Mathematics
14 Online
OpenStudy (anonymous):
viktoria travels from the point (4,6) to (6,8) then she travels from (6,8) to (8,10). How far is she from the point of start?
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OpenStudy (anonymous):
Hint: find the distance between the points (4,6) and (8,10)
OpenStudy (anonymous):
Can u?
OpenStudy (anonymous):
yes then?
OpenStudy (anonymous):
but that is not the answer
OpenStudy (anonymous):
anyone please...i am stuck ...gosh why viktoria traveled lol
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OpenStudy (anonymous):
please explain your work :D
OpenStudy (agent47):
d1=sqrt((6+8)^2+(4+6)^2)
d1=sqrt(14^2+10^2)
d1=sqrt(196+100)
s1=sqrt(296) =17.2
OpenStudy (agent47):
i meant d1 at the end, not s1. Now d2..
OpenStudy (anonymous):
NO
OpenStudy (anonymous):
i guess @sauravshakya 's answer seems correct
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OpenStudy (agent47):
d2=sqrt(18^2+14^2) = sqrt(324+196) = sqrt(520) = 22.8
OpenStudy (agent47):
Total distance:
d1+d2 = 17.2+22.8=40
OpenStudy (agent47):
ohh wait nvm
OpenStudy (agent47):
Means did not read the entire question:
How far is she from the point of start?
OpenStudy (agent47):
do:
sqrt(16^2+12^2)
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OpenStudy (anonymous):
@Agent47 you are wrong
OpenStudy (anonymous):
\[D= \sqrt{(10-6)^2+(8-4)^2}= \sqrt{(4)^2+(4)^2} = \sqrt {32}\]
OpenStudy (agent47):
sqrt(256+144)=sqrt(400)=20 <FINAL ANSWER
OpenStudy (anonymous):
you are right @erica.d
OpenStudy (anonymous):
is it @sauravshakya ?
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OpenStudy (anonymous):
@saiberz thanks
OpenStudy (agent47):
i failed yet again
OpenStudy (anonymous):
Yep...... thats it. @erica.d
OpenStudy (agent47):
:/
OpenStudy (anonymous):
thank you guys :)
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OpenStudy (anonymous):
WELCOME
OpenStudy (agent47):
y cldn't anyone mention that i was using wrong signs??????????????!!!!!!!