Answer:
Option D
Step-by-step explanation:
Whenever we take a square root of a number the ± sign is with it like here in the question

And then x = ±4.47 which means x has two values one is +4.47 and the other is -4.47 so Option D is our answer.
54 percent
You add the two together to get 39, then divide 21 by 39. This gives you 0.538, which turns into 54%
Answer:
The answer to your question is: letter C
Step-by-step explanation:
Multiplicative inverse is a pair of numbers which product gives 1.
Then
x will be our number
-9x = 1
x = - 1/9
because
-9 x
=
= 1
Maybe D ??
Step by step explanation
Answer:
379.75
Step-by-step explanation:
15.5 x 2450
100
= 379.75