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Gnom [1K]
3 years ago
13

What are the first three terms of the sequence defined by the following equation?

Mathematics
2 answers:
natali 33 [55]3 years ago
6 0

Answer:

B: 41, 45,51

Step-by-step explanation:

an=41 +(n-1)5

  • an: nth term
  • 41: first term in the sequence
  • (n-1): position of term in the sequence, minus 1
  • 5: common difference

To find 1st term plug in 1 for n,

an=41+(1-1)5 ->41

For 2nd term

an=41+(2-1)5 ->46

3rd Term

an=41+(3-1)5 -> 51

Hope this helps.


Tju [1.3M]3 years ago
4 0

Answer:

B.

Step-by-step explanation:


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What is the recursive formula for this arithmetic sequence 6, -24, 96, -384
Artemon [7]

Answer:

Option A. a_{1} =6  a_{n}= a_{n-1}(-4)

Step-by-step explanation:

The given sequence in the question is 6,-24,96,-384.......n

and we have to give the recursive formula for this arithmetic sequence.

We can re write the sequence to make it more simpler

6,6(-4),(-24)(-4),(96)(-4).......n terms

Now we can say a_{1} = 6

and a_{n}= a_{n-1}(-4)

Therefore the recursive formula of the sequence is a_{1} = 6

a_{n}= a_{n-1}(-4)

7 0
3 years ago
-4/9 + (-1/3) ? Helppppp
Alex

Answer:

- 7/9

Step-by-step explanation:

-4/9 + (-1/3)

= -(4/9) - (1/3)

= - (4/9 + 1/3)

= - (4/9 + 3/9)

= - [(4 + 3) / 9 ]

= - 7/9

5 0
3 years ago
Anyone ...Pls solve
expeople1 [14]
Given:
- Bought n items of product A at 1/5 rs each
- bought n items of product B at 1/4 rs each
He mixed the two items and sold each at 2/9 rs each.
He lost 3 rs in the above batch of articles.

Solution:
revenue = 2n* (2/9) rs = 4n/9 rs
cost = n/5+n/4 rs = n(1/5+1/4)
Profit = revenue-cost = 4n/9-n(1/5+1/4) = -3 rs

Solve for n
4n/9-n(1/5+1/4) = -3 
factor out n
n(4/9-1/5-1/4)=-3
n(80-36-45)/180=-3
-n/180=-3
n=3*180=540

Total number of products bought
= n+n = 540+540 = 1080
6 0
3 years ago
If you help me I’ll mark brainliest
Dafna11 [192]

Answer:

1= 2x+74

or,

or,

or

now,

1+3= being straight angle

5 0
3 years ago
Which of the following numbers doesn't belong? Why?​
algol [13]

Answer:

36 most likely

Step-by-step explanation:

4, 8, 16, 32, 64 is a pattern. You multiply by 2 to get the next term. I would think 36 doesn't belong for this reason.

8 0
3 years ago
Read 2 more answers
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