Ask
your own question, for FREE!
Mathematics
13 Online
Here is an interesting sequence: 11, 21, 49, 107, 207, 361, X, Y, Z, ..... Can anyone show me what the values of X, Y, & Z are? In addition, can you calculate the 100th number in this sequence? Thanks for your help.
Still Need Help?
Join the QuestionCove community and study together with friends!
\[2n ^{3}-3n ^{2}+5n+7\] When n=7, X = 581 When n=8, Y = 879 When n=9, Z = 1267 When n=100, \[N _{100}\] = 1970507
Thanks so much for your help! I really appreciate this.
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!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
Countless7Echos:
Ah trying out the whole T.V girl drawing :p (I love drawing eyes)
SnowyBreaks:
You ever get the types of dreams where it feels as if you aren't breathing? And w
laylasnii13:
Poem/diary i wrote I Want Out Iu2019m so tired of screaming into walls. Every fight with my mom leaves something broken and itu2019s not just plates or slam
Countless7Echos:
Aye.. I need actually some help on the shading here.. if the light is from above too I just feel something is off.
2 hours ago
7 Replies
5 Medals
14 hours ago
6 Replies
0 Medals
1 day ago
13 Replies
3 Medals
3 days ago
19 Replies
3 Medals