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Mathematics 8 Online
OpenStudy (anonymous):

HELP!!!!!

OpenStudy (anonymous):

If the mass of a marble is 4.98g, and the volume of water is 50.1mL, and the Volume of Water with Marble is 52.4mL. What is the Volume of the marble? and the Mass/Volume(g/mL)

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

Hint: Volume of Water With Marble = (Volume of Water Only) + (Volume of Marble Only)

OpenStudy (anonymous):

But I'm already given the Volume of Water with Marble

OpenStudy (anonymous):

Their asking for the volume of Marble(mL) and the Mass/Volume(g/mL) @jim_thompson5910

jimthompson5910 (jim_thompson5910):

what's the volume of the marble?

OpenStudy (anonymous):

sorry for the waiting im trying to write it out

jimthompson5910 (jim_thompson5910):

that's ok

OpenStudy (anonymous):

Okay, this is the sheet with the problem. The questions im asking you is on the graph

jimthompson5910 (jim_thompson5910):

sorry i don't have the program needed to open that

OpenStudy (anonymous):

oh. Well the mass of marble is 4.98. The volume of water is 50.1mL. The Volume of water with Marble is 52.4mL. What's the volume of the marble? and the mass/volume ?

jimthompson5910 (jim_thompson5910):

yes I already know the original problem since you posted that above

OpenStudy (anonymous):

oh well thats the problem then

jimthompson5910 (jim_thompson5910):

so what's the volume of the marble (use my hint)

OpenStudy (anonymous):

If im not given the volume of water with marble yet or the volume of water. how am i supposed to plug it into the formula?

jimthompson5910 (jim_thompson5910):

The Volume of water with Marble = 52.4mL The volume of water = 50.1mL

jimthompson5910 (jim_thompson5910):

you have all the info you need

OpenStudy (anonymous):

are you sure you wrote the hint correct?

jimthompson5910 (jim_thompson5910):

yes I'm sure

OpenStudy (anonymous):

I think your suppose to subtact 52.4-50.1

jimthompson5910 (jim_thompson5910):

yes

jimthompson5910 (jim_thompson5910):

so the volume of the marble is what?

OpenStudy (anonymous):

2.3

OpenStudy (anonymous):

and what do i have to do to find the mass/volume ?

jimthompson5910 (jim_thompson5910):

divide the mass of the marble by the volume of the marble

OpenStudy (anonymous):

I get .0994

jimthompson5910 (jim_thompson5910):

that's incorrect

OpenStudy (anonymous):

OHHH!! WAIT nevermind! I used the wrong numbers! Its 2.165

jimthompson5910 (jim_thompson5910):

good

OpenStudy (anonymous):

can i ask you any questions if i get stuck?

jimthompson5910 (jim_thompson5910):

sure I could do a few more

OpenStudy (anonymous):

For another problem, its asking me to graph the "Volume on the x-axis" and the "Mass on the y-axis" but it isnt specific if its suppose to be the volume of the marble or the volume of the water. What do you think?

jimthompson5910 (jim_thompson5910):

hmm it's probably the marble, I'm not sure

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