Algebra
11 Online
OpenStudy (kaley246):
i need help
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OpenStudy (ilovecake):
ok
OpenStudy (kaley246):
Simplify:\[4\sqrt{5}-6\sqrt{3}+8\sqrt{5}\]
OpenStudy (ilovecake):
oh man I am terrible at this kind of math. @SolomonZelman
OpenStudy (kaley246):
\[A. -2\sqrt{5}+8\sqrt{3}\]
\[B. 12\sqrt{5}-6\sqrt{3}\]
\[C. 6\sqrt{15}\]
\[D. 6\sqrt{7}\]
OpenStudy (ilovecake):
Maybe iGreen can help
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OpenStudy (ilovecake):
@iGreen
OpenStudy (kaley246):
@iGreen can u help me with this question
OpenStudy (igreen):
Just combine the like square roots
OpenStudy (igreen):
\(4 \sqrt 5 + 8 \sqrt 5 \rightarrow 4 + 8 \sqrt 5\)
OpenStudy (kaley246):
can u do the work and then i can do it so that i can see what u got
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OpenStudy (kaley246):
i got for the first one i got 19.13
OpenStudy (kaley246):
what did u get
OpenStudy (kaley246):
@iGreen help
OpenStudy (ilovecake):
He went offline..
OpenStudy (kaley246):
@SolomonZelman
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OpenStudy (kaley246):
@khalilforthewin
OpenStudy (kaley246):
@helper2222
OpenStudy (khalilforthewin):
i got it
OpenStudy (kaley246):
what is it then
OpenStudy (khalilforthewin):
C
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OpenStudy (kaley246):
are u sure
OpenStudy (khalilforthewin):
for the first question right
OpenStudy (kaley246):
c \[C 6\sqrt{15}\]
OpenStudy (khalilforthewin):
yea
OpenStudy (kaley246):
thats the answer
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OpenStudy (anonymous):
it is c
OpenStudy (khalilforthewin):
yes
OpenStudy (anonymous):
good job @khalilforthewin
OpenStudy (khalilforthewin):
give me a medal and fan me
OpenStudy (kaley246):
find the sum of \[3\sqrt{5} and 2\sqrt{20}\]
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OpenStudy (khalilforthewin):
thanks
OpenStudy (anonymous):
welcome
OpenStudy (kaley246):
\[A. 7\sqrt{5}\]
OpenStudy (khalilforthewin):
that was the answer?
OpenStudy (kaley246):
\[B 30\sqrt{2}\]
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OpenStudy (kaley246):
\[C 3\sqrt{5}+10\sqrt{2}\]
OpenStudy (kaley246):
\[60\]
OpenStudy (kaley246):
which one is the answer to the next question that i put up there
OpenStudy (khalilforthewin):
make a different question
OpenStudy (kaley246):
why you dont get that one
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OpenStudy (khalilforthewin):
no you can only give one medal per question
OpenStudy (khalilforthewin):
so make a new one so i can get more medals
OpenStudy (kaley246):
find the difference\[9\sqrt{7} and \sqrt{28}\]
OpenStudy (anonymous):
@mathmath333
OpenStudy (khalilforthewin):
make another one
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OpenStudy (kaley246):
\[A. 7\sqrt{7}\]
OpenStudy (anonymous):
sorry im not good with these questions
OpenStudy (kaley246):
\[B. 11\sqrt{7}\]
OpenStudy (kaley246):
@mathmath333
OpenStudy (anonymous):
i took my medal back you are being rude
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OpenStudy (khalilforthewin):
wow
OpenStudy (mathmath333):
hint \(\sqrt{28}=\sqrt{4\times 7}=2\sqrt7\)
OpenStudy (anonymous):
thank you @mathmath333
OpenStudy (khalilforthewin):
ok i thought the rules were only one question per chat
OpenStudy (anonymous):
no
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OpenStudy (khalilforthewin):
well im sorry
OpenStudy (anonymous):
it is only dont give out answers and be nice ect