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what are the possible values of y if x=4 in the inequality x–2y ≤ 5?
a.y≤- 1/2
b.y≥- 1/2
c. y≤ 1/2
d. y ≥ ½​


Sagot :

Answer:

A.

[tex]y \leqslant \frac{1}{2} [/tex]

Step-by-step explanation:

[tex]x - 2y \leqslant 5 \\ 4 - 2y \leqslant 5 \\ - 2y \leqslant 5 - 4 \\ - 2y \leqslant 1 \\ \frac{ - 2y}{ - 2} \leqslant \frac{1}{ - 2 } \\ y \leqslant - \frac{ 1}{2} or - 0.5[/tex]

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