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

If 9, x , 19 is an arithmetic sequence, what is x?

OpenStudy (binary3i):

if A, B, C. are in arithmetic sequence then \[B=(A+C)/2\]

OpenStudy (anonymous):

find the arithmetic mean. follow binary3i

OpenStudy (anonymous):

Thankyousomuch! :)

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!
Latest Questions
ChrisTheFlash: I NEED HELP PLEASE!!!!!
27 minutes ago 1 Reply 0 Medals
ChrisTheFlash: I NEED HELP!
29 minutes ago 0 Replies 0 Medals
ChrisTheFlash: I need help with biology
43 minutes ago 1 Reply 0 Medals
bribrithickthick2: i need help
1 hour ago 13 Replies 0 Medals
nettym: ss below can someone help plzz, due in less than 10 minutes.
1 hour ago 4 Replies 0 Medals
Yourlocaloldman: Can u cure cancer
1 hour ago 15 Replies 1 Medal
nettym: can i get help w/ math please ss below
2 hours ago 11 Replies 2 Medals
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!