So the total value of a triangle is 180°
So when u calculate the missing angle its value is 42°
180°-(60°+78°) = 42°
Answer:
83.88
Step-by-step explanation:
-34.44 - x = 49.44
-x = 49.44 + 34.44
-x = 83.88
x = -83.88
Answer:
x<-9
So C is correct answer
Step-by-step explanation:
-3x-7<20
-3x<20+7
-3x<27
x<27/-3
x<-9
7 days a week
4x7=28
About 4 weeks each month
28x4=112
The answer should be 112 hours. I hope this helped