The answer to this is D, $990.00
one expression using a variable for the unknown is... x = (3)(6/4)
So a complementary angle is going to equal 90 degrees.
The equation is : x - 10 + 4x - 10 = 90
Then, add together the matching terms : 5x - 20 = 90
Add 20 to both sides : 5x = 110
Then divide both sides by 5 : x = 22
Insert the value 22 into the first equation : (22 - 10) + (4*22 - 10) = 90
Solve : 12 + 78 = 90
Angle UVW = 12 and angle XYZ = 78
Answer:
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Step-by-step explanation:
13-x=5
-x=5-13
-x=-8
x=8
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hope this helps :)
