1 answer:
Answer:
40 Degrees
Step-by-step explanation:
A triangle has a total of 180 degrees therefore if you add up the angles and then subtract by 180 you would get 40 degrees.
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Answer:
w= -3.75
Step-by-step explanation:
-5(4w+12) =15
-20w -60=15
-20w=75
w=-3.75
Answer:
51
Step-by-step explanation:
plug in
6+5(9)
6+45
51
Answer:
d
Step-by-step explanation:
4x-6-5x-1
= 4x-5x-6-1
=-x-7
Answer:
42, 138, 138
Step-by-step explanation:
the line not adjacent to the 42 degree angle is also 42 by the vertical angles theorem. Then you find the measure of the other 2 by x+42=180 so x=138.
