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OpenStudy (anonymous):
Look at the figure. What is the value of x? 30 40 10 20
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OpenStudy (anonymous):
hartnn (hartnn):
these two are supplementary angles,so their sum is 180 3x-10+70=180 can u solve further for x ?
OpenStudy (anonymous):
Is it 30?
hartnn (hartnn):
3x-10+70=180 3x+60=180 3x=180-60 3x=120 x=120/3 x=40
OpenStudy (anonymous):
SO it's 40?
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hartnn (hartnn):
yup :)
OpenStudy (anonymous):
Thanks :)
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