peiying9922p6r0mk peiying9922p6r0mk

06-04-2018
Mathematics

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I need help with two of these questions, question number 10 and 11

I need help with two of these questions question number 10 and 11 class=

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tiff321 tiff321

06-04-2018

10) x+(x+20)+(2x+10)+(x+40)=180 degrees
5x+70=180
5x=110
x=22

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