DONT look at that photo. You have no idea what's in that link!
The answer is d) 6 batteries
Answer:
Following are the answer to this question:
Step-by-step explanation:
Given:
n = 30 is the sample size.
The mean
= 7.3 days.
The standard deviation = 6.2 days.
df = n-1

The importance level is
= 0.10
The table value is calculated with a function excel 2010:

The method for calculating the trust interval of 90 percent for the true population means is:
Formula:


It can rest assured that the true people needs that middle managers are unavailable from 5,37 to 9,23 during the years.
Answer:
sum of a triangle adds up to 180 degrees
a+b+c=180
35+52+93=180
Answer:
Solution x = - 1
Step-by-step explanation:
3 / (2x+1) = 9 / 3x
Cross multiply
3(3x) = 9(2x + 1)
Distributive property
9x = 18x + 9
Subtract 18x from both sides
-9x = 9
Divide both sides by -9
x = -1
12s - 20 < 3s - 25 |+20
12s < 3s - 5 |-3s
9s < -5 |:9
s < -5/9
Answer: Any number from the set (-∞, -5/9).