Ask
your own question, for FREE!
Mathematics
3 Online
OpenStudy (anonymous):
Arithmetic series: In a triangular pile of logs, the top row contains one log. each row below the top row contains one more log than the row above. if the bottom row contains 21 logs, how many logs are in the pile?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
1+2+3+...+20+21 = ?
OpenStudy (anonymous):
ohh..
OpenStudy (anonymous):
but I don't know the whole pile.
OpenStudy (anonymous):
I get it now. Thank you!
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
natalieee:
who else wants a job in biology? I love biomedical science and want to work with
avisshomes:
What should I look for before choosing a co-living space in Gurgaon?
Twaylor:
Time flies doesn't it? I tried to not be the second squeaky wheel of the household and ended up hurting myself and others severely.
clllaaaaaire:
any tips? the quality isn't the best because I am using this site on my computer
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
natalieee:
who else wants a job in biology? I love biomedical science and want to work with
1 hour ago
0 Replies
0 Medals
avisshomes:
What should I look for before choosing a co-living space in Gurgaon?
1 day ago
6 Replies
0 Medals
Twaylor:
Time flies doesn't it? I tried to not be the second squeaky wheel of the household and ended up hurting myself and others severely.
4 days ago
12 Replies
2 Medals
clllaaaaaire:
any tips? the quality isn't the best because I am using this site on my computer
2 weeks ago
2 Replies
0 Medals
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
3 weeks ago
2 Replies
1 Medal
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
2 weeks ago
6 Replies
2 Medals
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
3 weeks ago
6 Replies
1 Medal
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
3 weeks ago
3 Replies
0 Medals
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
4 weeks ago
0 Replies
0 Medals