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

A slice through the human body that parallels the long axis and extends from front to back, dividing the body in to left and right halves,is called the ?

The Continental Congress hotly debated all these issues EXCEPT (A) representation (B) taxation (C) supreme power (D) western lands

what role did the freedmen's bureau play in reconstruction?

why are some organisms that consist of thousands of cells considered to be protists

if you push very hard on an object but it does not move, have you done work

Which is not determined by the type and arrangement of atoms in a mineral? A. thermal properties B. magnetic properties C. electrical properties D. its position

Which sentence uses correct punctuation? A-Dr. Anderson asked, “When is the awards ceremony going to begin”? B-Dr. Anderson asked “When is the awards ceremony g

what was the closest source of marble to rome

On January 1st, Jerome concocts a rumor and tells Beth. On January 2nd, they each tell a new person. By the end of January 2nd, four people have heard the rumor

Which biomes are typically found in the temperate zone? temperate forest, temperate grassland, chaparral temperate grassland, temperate desert, tropical rain fo