gonzalez113bi gonzalez113bi

04-06-2020
Mathematics

contestada

The second term of a geometric sequence is 17.5 and the third term is 122.5. What is the common ratio? What is the first term?

Respuesta :

Stephen46 Stephen46

09-06-2020

Step-by-step explanation:

U2=ar

U2=17.5

U3=ar^2

U3=122.5

U3/U2=122.5/17.5

ar^2/ar=7

r=7

17.5=ar

17.5=7a

a=2.5

Answer Link

Otras preguntas

Dr. mason studies the effects of exposure to marijuana on fetal development. dr. mason's field is

How many grams of h2 are needed to produce 10.78 g of nh3?

If you dissolve 50g of sugar in 30g of water (is it possible!) what would be the sugar concentration?

Find, to the nearest degree, the minimum angle between u(x) andv(x) mathmatica

Write an inequality to describe the number of students in each homeroom: there is limit of 30 students for each homeroom.

D.v. is a 38-year-old woman diagnosed with a ruptured appendix. she developed peritonitis and was discharged 9 days later with a left peripherally inserted cent

Sophia was exhausted and angry, she hadn't slept well for a week now. Is this a run on? or a comma splice? or correct?

Any group within or outside the organization that has an interest in the organization's performance is called

Simplify (20^13)^19 A. 400^32 B. 20^32 C. 20^247 D. 400^247

Read the persuasive excerpt. Peak’s Point promises not only the most ____ rides in town, but also the best bargain for your wallet. Come on down and ride the n