Answer:
n = 11/3
Step-by-step explanation:
n = certain number
6n - 1 = 21
6n = 22
n = 22/6 or 11/3
In the complex plane, the two given points are represented by

and

. The midpoint would then be

which represents the complex number

.
Cosx= sin(90-x)
From the RHS,
sin(90-x)= sin90cosx-cos90sinx
Since sin90=1, cos90=0
sin90cosx-cos90sinx=cosx-0=cosx (proven)
Answer:
Total expenses: $245.00
Total revenue: $479.00
Total profit $234.00
Step-by-step explanation:
Just did it and got it correct
The answer should be isosceles