anggar20
07.01.2020 •
Mathematics
In parallelogram army , angle a equals (3x+10)° and angle y equals (2x+15.5)° what is x?
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Ответ:
x = 5.5
Step-by-step explanation:
Since the shape is a parallelogram, the opposite angles are congruent. Angle A is opposite Angle Y so we can set their values equal to each other to solve for x:
3x + 10 = 2x + 15.5
Bring the variables to one side and the constants to the other:
x = 5.5
Ответ:
Step-by-step explanation:
1.Remove parentheses.
-5+2X -y
thus, the answer is C. only the + sing will change in to a - sing
hope i this helped
have a great day.