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
Rom4ik [11]
2 years ago
6

20,10,5, ... Find the 9th term.

Mathematics
1 answer:
iren [92.7K]2 years ago
6 0

Answer:

0.078125.

Step-by-step explanation:

This is a geometric sequence with first term a1 = 20 and common ratio r = 10/20 = 5/10 = 0.5.

nth term = a1 r^(n -1) so here:

9th term = 20(0.5)^(9-1)

= 20(0.5)^8

= 0.078125.

You might be interested in
Solve the proportion 15t5=2t 36.
olchik [2.2K]
If you can give me more info, I can solve this for you, please write out the complete problem.
6 0
2 years ago
Exponential equation<br><br> 27x+4=9x
Elza [17]

Answer:

answer is 45 trust me im passing this concept

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
May someone help me on this please
harkovskaia [24]
I did the math and it said it was 60$

my mother has a degree in math and was top in her class

I asked her how to do it and she showed me how to, and I got 60$

sorry if its wrong
4 0
3 years ago
Find the 8th term for the series 2, 8, 32, 128, … <br> A. 8192<br> B. 16384<br> C. 6784<br> D. 32768
GenaCL600 [577]

Answer:32,768

2*4=8*4=32*4=128

So we have to multiply by 4

128*4=512 5th term

512*4=2048 6th term

2048*4=8192 7th term

8192*4=32768 last term

7 0
3 years ago
A recipe called for 2/9 cup of chopped tomatoes and 4/7 cup of diced tomatoes. In total how many cups of tomatoes did the recipe
kolbaska11 [484]
50/63

You add them

.....
........


4 0
3 years ago
Read 2 more answers
Other questions:
  • If k1/2 = integer and k1/4 = integer, which is a possible value for k?
    12·1 answer
  • 7 qt. 2c. =______ c.
    7·1 answer
  • Solving one step equations
    13·2 answers
  • In triangle ABC , m angle A=2x+4 and m angle B=6x-58 The exterior angle at C is represented by 5x. Find the value of x
    6·1 answer
  • HELPPP PLEASE
    6·1 answer
  • <img src="https://tex.z-dn.net/?f=4%5E%7B3%2F4%7D%20%2A%202%5E%7Bx%7D%20%3D16%5E%7B2%2F5%7D" id="TexFormula1" title="4^{3/4} * 2
    9·2 answers
  • A location; the place where two lines cross or intersect
    10·1 answer
  • Seth makes an array with 6 rows and 9 columns. Miri makes an array of 9 rows and 6 columns.
    15·1 answer
  • Sharon needs 64 credits to graduate from her community college. So far she has earnedc56 credits. What percent of the required c
    5·1 answer
  • 3. Choose the best statistical question about lizards. O How many lizards do you have in your backyard? О What are the lengths o
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!