Answer:
Proportion = 0.6 or 60 %
Step-by-step explanation:
Given:
- The obtained 95% confidence interval of a sample of adults rooting for North High:
(0.52 , 0.68)
- Sample size n = 150
Find:
What proportion of the 150 adults in the survey said they were rooting for North High School?
Solution:
The proportion of adults rooting for North high corresponds to the mean value of interval, as follows:
Proportion = ( 0.52 + 0.68 ) / 2
Proportion = 0.6 or 60 %
The length of one side of the square room of Rhett for his movie and music collection is (2x+7) feet.
<h3>What is area of square?</h3>
Area of square is the square of its sides length. It can be given as,

Here,
is the length of the side of the square
Rhett decides to build a square room for his movie and music collection. The area of the room is given by the polynomial equation as,

Find the factors of the above equation using the split the middle term method as,

Compare it with the area of the square we get,

Hence, the length of the square room of Rhett for his movie and music collection is (2x+7) feet.
Learn more about the area of square here;
brainly.com/question/1658516
Answer:
the second one (Diego)
Step-by-step explanation:
7a-3a
5b+4b
Answer:
fdfdsf
Step-by-step explanation:
dfsdfsdfs