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I need help on NUMBER 8.
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Nov 2, 2017
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I need help on NUMBER 8.
Mathematics
middle-school
Shrikantbishoye
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Explanation: I know that these two angles are supplementary, so I know by adding them, they equal 180 degrees.
Math: x+30+(3x+10)=180
4x+40=180
4x=140
X=35
Substitute your X values back in.
X+30
35+30
=65
3x+10
3(35)+10
=115
Fakeleft
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Nov 7, 2017
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Fakeleft
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