Answer:
121.5
Step-by-step explanation:
Find the mean of the last 4 numbers.
Answer:
3(4+n) = 12+n is an equation that could be used.
12n = 12+n
11n = 12
n= 1+1/11
Step-by-step explanation:
Answer:
He should word his statement as "Free replacement for tires that wear before 30875 miles."
Step-by-step explanation:
If he is willing to replace 10% of tires he should find the life of tires that gives an area of 10% in the normal distribution graph.
Now for 10% of area standard normal deviate Z can be obtained from normal distribution table
Using normal distribution table for 10% area we have Z = -1.28
Thus we have 
Applying given values we get

Answer:All answers are to 2 decimal places for accuracy.
1. Width is 27.71"
2. TV Size is 69.84"
3. Width is 51.96"
4. TV Size is 40.13"
5. Height is 26.06"
6.
Part 1: Diagonal is 61.91"
Part 2: Diagonal is 60.21"
Step-by-step explanation:
Check the picture below.
a vertical line has a slope of <u>undefined</u>, so can't quite use the slope-intercept form with it.