Rad15
use the pythagorean theorem on both triangles to find x
y^2 + 6^2 = 10^2
y=8
7^2 + x^2 = 8^2
x=radical 15
Answer:
,
,
.
Step-by-step explanation:
The magnitude is an absolute value by definition. Hence, each element has the respective value:

Answer:
2nd option
Step-by-step explanation:
the mean is calculated as
mean = 
= 
= 
=
+ 
= x + 
Answer:
11 - 3i = 44 (move 11 to the right side and add minus)
-3i = 44-11
-3i = 33 (dive it by -3)
i = -11