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GuDViN [60]
3 years ago
13

How do I write a recursive formula for this sequence? 2, 6, 18, 54, 162, ... I already know the common difference is x3.

Mathematics
1 answer:
dmitriy555 [2]3 years ago
4 0
For the sequence 2, 6, 18, 54, ..., the explicit formula is: an = a1 ! rn"1 = 2 ! 3n"1 , and the recursive formula is: a1 = 2, an+1 = an ! 3 . In each case, successively replacing n by 1, 2, 3, ... will yield the terms of the sequence. See the examples below.
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HELP AS SOON AS YOU CAN PLEASE ILL GIVE BRAINLIEST WHEN I CAN ​
Anni [7]

Answer:

SAS

Step-by-step explanation:

In triangle ABC and triangle EFD

1. BC = CD (S) Given

2. < BCD = < EFD (A) being vertically opposite. angles.

3. AC = CE (S) Given

Hence

By SAS postulate Triangle ABC and triangle EFD are congruent.

HOPE IT HELPS :)❤

8 0
3 years ago
Simplify 45 - 8 + 12 - (-25)
Mrac [35]

Answer:

74

Step-by-step explanation:

BODMAS

12-(-25)

=12+25=37

45-8+37

45-8=37

37+37=74

=74

4 0
3 years ago
Read 2 more answers
2.8x = -9.24 <br>A. 12.04<br>B. -0.3030<br>C. 12.04<br>D. -3.3​
Hunter-Best [27]

Answer:

D. -3.3

Step-by-step explanation:

=> 2.8x = -9.24

=> x = -9.24/2.8

=> x = -3.3

5 0
3 years ago
Read 2 more answers
David earns $8 per hour he works 40 hours each week how much does he earn in 6 weeks
dem82 [27]

Answer:

$1920

Step-by-step explanation:

First, find out how much he earns in one week-so $8 times 40 = 320. Then multiply 320 by 6 to get how much earns in 6 weeks which is $1920.

(hope this helps :P)

5 0
3 years ago
Read 2 more answers
What is the slope (2,6) (-1, -5)
egoroff_w [7]
answer is 11/3.

HOPE THIS HELPS
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8 0
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