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

Which element of this web page best supports an ethical appeal? the sentence “Disasters affect everyone.” the imperative statement “Be a hero!” the image of the

Which of the following is NOT true about poetry? A. Poetry often contains imagery -- language that appeals to the five senses. B. Poetry brings out the music of

mulitiply both sides of this equation by r and use the fact that r2=x2+y2 to rewrite this equation in terms of x and y r=-6sin theta

Read this passage from chapter 5 of The Prince. There are, for example, the Spartans and the Romans. The Spartans held Athens and Thebes, establishing there an

simplify the equation ( 3(3) × 3 (4) ) ÷ 3 (2)

Ruth considers aborting her unborn child because she is... Select one: a. tired of having kids. b. planning to leave Walter anyway. c. willing to give up her un

Former co-stars ron perlman and allison dunbar just wed in italy. What show did they meet on?.

. Suppose you are given a privilege to choose between Capitalism and Socialism as an economic system to be followed in Ethiopia. Which do you choose? Support yo

In 1950, zenith introduced the first tv remote control. What was it called? couch potato.

Domain of y=5x+2 help!!!!