anonymous
  • anonymous
write a variable expression to represent ``multiply n by 2 and add 1 to the result`` now make sketch an area model that corresponds to the expression. anyone?? i need help
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
Multiply n by 2 i.e. \(n \times 2 \implies 2n\) Now add 1 to what we have got : \(2n + 1\) So, your expression is : \(2n+1\) And lastly I know about sketching the area model, I have not studied that, Sorry..
anonymous
  • anonymous
@Hero
anonymous
  • anonymous
Do you know about area model sketching???

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anonymous
  • anonymous
@UnkleRhaukus do you know about area model sketching?? If yes, then we have need of yours here..
UnkleRhaukus
  • UnkleRhaukus
|dw:1353042074938:dw|
anonymous
  • anonymous
Is this called Area Modelling ??
anonymous
  • anonymous
yep
anonymous
  • anonymous
Great...
anonymous
  • anonymous
thanks for helping :)
anonymous
  • anonymous
@UnkleRhaukus give me one expression, I wanna try this..
anonymous
  • anonymous
another one xDD
UnkleRhaukus
  • UnkleRhaukus
√n^2
anonymous
  • anonymous
jamal works at a book store. he is putting copies of two kinds of books on a shelf. the first book has a width of exactly 2 cm. the second book has a width of exactly 2 in. jamal wants to know the combine width of x copies of the first book and y copies of the second book. [note: 1in= 2.54 cm] <- use this need help for this one
anonymous
  • anonymous
a. express the combined width in cm b.express the combined width in inches
anonymous
  • anonymous
@UnkleRhaukus this is not fair, you have given me hard one...
UnkleRhaukus
  • UnkleRhaukus
|dw:1353043048485:dw|
anonymous
  • anonymous
This is not easy for me.. \(n^2\) will represent a Square with length of its side as 'n'. What we do when it is square root??
anonymous
  • anonymous
jamal works at a book store. he is putting copies of two kinds of books on a shelf. the first book has a width of exactly 2 cm. the second book has a width of exactly 2 in. jamal wants to know the combine width of x copies of the first book and y copies of the second book. [note: 1in= 2.54 cm] <- use this a. express the combined width in cm b.express the combined width in inches i need help for this one
UnkleRhaukus
  • UnkleRhaukus
\[x\times2[\text{cm}]+y\times2[\text{in}]\] \[=x\times2[\text{cm}]+y\times2[\text{in}]\times\frac{2.45[\text{cm}]}{[\text{in}]}\]
UnkleRhaukus
  • UnkleRhaukus
\[x\times2[\text{cm}]+y\times2[\text{in}]\] \[=x\times2[\text{cm}]\frac{[\text{in}]}{2.45[\text{cm}]}+y\times2[\text{in}]\]
anonymous
  • anonymous
thank u :D is that a and b??
UnkleRhaukus
  • UnkleRhaukus
yes
anonymous
  • anonymous
thank u again :)
anonymous
  • anonymous
thank u again :)

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