Let the original price = x
then 76.50 = 0.90x
x = 76.50 / 0.90 = 85
Answer:
Step-by-step explanation:
5(2x-9)+3
10x - 45 +3
10x - 42
x- 4.2
Answer:
a) 11,10,9,8...1
b) 3,1,-1,-3...-15
Step-by-step explanation:
Answer:
I am pretty sure its an equilateral triangle
Step-by-step explanation:
im so sorry if its wrong .
Answer:
Perpendicular bisector theorem
Step-by-step explanation:
The illustration of the theorem is:
If point B is a perpendicular bisector of Line AC and the length of AC is 10cm
Then

Where
--- Perpendicular bisector
So, the equation becomes



Recall: 
