180-96= 84
That means 8x+12=84
84-12=72
That means 8x=72
72÷8=9
therefore X=9
Answer:
Perimeter 
Step-by-step explanation:
Let
= width of the rectangle.
From the information "length of a rectangle is 5cm more than width", we can write:
Length = 
- - - -
Perimeter
(formula for the perimeter of a rectangle)



∴ The expression of the perimeter of the rectangle in terms of
is
.
Hope this helps :)
Answer:
5 and 15
Step-by-step explanation:
Step-by-step explanation:
Diameter = 10 inch
Radius = 5 inch
circumference = 2πr = 2× 3.14× 5= 31.4 inch
option A
Answer:
8n-1
Step-by-step explanation:
it would be 8n-1 because you combine like terms