Ask
your own question, for FREE!
Mathematics
12 Online
OpenStudy (anonymous):
The average (arithmetic mean) of 5,10,15 and x is 20..What is the x ? How do I solve this question?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (littlebird):
\[\frac{ 5+10+15 +x}{ 4 }\]=20
OpenStudy (littlebird):
\[\frac{ 30+x }{ 4 }=20\]
OpenStudy (littlebird):
30+x=80
OpenStudy (littlebird):
X=50
OpenStudy (littlebird):
Another way you could have done it....
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (littlebird):
20x4=80
OpenStudy (littlebird):
80-15-10-5=50
OpenStudy (anonymous):
Got it! Thanks.
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
heartlessprophet:
How do i get paid from work when im in job court ?
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
DoltonCarlee:
So like do y'all know anything about the first world war?
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
heartlessprophet:
How do i get paid from work when im in job court ?
20 hours ago
0 Replies
0 Medals
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
29 minutes ago
9 Replies
1 Medal
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
1 day ago
6 Replies
1 Medal
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
2 days ago
0 Replies
0 Medals
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
2 days ago
2 Replies
1 Medal
DoltonCarlee:
So like do y'all know anything about the first world war?
1 day ago
2 Replies
0 Medals
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
2 days ago
5 Replies
2 Medals
