taytay551
taytay551
17-10-2017
Mathematics
contestada
Number 13 is what I need done
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ssender
ssender
17-10-2017
instead of using an = sign we use [tex] \leq [/tex] becuase its less than or equal to 100 dollars.
The equation of the line is y=10x+7
sub in 100 for y and the inequallity sign
10x+7[tex] \leq [/tex]100
solve so x is isolated
10x[tex] \leq [/tex]93
x[tex] \leq [/tex]9.3
technically the answer is 9 because you cant buy a fraction of a CD
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