Answer:
2.25
Step-by-step explanation:
We know that a supplementary angle is equal to 180. Since we have one angle, we can easily find the other angle.
180 - 128.9 = 51.1
The other angle is equal to 51.1 degrees
Answer:
The area is about
Step-by-step explanation:
To find the area you must use the equation A= h
Answer:
The total interest is £460.
Step-by-step explanation:
Formula
As given
£2300 is invested for 4 years at 5% per year simple interest.
Principle = £2300
Rate = 5%
Time = 4 years
Put in the formula
Simple interest = £460
Therefore the total interest is £460.
Answer:
4 + 9i
Step-by-step explanation:
A complex number consists of a real part and an imaginary part, that is
z = x + yi ( x is the real part and yi the imaginary part )
A complex number does not exist in the set of real numbers.