Answer:
Step-by-step explanation:
a1 = - 7
d = 4
an = a1 + (n - 1) * d
an = - 7 + (n - 1) * 4
an = - 7 + 4n - 4
an = -11 + 4n
Try this out. Let n = 3
a3 = -11 + 4*3
a3 = - 11 + 12
a3 = 1 Which is what the series says.
In your question where as the amount of gasoline that 80 drivers bought to fill their cars gas tanks is shown in your diagram and the problem as to find how many drivers bought more than 12 gallons and the best answer would be 36. I hope you are satistfied with my answer and if you need some clarification, please feel free to ask for more
.78 cents for one quart <--- Answer
First you need to find how much is it per gallon
$37.20/12= $3.10
Now we need to find out how many quarts are in a gallon. Which is 4 quarts per 1 gallon
Now that we know this you need to divide the chost of one gallon by 4(# of quarts in one gallon)
$3.10/4= .78 cents
Answer:
7
Step-by-step explanation:
Substitute in numbers : 2(5)+3(6) /4
Combine Like Terms : 10+18/4 = 28/4
Answer : 7
Am thinking you need to dilate the shape by multiplying by 2 and draw your new image!!
