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Algebra 18 Online
OpenStudy (anonymous):

.

OpenStudy (anonymous):

OpenStudy (anonymous):

If popcorn costs x and nachos cost y then \(2y = x\) means two times the cost of nachos equals the cost of popcorn.

OpenStudy (anonymous):

so it would be C

OpenStudy (anonymous):

@SACAPUNTAS

OpenStudy (anonymous):

Wait, how are you getting that? Where did it mention two dollars?

OpenStudy (anonymous):

u said 2y isnt tht 2 dollars

OpenStudy (anonymous):

No. Two times.

OpenStudy (anonymous):

wait im srry im suppose to looking at the link

OpenStudy (anonymous):

ignore the question at the top

OpenStudy (anonymous):

this link

OpenStudy (anonymous):

Oh, oops. Ok, this has nothing to do with dollars. You know how to find the volume?

OpenStudy (anonymous):

um multiply right

OpenStudy (anonymous):

Yes. Length \(\times\) width \(\times\) height.

OpenStudy (anonymous):

So in this case we have the volume = \(2w^3 + 14w^2\) The width is \(w\) so let's factor out a \(w\). \(w(2w^2 + 14w)\)

OpenStudy (anonymous):

What's the length? Factor that out next.

OpenStudy (anonymous):

i got the answer B is the right or even close to the right answer

OpenStudy (anonymous):

How did you get it?

OpenStudy (anonymous):

well if u multiplied it seemed to make since to me tht the height is greater than the length right or was tht rhetorical

OpenStudy (anonymous):

i mean the answer would be A

OpenStudy (anonymous):

Well, it's right, but you should figure it out by the right method. Since volume is length times width times height once you factor out length and width (which are both given) from the volume what you have left is the height: \[V(w) = w(2w)(w + 7)\]

OpenStudy (anonymous):

No, it was B, for the reason I just showed you.

OpenStudy (anonymous):

the height is 7 feet greater than the length

OpenStudy (anonymous):

oh ok

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