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erica10070
erica10070 erica10070
  • 12-01-2017
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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