Answer:
<h2>145°</h2>Step-by-step explanation:
There are two ways to find the value of X
( sum of co-interior angles)
Move constant to R.H.S and change its sign
Calculate the difference
°
You can use another way too.
° ( being vertically opposite angles)
Vertically opposite angles are always equal.
Hope this helps...
Best regards!!
Answer:
Step-by-step explanation:
Fixed monthly fee = $20
Amount charged per minute for long distance calls = $0.20
denotes total cost such that
minutes are used for long distance calls.
Amount charged for minutes for long distance calls
Therefore, an equation for the total cost, C, when N minutes are used for long distance calls is