A^2 - b^2 = (a-b)(a+b)
To test it, expand the right hand side.
For the answer to the question above asking wWhat is the length of a room that is 8.8 cm long and 3 cm wide on the blueprint if <span>a blueprint, the scale indicates that 8 cm represent 16 feet?
</span>The room is 22.4 feet long
8cm=16ft
9.8cm=?ft
8cm 9.8cm
______=______
16ft x ft
Cross multiply
8x=156.8
divide both sides by 8
x=19.6 ft
Answer:
3 inches
Step-by-step explanation: An equilateral triangle means all 3 sides are the same length.
A square also have the same length for all 4 sides.
So each side of the square is 6cm, to find the perimeter you do 6*4=24.
then divide the square's perimeter by 3 since triangle have 3 sides. 24/3=8
so each side of the triangle will be 8cm
Answer:
the answer is
9b²-3b
Step-by-step explanation:
9b-3
Answer:
sorry for my handwriting
i think this is the correct answer
