troller379 troller379
  • 06-06-2017
  • Mathematics
contestada

solve the inequality z+7>7
           
z>?


their is a little line under the sign

Respuesta :

02332
02332 02332
  • 06-06-2017
z+7 > 7
z > 7-7
z > 0

so Z is more than or = to 0
Answer Link
ReinaInoue
ReinaInoue ReinaInoue
  • 07-06-2017
ANSWER: z ≤ 0

REASON:
z + 7 > 7
Take away 7 from both sides
z + 7 -7 > 7 - 7
Then...
z<0 because z must be less than or equal to zero (≤)
Answer Link

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