Question

Please answer asap!!! i need help w these
2. A display window consists of a stacked pyramid of books for sale. The bottom row has 57
books. Each row has three fewer books than the row below it. The display has 13 rows.
a.) Write the formula you learned in this unit needed to determine how many books are in
the top row of the display. (2 pts)
b.) What is the common difference of the sequence? d =
Show how you found this value. (1 pt)
c.) Use the formula you listed in step (a) to determine how many books are in the top row
of the display. Show all steps needed to solve and provide the final answer. (2 pts)
YTYY
d.) Write the formula leared in this unit needed to determine the number of books in the
entire display. (1 pt)
a.) What is the value of n? (1 pt)
(1 pt)
b.) Use the formula you listed in step (d) to determine the total number of books. Show all
steps needed to solve and provide the final answer. (2 pts)

Answer 1

The common difference on the sequence is -3 and the number of books will be 21.

How to illustrate the sequence?

The formula that can be used to calculate the number of books will be:

= a + (n - 1)d

= 57 + (13 - 1)-

= 57 + (12 × -3)

= 57 - 36

= 21

Also, from the information given, each row has three fewer books than the row below it. Therefore, the common difference is -3.

Learn more about sequence on:

https://brainly.com/question/1275192

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