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Mathematics 7 Online
OpenStudy (anonymous):

Just to make sure I did everything right..?

OpenStudy (anonymous):

OpenStudy (anonymous):

I dont get the solution part

OpenStudy (anonymous):

@Ibbutibbu. I dont think I am supposed to put just the x and y.... :(

OpenStudy (ibbutibbu.):

im confused now sry

OpenStudy (anonymous):

no its fine :)

OpenStudy (anonymous):

@radar

OpenStudy (anonymous):

Did I set the equation right?? did I graph it right??

OpenStudy (radar):

I am thinking that Equation 1 would be: 2x + 3y = 60 Equation 2 would be x + 5y = 65

OpenStudy (anonymous):

yup thats what I wrote :)))

OpenStudy (anonymous):

So would the equations be y=-2/3x+20 and y=-1/5x+13 ??

OpenStudy (radar):

You have 2x + 2y = 60 Is there a certain way you are required to solve the system. Using the elimination method you would get x = 15 and y = 10.

OpenStudy (anonymous):

I got the same solution. I have a graph attached, and I dont see the solution. I am supposed to explain it in the context of the graph

OpenStudy (radar):

As my old eyes can hardly make out the graph, you should get two line that intersect at (15,10)

OpenStudy (anonymous):

hmmm thats what I tought.. but I didnt get that. do you know how to zoom in?

OpenStudy (radar):

Two convenient points to use to draw the line for equation 1: (0,20) and (30,0) Equation 2: (0,13) and (65,0)

OpenStudy (radar):

Those are intercepts from your two "slope intercept" equations which by the way are correct.

OpenStudy (anonymous):

ohhh thank you!!! I see the intersection!!!!!!

OpenStudy (radar):

Did they provide you the graph paper, or was it part of the problem?

OpenStudy (anonymous):

they did

OpenStudy (anonymous):

I see the solution OMG

OpenStudy (radar):

As you can see you need to be sure your lines travel to (15, 10)

OpenStudy (radar):

Glad to be of help (if I was lol)

OpenStudy (anonymous):

you were a HUGE help! Thank you soooooo much!! @radar

OpenStudy (radar):

Good luck Melodysim with your studies.

OpenStudy (anonymous):

hmm oh btw, I have a question. so with graph, as you can see, y coord. goes on with unit of 5, and x goes on with unit of 1.

OpenStudy (anonymous):

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