Ask
your own question, for FREE!
Mathematics
50 Online
OpenStudy (anonymous):
What is the geometric mean of 3 and 21?
Still Need Help?
Join the QuestionCove community and study together with friends!
hero (hero):
Hint: Geometric mean of a and b: \(x^2 = ab\) In this case, a = 3, b = 21
hero (hero):
Solve for x
OpenStudy (anonymous):
So 3 squared 7?
hero (hero):
Yes \(x = 3 \sqrt{7} \)
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
MaxTon:
I was feeling a bit down so I turned to writing how I felt down and made something out of it.
theydontknowmelly:
What's a good healthy diet for someone who's starting to workout daily ??
janaeDehon:
Which of the following lines best summarizes the story? A. The story details an African vacation from a long time ago, in which Sage's adventures are descri
Subshilava:
I have an issue my mom bought me a 3d cat mold from tj maxx and everytime I fill
ShikuniShigana:
Alright so. I need some art ideas, or Drawing design ideas for this Character im doing, He's Kinda like based off Vita Carnis+Shefki Shin+Death Angel(From Q
gelphielvr:
hello :] I have to make a model for my biology class for either topic "evolution"
SnowyBreaks:
Question for the staff here, Could you possibly change my name. I'll dm the name
SsTDOGRednek:
Could someone read my essay and give me some criticism?
MaxTon:
I was feeling a bit down so I turned to writing how I felt down and made something out of it.
48 minutes ago
13 Replies
3 Medals
theydontknowmelly:
What's a good healthy diet for someone who's starting to workout daily ??
2 hours ago
31 Replies
9 Medals
janaeDehon:
Which of the following lines best summarizes the story? A. The story details an African vacation from a long time ago, in which Sage's adventures are descri
2 hours ago
5 Replies
3 Medals
Subshilava:
I have an issue my mom bought me a 3d cat mold from tj maxx and everytime I fill
5 hours ago
17 Replies
3 Medals
ShikuniShigana:
Alright so. I need some art ideas, or Drawing design ideas for this Character im doing, He's Kinda like based off Vita Carnis+Shefki Shin+Death Angel(From Q
1 hour ago
17 Replies
2 Medals
gelphielvr:
hello :] I have to make a model for my biology class for either topic "evolution"
1 day ago
15 Replies
2 Medals
SnowyBreaks:
Question for the staff here, Could you possibly change my name. I'll dm the name
1 day ago
2 Replies
0 Medals
SsTDOGRednek:
Could someone read my essay and give me some criticism?
22 hours ago
39 Replies
4 Medals