Combine the like terms in this expression and write your results in the simplest form: <span>3x – y + 4x + 6 – 2y
7x - 3y + 6 (answer)</span>
Answer:
The appropriate answer is "144".
Step-by-step explanation:
Given:
Population standard deviation,

Margin of error,

%

Or,


Now,
Critical value,
= 
= 
= 
The minimum sample size will be:
⇒ 
By putting the values, we get



or,
Each piece is 20 inches long.
Step-by-step explanation:
The length pieces of the ribbon can be obtained by dividing the total length of ribbon by total number of pieces
Given
String length = 168 inches
Number of pieces = 6
So the length of each piece will be:

Cutting 8 inches from each piece means that the length will be reduced 8 inches

Hence,
Each piece is 20 inches long.
Keywords: Division, length
Learn more about lengths at:
#LearnwithBrainly
35+(18x)
35 is just advance while we have to pay 18 extra everyday
Answer:
C
Step-by-step explanation: