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Mathematics 7 Online
OpenStudy (anonymous):

Jpe wants to fill a triangular prism shaped jar with jelly beans, If it will cost $0.04 per cubic inch, how much willl Joe have to pay?

OpenStudy (anonymous):

@tbmonkey

OpenStudy (anonymous):

i will describe the image to you.

OpenStudy (anonymous):

So, um, if you are facing upwards is that vertical?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

so the triangular prism is facing vertically

OpenStudy (anonymous):

the height of the base is 4 in

OpenStudy (anonymous):

the height of the base? or the length? bases don't have height

OpenStudy (anonymous):

then on the sides of the base there are these lines, ans they say 5... so i guess each side measures 5 in?

OpenStudy (anonymous):

oh, um, well, there is a line going upwards in the base of the prism...so wouldnt that b height?

OpenStudy (anonymous):

its like a right triangle, and the 4 in is what the line at the middle measures

OpenStudy (anonymous):

yes it height but of a side not the base(:

OpenStudy (anonymous):

ok so the height is 4 in? what are the other measurements?

OpenStudy (anonymous):

ohh. its. just that since that was inside the base..,but mk:)

OpenStudy (anonymous):

i think the left and right sides of the base each measure 5 in

OpenStudy (anonymous):

ok hang on

OpenStudy (anonymous):

and the height of the wholr prism 7 in. then inside theres a measurement of 6

OpenStudy (anonymous):

should be 50

OpenStudy (anonymous):

and its kinda like the rectangular prism shown at http://intermath.coe.uga.edu/dictnary/descript.asp?termID=275

OpenStudy (anonymous):

the volume should be 50?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

mk. did u c the link tho?

OpenStudy (anonymous):

so do 50 * 0.04 and yea saw the link

OpenStudy (anonymous):

mk so u c on the inside, at the left, thats where the six is sposed to b

OpenStudy (anonymous):

so itd cost joe 2 dollars to pay for thr jar?

OpenStudy (anonymous):

i got 2.8 earlier for sm reason. but mk,tnx:)

OpenStudy (anonymous):

can u help me witha few more?

OpenStudy (anonymous):

yea sure

OpenStudy (anonymous):

thanks tb

OpenStudy (anonymous):

no problem!(:

OpenStudy (anonymous):

ill post em

OpenStudy (anonymous):

also, could u explain how u got the answer ($2.00)?

OpenStudy (anonymous):

volume is 1/2*L*W*H so 1/2*5*5*4=50 *0.04(:

OpenStudy (anonymous):

thanks so very much once more!

OpenStudy (anonymous):

:)))))))))

OpenStudy (anonymous):

hmmm,, so you would not actuLly use the 6?

OpenStudy (anonymous):

not in this problem

OpenStudy (anonymous):

ah. mk:)

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