Mathematics
7 Online
OpenStudy (anonymous):
help
Which of the following could not be a value of x?
(Points : 2)
10
9
10.5
9.5
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OpenStudy (anonymous):
OpenStudy (callisto):
It's not nice of you to start a new question without finishing the previous one..
OpenStudy (anonymous):
@Callisto srry i cant take 4ever i need to finish asap
OpenStudy (callisto):
We are here to help you learn, not to give you the answer....
OpenStudy (anonymous):
i said sorry
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OpenStudy (anonymous):
and didnt ask for an answer
OpenStudy (callisto):
Okay, my apologies! Are you going to do this question or do the previous one?
OpenStudy (anonymous):
ive been on here since 3 in the morning it is now 7am dnt u think thts a long time?
OpenStudy (callisto):
I've been here for 6-7 hours...
OpenStudy (anonymous):
ok but your not a student?
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OpenStudy (callisto):
I am a student!
OpenStudy (anonymous):
wat grade?
OpenStudy (callisto):
Year 1.
Just go back to the question you ask...
To form a triangle, the sum of two sides must be greater than the third.
OpenStudy (anonymous):
no.
OpenStudy (anonymous):
i dont need your help thank you
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OpenStudy (mayankdevnani):
apply the triangle inequality i.e sum of any two sides of triangle is greater than the third side.
ok @monasamoneis
OpenStudy (callisto):
Since the length given are all smaller than the side 18
So, x+9>18
This inequality must be satisfied to form a triangle.
OpenStudy (callisto):
It's okay if you don't need my help. Good luck.
OpenStudy (anonymous):
ughh finally
OpenStudy (anonymous):
@mayankdevnani so wht did u say?
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OpenStudy (mayankdevnani):
apply the triangle inequality i.e sum of any two sides of triangle is greater than the third side.
OpenStudy (anonymous):
so what would i have to do to do tht?
OpenStudy (anonymous):
18>x>9?
OpenStudy (mayankdevnani):
take first option i.e 10 and other two sides are 18 and 9
OpenStudy (anonymous):
so 10>18>9?
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OpenStudy (callisto):
lol when I say go back to the question you ask, I mean this question... not the previous cosine one.. Anyway.
OpenStudy (mayankdevnani):
it has greater sum of other two sides.okk
OpenStudy (mayankdevnani):
take option c
OpenStudy (anonymous):
option c??
OpenStudy (mayankdevnani):
yaa i.e 9
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OpenStudy (mayankdevnani):
sorry option b
OpenStudy (anonymous):
ok so wat do i do so confuse
OpenStudy (mayankdevnani):
just apply triangle inequality
OpenStudy (anonymous):
9>18>9?
OpenStudy (mayankdevnani):
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