Answer:
1
Step-by-step explanation:
Just replace 0 instead of x and simplify.
Answer:
The third one is correct
Step-by-step explanation:
Answer:
n = 18
Step-by-step explanation:
The formula for angle sum of a polygon is S = 180 (n - 2), where S is the sum and n is the sides.
We are given that the sum is 2880, and are trying to find n.
Simply sub in S = 2880,
2880 = 180 (n - 2)
Divide by 180 to get (n - 2) by themselves on the right side,
16 = n - 2
Now add 2 to the other side to get n by itself
18 = n
n = 18
Hope this helped!! Please feel free to ask me if there's anything you don't understand from this working
Answer:
? = 113
Step-by-step explanation:
The angles are alternate interior angles. Alternate interior angles are equal if the lines are parallel. Since the lines are parallel, the angles are equal.
? = 113
First divide both sides by 2 so that we can get rid of the parentheses, so we get

now subtract 5 from both sides

then finally we want x alone so we'll divide both sides by 3 and get our final answer!