desirjeanpierre1
desirjeanpierre1 desirjeanpierre1
  • 16-06-2017
  • Mathematics
contestada

Error Analysis: A student solves the equation S=2Lw+2Lh+2Wh for W and his answer are W=S-2Lh-2Lh\h Describing and correct the student's issues....

Respuesta :

morgaine816
morgaine816 morgaine816
  • 16-06-2017
S=2LW+2LH+2WH

First, subtract 2LH from both sides
S-2LH=2LW+2LH-2LH+2WH
S-2LH=2LW+2WH

Separate out the W
S-2LH=W(2L+2H)

Divide by 2L+2H to get W alone

[tex] \frac{S-2LH}{2L+2H} =W[/tex]

Hope this helps.


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