Answer:
The ac product of 
is <u>420</u>.
The factors of the ac product that add to 41 are <u>20</u> and <u>21</u>.
Step-by-step explanation:
1) The general form of a quadratic is 
. Hence, multiplying 35 by 12 gives you the product of ac, which is 420.
2) We need to find two numbers that multiply to 420 and add up to 41 <u>simultaneously</u>. If we pull out the factors of 420, two of them will be 20 and 21, which multiply to 420 as well as add up to 41.
3) Write 
as a sum.
Now, we can factor them out by grouping.
Since, 
is common in both of the factors, we only take one of the 
along with 
and 
.
Ima be honest I used a calculator but the answer is 82
Answer: 0.14
Step-by-step explanation:
5 / (25+5+5)
Answer:
1. 
2. 
3. 
4. 
5. 
Step-by-step explanation:
The average mortgage owed by Americans is $306,500, with a standard deviation of $24,500.
From the above information, we know that,
The population mean is
The population standard deviation is
Suppose a random sample of 150 Americans is selected
Since the sample size is quite large then according to the central limit theorem, the sample mean is approximately normally distributed.
The sample mean would be the same as the population mean that is
The sample standard deviation is given by
Where 
is the population standard deviation and n is the sample size.
Therefore, the required parameters are:
1.
2.
3.
4.
5.
