Seudónimo
Seudónimo
19-10-2016
Mathematics
contestada
Please help... #18 and #28
Respuesta :
JabrielAndrews
JabrielAndrews
19-10-2016
I hope this helps you
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apologiabiology
apologiabiology
19-10-2016
18
[tex]19 \geq \frac{x}{90} -25[/tex]
add 25 to both side
[tex]44 \geq \frac{x}{90} [/tex]
times 90 to both sides
3960≥x
I just answerd 28
[tex] \frac{x+5}{3} \leq 2[/tex]
times both sides by 3
x+5≤6
minus 5 both sides
x≤1
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