Inequalities - practice problems - last page

Number of problems found: 88

Rates
When gas consumption, the consumer may choose one of two rates: rate A - which pays 0.4 € per 1 m³ of gas a flat monthly fee of 3.9 € (regardless of consumption) rate B - which pays 0.359 € per 1 m³ of gas a flat monthly fee of 12.5 € From what monthly co
3-bracket 3
Two angles in a triangle are 90° and 60°. Has the triangle at least two equal sides?
3-bracket 2
Maybe the smallest angle in the triangle is greater than 70°?
3-bracket
Maybe the largest angle in the triangle is less than 20°?

Widescreen monitor
A wave of widescreen monitors and televisions hit computer businesses. Calculate the area of the LCD monitor with a diagonal size 27 inches at a ratio of 4:3 and then a 16:9 aspect ratio. Is buying widescreen monitors with the same diagonal more advanta
Report card
Ivor hit 4× grade 5 at the beginning of the school year. How many times must you now catch grade 1 to get grade 2 on the report card?
Party
At the party, everyone clinked with everyone. Together, they clink 406 times. How many people were at the party?
Right triangle Alef
The obvod of a right triangle is 120 cm, and the hypotenuse is 51 cm long. Determine the lengths of the legs.

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