Answer:
=6r−18
Step-by-step explanation:
Distribute:
=2r+−6+(4)(r)+(4)(−3)
=2r+−6+4r+−12
Combine Like Terms:
=2r+−6+4r+−12
=(2r+4r)+(−6+−12)
=6r+−18
1 million milligrams make up a kilogram
So, to convert 135,000 mg to kg, we divide the value by a million
So, we get the answer 135,000 mg = 0.135 kg
Hope I helped!! xx
Answer:
z-test.
Step-by-step explanation:
We want to perform an hypothesis test for a population mean.
In the case that the <u>standard deviation of the population is known</u> and the population distribution is normal, even if the sample is small, <u>we will use a z-test</u>.
The usual case is to not know the standard deviation of the population, in which case a t-test is adequate instead of a z-test, taking into account the degrees of freedom of the sample.
Answer:
$125,500
Step-by-step explanation:
Make "x" equal the selling price of the house
7% of x is the commission --->
.07 * x = 8785
x= 8785/ .07
x= 125500
