The answers B <span>2.6875 x 105 i took the test</span>
The expression (21 + 5i) + (-1 + i) demonstrates the commutative property of addition for (-1 + i) + (21 + 5i)
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two or more number and variables.
Given the expression:
(-1 + i) + (21 + 5i)
Using the commutative property of addition, we get:
(21 + 5i) + (-1 + i)
The expression (21 + 5i) + (-1 + i) demonstrates the commutative property of addition for (-1 + i) + (21 + 5i)
Find out more on equation at: brainly.com/question/2972832
#SPJ4
The compound inequality represented by the graph shown in the image below is 5 < x < 9
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two or more variables and numbers.
The image shown represents a compound inequality. It represents:
x > 5 and x < 9
The compound inequality represented by the graph shown in the image below is 5 < x < 9
Find out more on equation at: brainly.com/question/2972832
#SPJ1
Answer:
C
Step-by-step explanation:
The same x value cannot be used more than once or it isn't a function.
Answer: x=2−2√3,2+2√3
Step-by-step explanation:
