1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Fiesta28 [93]
3 years ago
10

Complete the recursive formula of the geometric sequence -0.3, 0.9, -2.7, 8.1. ....

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
5 0

Answer:

(-1)ⁿ(3)ⁿ/10

Step-by-step explanation:

The first term a = 0.3, the second term, ar = 0.9. The common ratio r = ar/a = 0.9/-0.3 = -3.

From the general term of a geometric series,

U = arⁿ⁻¹

= (0.3)(-3)ⁿ⁻¹

= (3/10)(-3)ⁿ⁻¹

= (-1)ⁿ⁻¹(3)(3)ⁿ⁻¹/10

= (-1)ⁿ(3)ⁿ/10

You might be interested in
Using this formula, how many sides does a polygon have if the sum of the interior angles is 1,260°? Round to the nearest whole n
nikdorinn [45]

Answer:

9 Sides

Step-by-step explanation:

According to the Question,

  • Given That, The sum of the interior angles(s), in an n-sided polygon can be determined using the formula s=180(n−2), where n is the number of sides

Therefore, The sides do a polygon have if the sum of the interior angles is 1,260°.

Put The Values in Formula, we get

1260=180(n−2)

n-2 = 7

n=9 (9 Sides)  

6 0
3 years ago
Please help I’m in class
damaskus [11]
The answer is C hope this can help
7 0
3 years ago
Solve |4 - 2x| = |3x+ 2|.
andreyandreev [35.5K]

Answer:

Step-by-step explanation:4 -2x=3x +2

4-2=3x+2x

2=5x

X=2/5

5 0
3 years ago
Read 2 more answers
Simplify the square root of -18
Levart [38]

The square root of -18 is 3i√ 2

Hope this helps


4 0
3 years ago
a rectangle has a hight to width ratio of 3:4.5 Give two examples of dimensions for rectangle that could be scaled versions of t
Free_Kalibri [48]

Answer:

vb n bf dgmhumrynwtfvt

Step-by-step explanation:

vb hgetyhrtewr34y4j4htredwed5g

8 0
3 years ago
Other questions:
  • 0.27 (repeating) into a fraction. Simplify if needed.
    5·2 answers
  • Reduce fraction 27/36 lowest term
    13·1 answer
  • (14 POINTSS+ BRAINLIESTT)<br><br> How are food and oxygen made during the process of photosynthesis?
    15·2 answers
  • A bag contains pennies, nickles, dimes, and quarters.There are 50 coins in all. Of the coins, 10% are pennies and 32% are dimes.
    14·1 answer
  • In a spreadsheet, you can use the function NORM.DIST(upper bound, μ, σ, TRUE) to find the area under a normal curve for values o
    14·1 answer
  • Find x for the problem
    6·1 answer
  • What's 100 times 100 {ik it I just wanted to post something} UwU
    15·2 answers
  • An envelope contain 40 shopping vounchers of which 25 voucher each have value of $50 and 15 vouchers each have a value of $100.
    9·2 answers
  • PLEASE HELP! ILL GIVE BRAINLIEST!I! I uploaded a picture below.
    10·1 answer
  • Find what w equals<br><br> 4(3w+5)−2w=70
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!