Which line shown appears to have a slope of 2/3? A. I
B. II
C. III
D. IV
E. none of the above

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Ответ:

ijohnh14

14.01.2022

Mathematics

$\large\boxed{x=35^o}$

Step-by-step explanation:

We have the equation:

$56^o+y+51^o=180^o\\\\(56^o+51^o)+y=180^o\\\\107^o+y=180^o\qquad\text{subtract}\ 107^o\ \text{from both sides}\\\\y=73^o\\\\\text{We know: the sum of the measures of the angles of the triangle}\\\text{is equal to}\ 180^o.\\\\\text{Therefore we have the equation:}\\\\x+y+72^o=180^o\qquad\text{put the value of}\ y\\\\x+73^o+72^o=180^o\\\\x+145^o=180^o\qquad\text{subtract}\ 145^o\ \text{from both sides}\\\\x=35^o$

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Which line shown appears to have a slope of 2/3? A. I B. II C. III D. IV E. none of the above​