The answer is -8
when you put in -3 for x, you have to first multiply 2 and -3, and you get 6, then you subtract 2 and you get -8. There you go =)
Answer:
-0.462
Step-by-step explanation:
The null hypothesis is:
The alternate hypotesis is:
Our test statistic is:
In which X is the sample mean, is the population mean(the null hypothesis), is s is the standard deviation of the sample.
In this problem:
So
So the correct answer is:
-0.462
Answer:
x<3
Step-by-step explanation:
Answer:
$420
Step-by-step explanation:
The formula for simple interest is i = prt, where p is the principal, r is the annual interest rate expressed as a decimal fraction, and t is the number of years.
Here p = $2,000, r = 0.07 and t = 3 yr, and so
i = ($2,000)(0.07)(3) = $420 was the amount of interest earned.
Answer:
0.000002
Step-by-step explanation:
since its -6+2 you need to move the decimal place in 2, 6 places foward. So the number would go from 2 to 0.000002.