100mph
Hope i could help and i hope i got it right....
Set up a system of equations:
x + y = 0.6
x - y = 7.2
You can solve using elimination. Add the two equations together:
2x + 0y = 7.8
2x = 7.8
x = 3.9
Then plug the number back into either of the two original equations to solve for y:
3.9 + y = 0.6
y = -3.3
The two numbers are 3.9 and -3.3
Answer and explanation:
Given : Examination of court records in a particular state shows that the mean sentence length for first-offense drug dealers is 26 months with a standard deviation of 2 months. The records show that the sentence lengths are normally distributed.
i.e. Mean
, Standard deviation 
Using Z-score formula,

1) What is the Z score for a 23 month sentence length? What is the probability of getting a sentence below that?
The Z score value for a
is given by,



The probability of getting a sentence below that is 
i.e. 

2) A defense attorney is concerned that his client's sentence was unusually harsh at 30 months. What percent of sentences are 30 months or longer? Calculate the Z score and report the area.
The Z score value for a
is given by,


The probability of getting a sentence below that is 
i.e. 


Into percentage, 
3) Would you consider a 30 month sentence harsh? Explain
Since the percentage for 30 months or greater is harsh because the smaller value of percentage of 
Answer:
I found that the answer to what the life expectancy is in 2005; if that is the answer you are looking for, here: 81.0
Step-by-step explanation:
All I did was add 0.4 twice to 80.2
I hope I did this correctly for you
Answer:
10, 15, 20, 25
Step-by-step explanation:
I think this is the answer but I'm not 100% sure??