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

(9x+5)-(6x-8) please help.

What was the cultural energy of the Roman empire?

please i ned help i beg

Please help me solve this.

When Jason was growing up, he was very active and athletic. What activity would he most likely have done? (1 point) a Coloreaba libros. b Jugaba con osos de p

Find the solution to - 4(x-2) + 5 < 9 plss help me

Which of the following is an organ in the respiratory system? A. Pancreas B. Hypothalamus C. Thyroid D. Larynx

first one : He erected more monuments and statues—and sired more children—than any other pharaoh. Second box : Hatshepsut extended Egyptian trade and oversaw am

Write an expression that is equivalent to 3(7+).

you have Php 10.00 saving from your allowance.