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Mathematics 11 Online
OpenStudy (iesmee):

solve each equation

OpenStudy (iesmee):

\[-1+\left[ \frac{ a }{ 8 } \right]=0\]

OpenStudy (anonymous):

a=8

OpenStudy (anonymous):

-1 + ?=0

OpenStudy (anonymous):

1 and -1 cancel each other out making it 0, so that means a/8 must equal one. a=8 because 8/8 is 1.

OpenStudy (iesmee):

oohh

OpenStudy (iesmee):

@amoodarya

OpenStudy (amoodarya):

|dw:1389706108414:dw|

OpenStudy (amoodarya):

[x]=k ---> k<=x<k+1 when k is integer so [a/8]=1 1<=a/8 <1+1

OpenStudy (iesmee):

where did you get k?

OpenStudy (amoodarya):

so \[1 \le \frac{ a }{ 8 } <1 \rightarrow 8 \le a<16\]

OpenStudy (amoodarya):

k was a sample of integers like this look these equation \[\lfloor x \rfloor= 2 \rightarrow 2 \le x<2+1\] \[\lfloor 2x \rfloor=5 \rightarrow 5 \le 2x<5+1 \rightarrow \frac{ 5 }{ 2 }\le x<3\]

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