1 to 5 you most likely have to add 36 x the number but the fractions I don't know
Answer:
n² - 2n + 2
Step-by-step explanation:
The difference in the pattern are odd numbers.
2 - 1 = 1
5 - 2 = 3
10 - 5 = 5
17 - 10 = 7
So there is a -2n in the nth term.
If we subtract 1 on each term.
0, 1, 4, 9, 16
We get whole squares.
So there is a n² in the nth term.
(1)² - 2(1)+ c = 1
1 - 2 + c = 1
-1 + c = 1
c = 2
The nth term is:
n²-2n+2
Distance ÷ Speed = Time
81 miles ÷ 60.4 miles per hour= 1.34 hours
1.34 hours ≈ 1 hour 20 min
The answer is A, because 7.5 times 400 is 3000 so you need at least 400 boxes.
[ Answer ]
[ Explanation ]
- Simplify:
------------------------------------------
- Apply Perfect Square Formula (
= 
+ 2ab + 
) a = 5x, b = 2
+ 2 · 5x · 2 + 
: 
+ 20x + 4
+ 20x + 4
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