caitlinlynch68 caitlinlynch68

21-06-2017
Mathematics

contestada

What sequence is geometric and has 1/4 as it's fifth term and 1/2 as the common ratio?

Respuesta :

mathmate mathmate

24-06-2017

Use
a(i)=a1*r^(i-1)
we know that a(5)=a1*(1/2)^(5-1)=a1/16 = 1/4
solve for a1=(1/4)*16=4
=>
sequence:
4,2,1,1/2,1/4,1/8,1/16,...

Answer Link

Otras preguntas

The heating of the lower layer of the atmosphere from radiation absorbed by certain heat absorbing gases is called?

What image does the allusion in this line from the passage evoke? He was brought then gradually back to his old ideas. Greeklike struggles would be no more. Men

An open-minded scientist does all of the following except A. think creatively to design experiments. B. accept new ideas that he or she doesn't agree with. C. a

The term virtuous is best used to describe a leader who __________. a. shows support for others b. exhibits moral excellence c. expresses the facts to follow

1. why was it bad to be a serf? 2. what did most people in the middle ages not know how to do? 3. what faith were almost all of the people during the middle age

I'm working on a project about smoking any thing anyone knows will help

4:3 and 25:45 are equal ratios. True or false ?

Marty buys 12 ounces of granola. What fraction of a pound of granola did Marty buy

how do I do this? 4/5x>14

This figure has _______ square bases and _______ triangular faces. Height is 2 inches Sides are 4 inches