anthonystupid anthonystupid

10-03-2021
Mathematics

contestada

can someone tell me the common ratio? math help pls

can someone tell me the common ratio math help pls class=

Respuesta :

nicholas6629 nicholas6629

10-03-2021

common ratio is equal to ar^n-1.

a=-1/2, r=?

T2=-1=ar^n-1

n=2

-1/2*r ^2-1=-1

r=1

Answer Link

Otras preguntas

The least common denominator of two fractions is 28. If you subtract the two denominators, their difference is 10. What are the denominators?

This is the world's most populated urban center A)Tokyo B)Shanghai C)Hong Kong D)Seoul

Increase £30 by 15% what is the annswer

What was a woman's life like in the 1909 and 1927??

Staples has a calculator that is regularly priced $20 and is now on sale for 40% off. Brain has a coupon for 10% off anything in the store. What is the sale pri

Describe the structure of a female cone in a plant.

Abby, Brenda, and Charda are all golfers. Abby had 4 more strokes than the average of the three players. The sum of Abby and Brenda's score would be 8 fewer str

why was samuel adams known as the firebrand of the revolution

how can I prove using laws of exponent that 16^2 and 2^8 are equal to each other?????????

Which best describes the role of viceroys in Spain's American empire? A. Viceroys watched over the king's lands, increased his wealth, and carried out his wil