Answer:
79°
Step-by-step explanation:
A triangle has 180° in it so 180 - 82 =98- 19=79
Answer:
x=−7+√130 or x=−7−√130
Step-by-step explanation:
So you make your equation 4x+20+40=180.
Add like terms and get 4x+60=180.
Subtract 60 from both sides, get 4x=120.
Divide boths sides by 4, get your answer of x=30.
Hope this helps
Answer:
Step-by-step explanation:
x ≤ −1 and y ≤ −0.4x + 2
