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NEED HELP ASAP PLEASE HELP Find DEC Select one: a. 120° b. 95° c. 90° d. 100°
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NEED HELP ASAP PLEASE HELP

Find DEC

Select one:
a. 120°
b. 95°
c. 90°
d. 100°

NEED HELP ASAP PLEASE HELP Find DEC Select one: a. 120° b. 95° c. 90° d. 100°-example-1
User Dusty Vargas
by
8.3k points

1 Answer

7 votes
The way you do this is by creating a system of equations:
5x - 10 = 4x + 12
Then you solve the system:
5x - 4x = 12 + 10
x = 22
Substitute x back into DEC and you get (4(22) + 12)°
Which is 100°
Hope this helps!
User Eyjo
by
8.2k points
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