Ask
your own question, for FREE!
Mathematics
OpenStudy (anonymous):
Rationalize the denominator of 4 / 5 + sqrt 2
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
i believe you must rationalize by multiplying the demon. by its conjugate. in this case 5-sqrt2. so now we have: 4(5-sqrt2)/(5+sqrt2)(5-sqrt2) which gives ( 20-4sqrt2)/25+0-2 so the final answer is (20-4sqrt2)/23
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
bloodywolf10101:
Use the diagram below to answer the questions. Line q contains points J, K, and M.
Xxpr0d1gyxX09:
Why would a butterfly fly away from a hiker? What is the advantage to this behavi
Xxpr0d1gyxX09:
Why would a butterfly fly away from a hiker? What is the advantage to this behavi
NineTailedFox:
there is a ball of uranium that sends off xrays when the shield around it is destroyed.
Dabi:
I've been writing music notes lately, and that kind of thing, but I forgot what a clef is.
Dabi:
Here is a poem I wrote: Please critique I need a fire that shines bright, deep in
cammicsh:
"Virginia Statute for Religious Freedom" That all attempts to influence it by temporal punishments or burthens, or by civil incapacitations tend only to beg
bloodywolf10101:
Use the diagram below to answer the questions. Line q contains points J, K, and M.
40 seconds ago
0 Replies
0 Medals
Xxpr0d1gyxX09:
Why would a butterfly fly away from a hiker? What is the advantage to this behavi
1 minute ago
19 Replies
5 Medals
Xxpr0d1gyxX09:
Why would a butterfly fly away from a hiker? What is the advantage to this behavi
16 minutes ago
1 Reply
0 Medals
NineTailedFox:
there is a ball of uranium that sends off xrays when the shield around it is destroyed.
24 minutes ago
6 Replies
1 Medal
Dabi:
I've been writing music notes lately, and that kind of thing, but I forgot what a clef is.
18 minutes ago
2 Replies
1 Medal
Dabi:
Here is a poem I wrote: Please critique I need a fire that shines bright, deep in
35 minutes ago
6 Replies
2 Medals
cammicsh:
"Virginia Statute for Religious Freedom" That all attempts to influence it by temporal punishments or burthens, or by civil incapacitations tend only to beg
25 minutes ago
4 Replies
0 Medals