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

the medium that Leonardo Da Vinci used to design Mona Lisa's artwork

Carbohydrates that have calories, but are low in nutrients are called what

Factorise: (5x + 7y + 5 + 7xy)

Omar took out a $20,000 loan for 146 days and was charged simple interest. The total interest he paid on the loan was $488.

Abigail was delivered by emergency caesarean section at only 25 weeks gestation. She was taken to the neonatal intensive care unit (NICU) where she was fed intr

Which of the following best describes how farming was adopted? A' Farming was adopted unevenly. B' Farming was adopted completely. C' Farming was adopted linear

WHAT MASS OF A 7.00% HNO3 SOLUTION BY MASS CONTAINS 74 g OF HNO3?

what is the lcf of 4 and 5

Hi, could anyone help me asap please? Thank you

explain the phrase "Togetherness is strength"