troller379 troller379

06-06-2017
Mathematics

contestada

solve the inequality z+7>7

z>?

their is a little line under the sign

Respuesta :

06-06-2017

z+7 > 7
z > 7-7
z > 0

so Z is more than or = to 0

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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 (≤)

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