Answer:
The root symbol (√ ) is used to represent the square root of any number.
Answer:
11 units
Step-by-step explanation:
HPO and DPI are similar triangles
HP/DP = PO/PI
HP/9 = 6/27
HP = 9×6/27
HP = 2
HD = HP + PD
HD = 2 + 9 = 11
Answer:

Step-by-step explanation:

Multiply

Simplify




Answer:
below
Step-by-step explanation:


add -36 to both sides

divide both sides by 2


This is a quadratic equation
let's solve it by graphing it
The solution are the x-coordinates of the intersection points
The x-coordinates of the intersection points are approximatively -1.6 and 5.6