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Mathematics 19 Online
OpenStudy (nicholausblackmon):

If you help i will fan, medal and testify!

OpenStudy (nicholausblackmon):

OpenStudy (nicholausblackmon):

@Directrix Do you mind helping me?

Directrix (directrix):

Where is the diagram?

OpenStudy (nicholausblackmon):

That is all that is given

Directrix (directrix):

There has to be a picture. I don't know where the angles and other parts are located in relation to each other. So, look again for a diagram, and I think I can help you.

OpenStudy (nicholausblackmon):

That is literally all that is given :(

OpenStudy (nicholausblackmon):

hello?

Directrix (directrix):

Did you look for a diagram?

OpenStudy (asnaseer):

@NicholausBlackmon - you should at least be able to tell me what the reasons are for b and c - what do you think?

OpenStudy (nicholausblackmon):

There was nothing to be found but this. There usually isn't a diagram for a proof :(

OpenStudy (nicholausblackmon):

Is it muliplication property of equality for b and c?

OpenStudy (nicholausblackmon):

or is c given?

OpenStudy (asnaseer):

what is the reason for being able to go from the statement in "a" to the statement in "b"?

OpenStudy (nicholausblackmon):

adding the like terms, which is 7x and 5x

OpenStudy (asnaseer):

perfect! :)

OpenStudy (asnaseer):

now think of the reason to go from the statement in "b" to that in "c"

OpenStudy (nicholausblackmon):

So it's additive property of equality for a?

OpenStudy (asnaseer):

lets come back to "a" at the end

OpenStudy (nicholausblackmon):

i think a might be given

OpenStudy (nicholausblackmon):

okay

OpenStudy (asnaseer):

now think of the reason to go from the statement in "b" to that in "c"

OpenStudy (nicholausblackmon):

Dividing the 12 from both sides!

OpenStudy (asnaseer):

you got it - well done! :)

OpenStudy (asnaseer):

now look carefully at "a" and the statement before it - wat reason do you think justifies this?

OpenStudy (nicholausblackmon):

is it substitution?

OpenStudy (asnaseer):

yes - you could say that - you could also that that m RST and m UVW are given in the question

OpenStudy (nicholausblackmon):

i was right!

OpenStudy (asnaseer):

but you are right - you are substituting in the given values

OpenStudy (nicholausblackmon):

So the answer is A. Given B. additive property of equality C. Division property of equality?

OpenStudy (asnaseer):

yes - that looks correct

OpenStudy (nicholausblackmon):

You're awesome!

OpenStudy (asnaseer):

yw :) and you know more than you think you know my friend! :)

OpenStudy (nicholausblackmon):

I just needed a little guiding in the right direction mostly

OpenStudy (nicholausblackmon):

do you mind if i ask another question?

OpenStudy (asnaseer):

<<<--- please ask each question separately in the list on the left

OpenStudy (nicholausblackmon):

okay!

OpenStudy (asnaseer):

I will try and help - but if I am busy then please be assured that there are plenty of good helpers on this site :)

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