Keli is buying pajamas for her five closest friends. Using the graph shown below, how much money will it cost her if she decides
to buy a sixth pair of pajamas for herself?
Kelli's Gifts
80
70
60
50
Cost (dollars)
40
30
20-
10
6
0 1 2 3 4 5
Number of Pajamas
A $62.50
B
$75.00
с
$80.00
D
$150.00
Kelli's Gifts
80
70
60
50
Cost (dollars)
40
30
20-
10
6
0 1 2 3 4 5
Number of Pajamas
A $62.50
B
$75.00
с
$80.00
D
$150.00
1 answer:
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Answer:
- 0
Step-by-step explanation:
<u>For each odd i the term is:</u>
- (-1)
(5!*5/4!)
= -
<u>For each even i the term is:</u>
- (-1)
So the sum of the first 100 terms is zero