Ask
your own question, for FREE!
Mathematics
21 Online
OpenStudy (anonymous):
the average of X,Y, and Z is 80. if two of the numbers are 74 and 78, then what is the other number?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
to find the average you add all the numbers together and divide by the total of numbers so the equation you'd use for this is (74+78+X)/3=80 so to solve multiply by 3 then subtract 78 and 74 giving the answer of 88
OpenStudy (anonymous):
thank u
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
biggestbeefsteak:
im confused on how to answer sin (3x) = 1/2 , i know how to answer it but how am
addison123456:
He finally came over and I finally found love.... When you lay your head on my chest, The world fades, and I feel at rest.
youngbloodyn:
how to start singing when ur scared to sing in front of ppl can y'all give me some tips of getting over tht fear.
gelphielvr:
does anyone have any tips for getting better at balancing electrons?
gelphielvr:
What are some adjectives that start with the letters "W, L, I" (repost since it g
XxXGhostXxX:
Why does our smart score go down if we offline for awhile?
75:
Why is there a delete button for messages on qc but it doesnt delete?
biggestbeefsteak:
im confused on how to answer sin (3x) = 1/2 , i know how to answer it but how am
1 day ago
5 Replies
1 Medal
addison123456:
He finally came over and I finally found love.... When you lay your head on my chest, The world fades, and I feel at rest.
15 hours ago
5 Replies
2 Medals
youngbloodyn:
how to start singing when ur scared to sing in front of ppl can y'all give me some tips of getting over tht fear.
1 day ago
11 Replies
1 Medal
gelphielvr:
does anyone have any tips for getting better at balancing electrons?
3 days ago
6 Replies
1 Medal
gelphielvr:
What are some adjectives that start with the letters "W, L, I" (repost since it g
4 days ago
4 Replies
1 Medal
XxXGhostXxX:
Why does our smart score go down if we offline for awhile?
5 days ago
2 Replies
0 Medals
75:
Why is there a delete button for messages on qc but it doesnt delete?
5 days ago
5 Replies
1 Medal