X and (4x - 20) are supplementary angles because they add up to 180°. You can tell this because the line which they are formed on is 180<span>°.
Knowing that x + (4x - 20) = 180, you can solve for x:
</span>x + (4x - 20) = 180
(x + 4x) - 20 = 180
5x - 20 = 180
5x = 200
x = 40°
------
Answer: x = 40°
Answer:
f(x)=g(x) is the only answer
Step-by-step explanation:
Answer:
1.5 hours
Step-by-step explanation:
when norman left and 30 minutes passed he had traveled 20mph
norman. earl
30 min passed. 20mph. 0mph
1 hr passed. 40mph. 30mph
1 hr 30 min. 60mph. 60mph
Answer:
23/54
Step-by-step explanation: