adejesus174
adejesus174 adejesus174
  • 12-04-2022
  • Mathematics
contestada

what are the two correct answers?

what are the two correct answers class=

Respuesta :

fieryanswererft
fieryanswererft fieryanswererft
  • 12-04-2022

Answer:

y ≥ 1   or   y ≤ -2.4

Explanation:

| 10y + 7 | ≥ 17

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[tex]\sf {Apply\:absolute\:rule}:\quad \mathrm{If}\:|u|\:\ge \:a,\:a\: > \:0\:\mathrm{then}\:u\:\le \:-a\:\quad \mathrm{or}\quad \:u\:\ge \:a[/tex]

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  • 10y + 7 ≤ -17
  • 10y ≤ -17 - 7
  • 10y ≤ -24
  • y ≤ -2.4

-------------------------

  • 10y + 7 ≥ 17
  • 10y ≥ 10
  • y ≥ 1
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