Question

Ma puteti ajuta va rog la acest exercitiu? ​

Answer 1

a)

x +0.4< 0.7 → x< 0.7-0.4 →x< 0.3

b)

x +2.54≤ 3.54

x ≤ 3.54-2.54

x ≤ 1

c)

5.69-x≥ 1.3*1.3

5.69-x≥ 1.69

5.69-1.69≥ x

4≥x

x≤4

d)

x+5.25< 0.5*0.5*0.5*0.5*100

x+5.25< 25*0.25

x+5.25< 6.25

x<1