Answer:
2x^2 - 2
Step-by-step explanation:
FOIL:
First outer inner last.
So we take (x-1) and (2x+2) and multiply the two first terms together.
2x^2
Next, we do the two outer terms.
2x^2 + 2x
Inner is next.
2x^2 + 2x - 2x
Then the last two terms in the equation.
2x^2 + 2x - 2x - 2
Then simplify:
2x^2 - 2
Answer:
$3.60
Step-by-step explanation:
First divide the total cost by how many cartons of milk there are multiplied by how many gallons there are in a carton. So it would look like 28.80/4*2 which is 3.6
Answer and Step-by-step explanation:
The data represent sample of five men and five women conducted a randomization test to compare the sexes on the variable pulse.
The samples revealed that in 120 out of 252 possible outcomes under randomization have large difference. From this information it cannot be concluded that the sexes differ with regard to pulse.
The hypothesis test should be conducted between treatment and response for valid conclusion. The student can consider the biological content of men and women or verbal statements. The answer varies from person to person according to their respective data set. Therefore, it cannot be concluded that the sexes differ with regard to pulse.
Answer:
6 trips
Step-by-step explanation:
40/5 = 8km per trip. 48/8 = 6 trips
Answer:
=21+11x
Step-by-step explanation:
