anymouse3455
30.11.2020 •
Mathematics
In the diagram below, DE is parallel to XY. What is the value of y?
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Ответ:
Explanation:
Alternate exterior angles are congruent when we have parallel lines like this.
You can use their vertical angle counterparts to then use the alternate interior angles if you want.
Ответ:
-3m-4n+14 (D)
Step-by-step explanation:
R-S+T=
Substitute the Values given
(11-2m)-(n+5)+(-m-3n+8)=
Open Parenthesis
11-2m-n-5-m-3n+8=
Combine Like Terms
-3m-4n+14