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helpmeplz311
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@thivitaa
@Spectrum
helpmeplz311
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i did the first 2 on the second link
helpmeplz311
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surface area
helpmeplz311
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please help me!
helpmeplz311
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the links are not spam i promise
Spectrum
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I can do it
if you want
helpmeplz311
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i tookpictures of mgy assignment
Spectrum
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well the base question....with noah
helpmeplz311
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yes please i beg uu
Spectrum
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think about each side as just a square of l x w
helpmeplz311
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ive many more things to do before 8:00 am
helpmeplz311
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(its 5:00 am where i am)
Spectrum
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6 squares 3 pairs 2 l x w 2 w x h 2 h x l right?
helpmeplz311
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umm...yes, i think,what priblem is it?
Spectrum
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2(50x25) + 2(25x20) + 2(20x50) = total square feet
Spectrum
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first one top question
helpmeplz311
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umm. can we dl the thrrd orn
e on the second elink?
Spectrum
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the triangular prism?
helpmeplz311
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yes and the fourth as well
helpmeplz311
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plz?
Spectrum
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yeah hold on please
helpmeplz311
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ok
btw u did the wuestion about neah on the first link?
Spectrum
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okay for those, you need s.a too?
helpmeplz311
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for which ones?
Spectrum
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3 and 4
helpmeplz311
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yes, plz look at the second link
helpmeplz311
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i got help onnthe first two on that one
Spectrum
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calm down okay lets do 4 first
Spectrum
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if its a perfect cub all you need is (3.5^2)6
helpmeplz311
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okay srry
its just that everyonr was abandoning my q yesterday
helpmeplz311
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ok, that formula for everything?
Spectrum
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no but its a cube...it has 6 of the same exact sides
all the sides are the same length ..and one face would be 3.5 x 3.5 ...6 sides would be 6 (3.5 x 3.5)
helpmeplz311
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because it asks for p perimeter of the base
b area of the base
lateral surface area
and total surface area
helpmeplz311
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oh ok
helpmeplz311
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i understand that.
Spectrum
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area of base would be 3.5 x 3.5 and permiter of the base would be all the sides of the base or 3.5 x 4
helpmeplz311
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ok, let mme write those down real quick
helpmeplz311
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ok done
Spectrum
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3.5^2
helpmeplz311
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um, that is for,,,,,
helpmeplz311
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what ws tgat for?
Spectrum
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sorry im lagging
holdon
helpmeplz311
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what measurement,i mean
helpmeplz311
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ook
Spectrum
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it was for totall surface area it was 6(3.5^2)
helpmeplz311
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o ok leg me calculate
helpmeplz311
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ok 73.5
Spectrum
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what part of three are you having trouble iwht?idk what l s.a is
helpmeplz311
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umm,umm, yes, total surface area, will u plz help mme with number three?
helpmeplz311
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no i mean lateral
helpmeplz311
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oh s.a. means surface area
helpmeplz311
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is the lateral surface area 49 for number 4?
Spectrum
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what do you mean by lateral?
helpmeplz311
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lateral surfacd area.
Spectrum
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what is that?
helpmeplz311
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surface*
helpmeplz311
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emcrazy do you know what that is?
helpmeplz311
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spectrum it is perimeter of base times height
Spectrum
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well that would be the permiter times 3.5
helpmeplz311
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umm, 14 x 3.5
ok
let me calculate
helpmeplz311
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49?
Spectrum
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correct :)
helpmeplz311
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and total you said was 73.5
Spectrum
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its 6(3.5 x 3.5)
helpmeplz311
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oh :) so thats what i do for laterall, yes?
helpmeplz311
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ok. now let us do the one about the birthday present,yes?
helpmeplz311
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oh it does not show
the problem is
a presrnt has a length of 14 inches width of ten inches and height of seven inches, what is the minimum amount of wrapping paper needed to wrap the present?
helpmeplz311
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so its like a rectangular prism
helpmeplz311
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help me plz!
Spectrum
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um sorry im getting tired..i will do this one ..buts thats it...... basically is 2(lx w) + 2( l x h) + 2( h x w) dude..you are going to have to calm down....seriously..or i won't help you again.
helpmeplz311
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Fine. okay. and my name is rachel.
helpmeplz311
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i am calm.
Spectrum
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that woul be miss then :)
helpmeplz311
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lol.
Spectrum
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you would be a miss not a dude lol
helpmeplz311
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hahaha.sorry its just that im short on time sng got lots of more hmwrk to do
helpmeplz311
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umso u just multiply 14 x 10 x 7?
helpmeplz311
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hi hartnnn
helpmeplz311
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how nice to see you again
hartnn
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then i am so sorry to tell you that i am here for few minutes only.... i ngot to go....
helpmeplz311
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um hartnn plz tell me, do you know what to do on the aformentioned word problem?
helpmeplz311
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oh :/. okay, if you must :/
helpmeplz311
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scroll up and ull cnthe problemm. its about a present
helpmeplz311
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spectrum, u helped me with the one about the building?