Answer:
The correct answer is the last option.
Step-by-step explanation:
When you have a fraction with complex numbers, the first step to simplify is to multiply up and down the conjugate of the denominator, this will eliminate the complex part of the denominator, and in this way you can separate the expression in its real and complex part.
For the expression:
The denominator conjugate is 4 + 2i
When multiplied, the denominator is:
Answer:
1. Option c
2. Option d
Step-by-step explanation:
This type of survey is includes a sample made up of voluntary responses. People only choose to or do not choose to respond.
This type of sampling method is most of the time unbelievable because generally only people with strong opinions about this particular questions will respond and it is usually towards the same direction as the question and this might not reflect the opinion of the whole population making the survey biased.
Perimeter is adding up all the dues together
if it’s 30
13+5=18
30-18=12
x is 12
The least is 2/7 then 1/2 then 5/6 and the greatest is 4/2
3 ^ 3 is the same as 3 * 3 * 3
So:
3 * 3 * 3 =
(3 * 3) * 3 =
( 9 ) * 3 =
27
