hba
A triangle is formed by the x-axis,the y-axis and the line y=ax+b.If a=-b ,then what is the volume of the cone generated by rotating this triangle around y-axis. @hartnn
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thinker1
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volume=|dw:1352379558042:dw|
thinker1
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is it not he answer
hba
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hba
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@thinker1 i cannot understand your explanation you gave above :)
thinker1
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sorry|dw:1352381309515:dw||dw:1352381270904:dw|
hba
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no but how y=a(x-1) ?
hba
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I am really sorry but i am in a gap year so i am having problem :(
hba
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@thinker1
thinker1
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look my motive is to find the radius of the cone and its heihgt so as to get the volume.the equation is y=ax+b since a=-b we know that y=ax-a now findthe intersection points of these graph with the two axis by taking the value of yand x 0 seperately get corresponding values of x and y the corresponding value of x gives you the radius and that of y is height if confused now take the help of my drawing and thif you are still in blue tell me iam here for some minutes
thinker1
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thanks
hba
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\[V=1/3 \pi r^3h \]
y=ax+b
and a=-b or b=-a
so,
y=ax-a
y=a(x-1)
thinker1
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yes
hba
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Please Tell Me What I Have To Do After This Mathematically because it is hard to understand what you have written :)
hba
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Moreover where did the h come from @thinker1
thinker1
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his the height and y intercept of our line
hba
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@amistre64 Please Take Care Of him :)
mikala1
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sop do this to me idc how to frekin answer it you syco its called goolge
hba
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@amistre63 You are so dead -_-
hba
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@TranceNova Please Take Care Of this :)
mikala1
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sycooooo stop some one kick him off
hba
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Stop posting and ruining my question. I want all the unwanted posts immediately removed.
amistre63
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disturbance
mikala1
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thank you
hitten101
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stop spamming
hba
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@dmezzullo please remove all your posts :)
Susan9419
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WOULD U STAHP TAGGING ME!?!?!?!?
mikala1
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no one want to help you
hba
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@amistre63 Hey Dude,Where Are You From ?
amistre63
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@hba my mom
hba
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@amistre64 So,Why are you trying to disturb me ?
thinker1
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hba r u done
hba
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No Dude Let me tell you where i got stuck :)
hba
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|dw:1352383763847:dw|
hba
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I cannot get what you have written @thinker1
amistre63
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@hba because no one answers my question >.> thats why
hba
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You never tagged me in your post,i am always there to help :)
hba
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Why didn't you tag me ?
hba
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Is that my fault ?
amistre63
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=3 because its not math its stupid science
hba
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I know science also just tag me there and i will help you right away :)
amistre63
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ok :O
hba
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Please stop ruining everyone's post :)
amistre63
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ok :o
mikala1
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amister i can help to
mikala1
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just dont tag me any more
thinker1
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I HAVE ALREADY HELPED HER
hba
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@thinker1 Please see what i asked for ?
hba
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I Know amber was just being a freak :( Don't know why :(
hba
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@thinker1 ??
thinker1
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YES IM ON
hba
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|dw:1352384621880:dw|
hba
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I don't get the part i circled :)
thinker1
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THAT IS THE Y INTERCEPT |dw:1352384799109:dw|
hba
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Please write in mathematical form also
hba
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@thinker1
thinker1
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AT X INTERCEPT Y CO ORDINATE IS 0NOW PUT 0 INPLACE OF X IN EQUATION TO GET X INTERCEPT SIMIL. PUT X=0 IN EQUAT. OF LINE TO GET Y INTERCEPT
hba
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@thinker1 I am really thankful to you for helping me out :)
thinker1
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u r welcome