Answer:
29
Step-by-step explanation:
conjugate of a+ib=a-ib
conjugate of 2-5i=2+5i
(2+5i)(2-5i)=2²-(5i)²=4-25i²=4-25(-1)=4+25=29
Answer:
48.
Step-by-step explanation:
Let's write a simple equation. Let x = other number, then
5/12 * x = 20
x = 20 / 5/12
x = 20 * 12 / 5
x = 4 * 12 = 48 (answer)
Answer:
0.58578643762
Step-by-step explanation:
The exponent is the 3 over the x

First see what 4 could go by and the answer closest to 18 that is not more than the answer is the first number of the answer.
4×1=4
4×2=8
4×3=12
4×4=16
In this case 4 is the first number of the answer because if you fo 4 by 5 it equals 20 , which is more than the answer
4×5=20
after that , you subtract the answer, 18 minus 16 which is 2 because nothing times 4 equals 2
So the remainder is 2/4 or .50
If you have any questions about this please don't hesitate to ask me