Seudónimo Seudónimo
  • 10-05-2021
  • Mathematics
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if x=7, which inequality is true?

if x7 which inequality is true class=

Respuesta :

nancygoyal
nancygoyal nancygoyal
  • 10-05-2021

Answer:

B

Step-by-step explanation:

Substitute x =7 in each inequality

In A.

[tex] - 4 + 3 \times 7 < 17 \\ - 4 + 21 < 17 \\ \\ - 17 < 17[/tex]

Which is not true

B.

[tex] - 7 - 2 \times 7 > 1 \\ - 7 - 14 > 1 \\ - 21 > 1[/tex]

Which is not true.

C.

[tex]5 - 7 \leqslant 9 \\ - 2 \leqslant 9[/tex]

Which is true

D.

[tex]1 - 4 \times 7 \geqslant 25 \\ 1 - 28 \geqslant 25 \\ - 27 \geqslant 25 \\ [/tex]

Which is not true

so option C is the right answer

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