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Mathematics 17 Online
zarkam21 (zarkam21):

Help with the second part to this question

zarkam21 (zarkam21):

OpenStudy (mww):

simply plot your pts on the graph pad provided

OpenStudy (mww):

then pick one point for each metal (any point) and find y/x for that which is your density value

zarkam21 (zarkam21):

I'm having trouble plotting the points

zarkam21 (zarkam21):

@mww

OpenStudy (mww):

x = volume, y = mass. you were given these pairs before...

zarkam21 (zarkam21):

Like I don't know how to graph it

zarkam21 (zarkam21):

Would the first empty row be filled with mass, volume, and density?

OpenStudy (mww):

forget density. focus on m and v. the first attachment has your values to plot. the second sheet is not a table but a grid, believe it or not for you to graph those pts on

zarkam21 (zarkam21):

Oh okay thats where I got confused so just graph all the points so it creates a line right

OpenStudy (mww):

practically

OpenStudy (mww):

the pt of this prac is to show you that if you compare the volume of a metal to its mass, you notice they are linearly related. As the mass increases so does the volume by a steady amount. This 'amount' is known as the density which is how much mass is packed into a given volume.

zarkam21 (zarkam21):

Soo just to cinfirm the first point I would graph would be (1.7,4.31)?

OpenStudy (mww):

spot on!

OpenStudy (mww):

As a simple tip in any subject, but specially so for chemistry, make sure to bear in mind what you are actually doing and why you are doing it, not just for the sake of doing it. If stuck, ask somebody. makes it easier to learn if you know the reasoning for an exercise.

zarkam21 (zarkam21):

Okay so I do this for all 24 values?

zarkam21 (zarkam21):

Yes i am trying to not just "do it" but understand it as well

zarkam21 (zarkam21):

#@mww

zarkam21 (zarkam21):

@mww

zarkam21 (zarkam21):

Does the slope of the line for each metal represent the density?

zarkam21 (zarkam21):

@3mar

OpenStudy (3mar):

Hello, sister! Sorry, I was not here!

OpenStudy (mww):

Yes, slope = rise/run = average y / average x = mass of metal / volume of metal = density.

zarkam21 (zarkam21):

It is okay brother, I am finally almost done with this assignment =)

OpenStudy (3mar):

You are so hard working student! Ma Sha' Allah! It is rare to find ones like you!

zarkam21 (zarkam21):

Brother can you help me with the rest of this problem?

OpenStudy (3mar):

Yes, sister! I am with you right now! "Does the slope of the line for each metal represent the density?" Exactly|dw:1480397506103:dw|

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