RebeccaPink6398
  • RebeccaPink6398
@welshfella
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
RebeccaPink6398
  • RebeccaPink6398
@welsh
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welshfella
  • welshfella
First convert the 3 3/4 to an improper ( or 'top heavy') fraction there are 12 1/4 's in 3 and we have another 3 1/4' s in 3/4 so what the total number of quarters?
RebeccaPink6398
  • RebeccaPink6398
4! sooo 4/4?=1 whole.. wait 15?

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RebeccaPink6398
  • RebeccaPink6398
wait wait wait... is it D it seems like it is?
welshfella
  • welshfella
thats right so 3 3/4 can be written as 15 / 3
welshfella
  • welshfella
No you are guessing its not D we can now write the equation as
RebeccaPink6398
  • RebeccaPink6398
oh well we got 15 and then 4*8 =32. oh well . are we multiplying?
welshfella
  • welshfella
cross multiply and solve for x
welshfella
  • welshfella
ooops sorry its 15/4 not 15/3 whay didnt you notice my deliberate mistake?? lol
RebeccaPink6398
  • RebeccaPink6398
lol im the student here XD and i got 120
welshfella
  • welshfella
|dw:1432919915327:dw|
welshfella
  • welshfella
4x = 120 x = ?
welshfella
  • welshfella
you cross multilpy 4 * x = 8*15 4x = 120
RebeccaPink6398
  • RebeccaPink6398
480
welshfella
  • welshfella
?? no you divide both sides by 4 |dw:1432920023274:dw|
welshfella
  • welshfella
follow?
RebeccaPink6398
  • RebeccaPink6398
yes :) but are allll these steps nessesary? i have never done anything in math this much work lol but yes i do
welshfella
  • welshfella
if 4 times something is 120 then that something must be 30 .
RebeccaPink6398
  • RebeccaPink6398
OH I SEE!
welshfella
  • welshfella
- well it might seem long because i've repeated things sometimes and written some explanations
RebeccaPink6398
  • RebeccaPink6398
can you tell me what a surface area is?
welshfella
  • welshfella
the total area of the surface of a plane or solid object Like the total surface are of a cube is the sum of the area of its 6 sides

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