X^2 - 8x + 13 = 0
subtract 13 from both sides
x^2 - 8x = -13
-8/2 = -4, (-4)^2 = 16, add 16 to both sides
x^2 - 8x + 16 = -13 + 16
factor the left side
(x - 4)^2 = 3
Perimeter of a triangle =sum of all sides
=2x-7+5x-3+2x-2
=2x+5x+2x-7-3-2
=9x-12
Answer:
Adam has 2 apples he cuts the apples into fourths giving him 8 apple slices
Step-by-step explanation:
hope it helps
B
Because 2 sqrt5 is = to sqrt 20.
4^2=16, 6^2=36
