Ask your own question, for FREE!
Mathematics 20 Online
OpenStudy (anonymous):

last question.

OpenStudy (anonymous):

OpenStudy (anonymous):

also is this correct?

jimthompson5910 (jim_thompson5910):

which option did you mark on the first one?

OpenStudy (anonymous):

C

jimthompson5910 (jim_thompson5910):

solve the equation -3r = -18 to get the common ratio r

jimthompson5910 (jim_thompson5910):

you can also solve (-1/12)r = -1/2 or (-1/2)r = -3

OpenStudy (anonymous):

36

OpenStudy (anonymous):

oops hold on

OpenStudy (anonymous):

6

jimthompson5910 (jim_thompson5910):

yes

jimthompson5910 (jim_thompson5910):

r = 6

OpenStudy (anonymous):

how about the second one?

jimthompson5910 (jim_thompson5910):

you're on the right track, but the \(\Large a_{n}\) and \(\Large a_{n+1}\) is wrong

jimthompson5910 (jim_thompson5910):

each term is defined in terms of the previous term, not the term after it

OpenStudy (anonymous):

so would it be d perhaps?

jimthompson5910 (jim_thompson5910):

yes

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!