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Gwar [14]
3 years ago
6

What's the recursive rule for the arithmetic sequence described in the following list? Use the rule to find the eighth term of t

he sequence.
5, 9, 13, 17, 21
Mathematics
2 answers:
Simora [160]3 years ago
5 0

Answer:

33

Step-by-step explanation:

T8 = A + (8 - 1) d

T8 = 5 + 7d

T8 = 5 + 7(4)

T8 = 5 + 28

T8 = 33

note : d is the common difference gotten from T2 - T1

jolli1 [7]3 years ago
5 0

Answer:

33

Step by step explanation:

Eight term of the sequence = a + 7d

where:

a= first term

d= common difference

first term = 5

common difference = 4

= 5 + 7(4)

= 5 + 28

= 33

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(9,5) and (4,-7) find the distance between two points
Pani-rosa [81]

Answer:

13 units

Step-by-step explanation:

Use the distance formula, d = \sqrt{(x2 - x1)^2 + (y2 - y1)^2}, where (x2, y2) and (x1, y1) are two different points on the line.

Plug in the values:

d = \sqrt{(x2 - x1)^2 + (y2 - y1)^2}

d = \sqrt{(9 - 4)^2 + (5 + 7)^2}

d = \sqrt{5^2 + 12^2}

d = \sqrt{25 + 144}

d = \sqrt{169}

d = 13

6 0
4 years ago
I need help what the value of x and adjacent or vertical?<br>​
GarryVolchara [31]

Answer:

74 degrees

The angles are adjacent, since they have a common side (adjacent basically means right next to each other).

Step-by-step explanation:

180 - 106 = 74

Both angles are supplementary, since they add up to 180 (make a straight line together).

6 0
3 years ago
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aleksklad [387]
So what you do,is you add them together to get 13/10 but then you can also simplify it but you can keep the answer to 13/10
3 0
2 years ago
Read 2 more answers
Fiona read a total of 8 books over 2 months. If Fiona has read 12 books so far, how many months has she been with her book club?
kozerog [31]
To find the number of books she can read in one month, we do 8/2 to find that she can read 4 books per month.

Then we can do 12/4 to see how many months it took to read 12 books 
12/4=3 months

Hope this helps
4 0
3 years ago
2. Write an expression to represent f (20)
Furkat [3]

Answer:

I just learned this topic and have the same question, so I'm not sure if this right. However, I see a fellow student struggling and have to at least put in what I know. My equation was f(n) = 64(1/2)^n-1, then the question was write an expression to represent f(20).

Step-by-step explanation:

So, my answer was f(20) = 64(1/2)^19

f(20) is the number you plug into n. And because the exponent is n-1, I knew to subtract 1 from 20 to get 19.

Then I just wrote the equation out like the original expect with the numbers pluged in: f(20) = 64(1/2)^19

I hope this helps!

7 0
4 years ago
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