TrustedTrappp TrustedTrappp

03-03-2018
Mathematics

contestada

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 class=

Respuesta :

hornbeckj hornbeckj

03-03-2018

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!

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