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Mathematics 21 Online
OpenStudy (liaannne):

A comet’s path (as it approaches the sun) can be modeled by one branch of the hyperbola , where the sun is at the focus of that part of the hyperbola. Each unit of the coordinate system is 1 million miles. Find the coordinates of the sun (assuming it is at the focus with non-negative coordinates). Round to the nearest hundredth. How close does the comet come to the sun?

OpenStudy (liaannne):

@Ballerina_MJ

OpenStudy (janu16):

what the hyperbola

OpenStudy (liaannne):

Say what?

OpenStudy (janu16):

you said modeled by 1 branch of heperbola

OpenStudy (anonymous):

A hyperbola is a symmetrical open curve formed by the intersection of a circular cone

OpenStudy (janu16):

is it y^2/1096-x^2/41334=1

OpenStudy (janu16):

not talking about the definition

OpenStudy (liaannne):

@Janu16 So sorry; Ive no idea what ur saying

OpenStudy (janu16):

do you seee the number i wrote up there? is that in you problem?

OpenStudy (liaannne):

Oh yeah it is...

OpenStudy (janu16):

same number right? do you need the graph or only answer?

OpenStudy (liaannne):

yeah. I need the coordinates

OpenStudy (janu16):

ok wait

OpenStudy (janu16):

look at that attachment

OpenStudy (janu16):

is that what you are looking for?

OpenStudy (liaannne):

I cant use that though! Its like the same answer! I need it explained to me. And help

OpenStudy (janu16):

look at the note section for the coordinated or other stuff

OpenStudy (janu16):

you dont need grpah only the written part right? i can help you reword it

OpenStudy (liaannne):

Yeah I dont need the graph. Just the coordinates and how close it came to the sun

OpenStudy (anonymous):

Okay so the notes kinda explain your problem out so basically. you would make the hyperbola 0,0 like a graph/coordinate

OpenStudy (liaannne):

Okay :)

OpenStudy (anonymous):

I'm trying my hardest to explain and since I'm in middle school that doesn't help much either xD

OpenStudy (liaannne):

Awh thanks haha

OpenStudy (janu16):

the equation c^2=a^2+b^2 can be used since the sunis at a focus and we take postive value of the c which would be square rooot1096+41334 which equals to 205.99. so (0,205.99) will be the coordinate of the sun.

OpenStudy (janu16):

that would be part A. do you get it?

OpenStudy (liaannne):

Yeah okay so the B would be ??

OpenStudy (janu16):

alright hold on

OpenStudy (anonymous):

The closest the comet gets to the sun is 206 -33 or 173 million miles

OpenStudy (liaannne):

Ahh okay :)

OpenStudy (janu16):

it would be around 206-33 when the comets get closer to the sun or 73 million miles

OpenStudy (janu16):

173 i menat

OpenStudy (liaannne):

All right, so thats part B right? Okay so as I said I cant use the same thing as the screenshot though...

OpenStudy (janu16):

you want to always use different word when rewording it . yes thats part b

OpenStudy (janu16):

hope that helped you

OpenStudy (liaannne):

Yes it did thank you so very much :) Both of you :)

OpenStudy (janu16):

no prob

OpenStudy (anonymous):

No problem glad we could help! :) <3

OpenStudy (liaannne):

@Ballerina_MJ Awh you're so sweet haha :)

OpenStudy (anonymous):

Let me know if you need help with anymore

OpenStudy (liaannne):

All right! Thanks so much :)

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