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
lilavasa [31]
2 years ago
5

The 3rd term in a geometric sequence is 40. The 5th term is 10. What are the possible values of the 4th term?

Mathematics
1 answer:
marishachu [46]2 years ago
5 0
To answer, we let x be the 4th term. We use the concept of geometric mean in order to answer this question. The ratio of the fourth term and the third term is equal to the ratio of the fifth term and the fourth term. That is,
                                  x/40 = 10/x
The values of x from the equation are 20 and -20. 
You might be interested in
The side length of a square ice cube is claimed to be 1.0 inches, correct to within 0.001 inch. Use linear approximation to esti
Olenka [21]

Answer:

0.012

Step-by-step explanation:

Linear approximation says that,

f(x) \approx f(x_o)+f'(x_o)(x-x_o)

For a cube the surface area is 6x^2.

So the side is 1.0 inch in, the surface area is =6\times1^2 = 6 square inches.  

In Linear approximation means you ignore the term x_o^2 , if x_o is a small number, because then x_o^2 will be a very smalle number and that does not contribute much to the error.  

So the surface area is approximately,

6x^2=6x_o^2+12x_o(x-x_o)

So here, x=1.001, x_o=0.001

The error in the area is approximately,

12 \times 0.001=0.012

So the error is 0.012.


3 0
2 years ago
1 point
kap26 [50]
Each side of the board would have to be at least 36
7 0
2 years ago
What is a denominator?
DanielleElmas [232]
<span>denominator is </span>number below the line in a common fraction.

Here's picture to show what is a denominator:


6 0
3 years ago
Last time i asked i was told yes but i ment to say is this true of false
Jet001 [13]
True should be the answer
6 0
2 years ago
Read 2 more answers
A group of students were surveyed to find out if they like building snowmen or skiing as a winter activity. The results of the s
skelet666 [1.2K]
The answer for part a would be 130

the answer for part b would be 60
8 0
3 years ago
Other questions:
  • In each of these situations light refracts, except for one. Identify the case in which light is NOT refracted.
    5·2 answers
  • The sum of three positive consecutive integers is 66. what are the three integers​
    9·1 answer
  • 1) Which equation has a slope m=−38
    11·1 answer
  • If one latter is chosen at random from the word refuse, what is the probability that the letter chosen will be an "e"
    12·1 answer
  • 1/3 of 12 = 2/3 of ?
    6·2 answers
  • Find the experimental probability of getting the letter e when a letter is drawn at random from this text:
    13·1 answer
  • Directions: Read each problem, then solve for the missing part(s).
    10·1 answer
  • There are 100 centimeters (cm) in every meter (m).
    15·1 answer
  • Dkdslsnavlsnvkjnajksv1
    10·2 answers
  • For what values of x is the expression below defined?<br> √x+4÷√1-x
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!