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
Contact [7]
3 years ago
6

If a geometric sequence has a2 = 495 and a6 = 311, approximate the value of the common ratio ???? to four decimal

Mathematics
1 answer:
shtirl [24]3 years ago
7 0

Answer:

r = 0.8903

Step-by-step explanation:

given,

a₂ = 495

a₆ = 311

geometric  sequence formula

                       a_n = ar^{n-1}

                       a_2 = ar^{2-1}

                       a_2 = ar...................(1)

                       a_6 = ar^{6-1}

                       a_6 = ar^5................(2)

dividing equation (2) by (1)

                     \dfrac{a_6}{a_2} = \dfrac{ar^5}{ar}

                     \dfrac{311}{495} = r^4

                     r^4 = 0.628

                     r = 0.8903

hence, the common ratio of the geometric sequence is r = 0.8903

You might be interested in
88.83 is what percent of 21
Serjik [45]

88.83 / 21  =  4.23

4.23  is the same number as  423% .

8.23  is  <em>423%</em>  of  21.
6 0
3 years ago
Read 2 more answers
Cosa/2-tana +sina/1-cota=cosa+sina​
Inessa05 [86]

Answer:

Cosa/2-tana+sina

Step-by-step explanation:

Cosatana

7 0
1 year ago
Two members of the Math Competition Team solve 13 problems in 1 hour. Assume all team members solve problems at the same rate. H
mylen [45]

14 because 2 people=13 problems in an hour

91/13=7

7times 2 is 14

14 IS YOUR ANSER PLS MARK ME BRAINLIEST :D

4 0
3 years ago
Tess needs to buy sand for her children’s playground. The sand costs $8 per ton, and there is a delivery cost of $50 with each o
Butoxors [25]

Answer:

All positive rational numbers greater than 50

Step-by-step explanation:

Since the delivery cost is fixed per trip, the cost incurred can be represented by the equation

y(x)=8x+50 so in case Tess wants only 1 tone, the cost will be y(x)=8(1)+50=58

Therefore, it's proper to conclude that all numbers in the possible range are positive rational numbers greater than 50

6 0
3 years ago
Guys please help me !! ASAP !
jenyasd209 [6]
1. vertical
2. alternate interior
3. corresponding
4.corresponding
5. adjacent
4 0
3 years ago
Read 2 more answers
Other questions:
  • Solve 4 over x minus 4 equals the quantity of x over x minus 4, minus four thirds for x and determine if the solution is extrane
    13·1 answer
  • What is the surface area of the cube​
    14·2 answers
  • If the probability of p(m and n) =0.2 p(m)=0.4 and m and independent events, what is p(n)?
    6·1 answer
  • <img src="https://tex.z-dn.net/?f=%20log_%7B3%7D%28%20%7Bx%7D%5E%7B2%7D%20%20-%20x%20-%202%29%20%3D%202%20log_%7B3%7D%28x%20%2B%
    13·1 answer
  • Somebody please help me
    14·1 answer
  • Use the fact that the trigonometric functions are periodic to find the exact value of the expression.. . sin405 degrees. . tan40
    5·1 answer
  • Given that (4,-7 is on the graph of f(x), find the corresponding point for the function f(x)+4
    5·1 answer
  • The bridges family drove 264 miles in 4 hours
    14·2 answers
  • si en la caja solo cabe media docena de platos, ¿ cuantas cajas serían necesarias para empacar la cantidad inicial de platos ?​
    10·1 answer
  • Construct a rhombus with a 15 degree angle and sides equal to r.​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!