Answer:
Option D, 5 plus i square root of 11
Step-by-step explanation:
We have to find the solution of x² - 10x = -36
x² - 10x = -36
x² - 10x + 36 = 0
x² - 2(5x) + 25 + 11 = 0
(x-5)² + 11 = 0
(x-5)² = -11
(x-5) = √(-11)
x = 5 + i√11 [ since √(-1) = i]
Option D 5 plus i square root of 11 is the answer.
Answer:
B.8 ft by 3 ft.
Step-by-step explanation:
The dimensions of the pyramid, expressed in ancient Egyptian units of measurement, were 280 cubits high, a base length of 440 cubits, with a seked of 512 palms (a slope of 51°50'40").
Answer:
X = 30
Step-by-step explanation:
Because every triangle adds to the total of 180
so 102+48=150 and 180-150=30
Hope this helps
Answer:
The area of the enclosed gazebo is 
Step-by-step explanation:
I assume that is a regular octagon (eight equal aides)
we know that
The area of a regular polygon is equal to
where
P is the perimeter of the polygon
a is the apothem
<em>Find the perimeter P</em> (the octagon has 8 sides)
substitute
