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Zinaida [17]
2 years ago
15

Write down the first five terms of a sequence where the nth term is given by n2 – 5

Mathematics
1 answer:
zhuklara [117]2 years ago
6 0
-3 , -1 , 1 , 3 , 5
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A stack of logs has 32 logs on the bottom layer. Each subsequent layer has 6 fewer logs than the previous layer. If the top laye
Svetlanka [38]

Answer:  The total number of logs in the pile is 6.

Step-by-step explanation:  Given that a stack of logs has 32 logs on the bottom layer. Each subsequent layer has 6 fewer logs than the previous layer and the top layer has two​ logs.

We are to find the total number of logs in the pile.

Let n represents the total number of logs in the pile.

Since each subsequent layer has 6 fewer logs then the previous layer, so the number of logs in each layer will become an ARITHMETIC sequence with

first term, a = 32  and  common difference, d = -6.

We know that

the n-th term of an arithmetic sequence with first term a and common difference d is

a_n=a+(n-10)d.

Since there are n logs in the pile, so we get

a+(n-1)d=2\\\\\Rightarrow 32+(n-1)(-6)=2\\\\\Rightarrow 32-6n+6=2\\\\\Rightarrow 6n=36\\\\\Rightarrow n=6.

Thus, the total number of logs in the pile is 6.

6 0
2 years ago
What would be the slope of the line that passses through 4, 5 and 7, 6
Angelina_Jolie [31]
Use the formula:
y2-y1
———
x2-x1

So for this problem it would be:

6-5
——
7-4

= 1
—
3

Hope this helped, if it did I would appreciate it if you would consider giving me brainliest!
7 0
2 years ago
Which of the following functions has the greatest y-intercept?
Rina8888 [55]
(2, 8) because 8 is not negative

hope it helps,
xXbeautyXx
6 0
3 years ago
Read 2 more answers
Why does the shape of the distribution of the weights of russet potatoes tend to be symmetrical?
Sergio [31]

Answer:

Mean ≈ Median

6 0
3 years ago
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Bill manages a restaurant. He schedules most of his employees to work on saturdays and fridays at night. If 24 of the 40 employe
Julli [10]

Answer:

40%

Step-by-step explanation:

40-24=16

16/40 ×100 =40%

8 0
3 years ago
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