inteleqti

28 |x|>5 utolobis amonaxsnTa simravlea1) (–5; 5) 2) [-5; 5] 3) (–∞; –5)∪(5; +∞) 4) (5; +∞).29 |x|>-5 utolobis amonaxsnTa simravlea1) (-5; 5) 2) (-∞; +∞) 3) (–∞; –5)∪(5;+ ∞) 4) (5;+ ∞).amoxseniT amocanebi30 amoxseniT naturalur ricxvebSi (sxvadasxva xerxiT):a) 3x+5y=60, b) 5x+7y=140, g) 7x+9y=252,d) 5x+9y=180. e) 5x+13y=260.miTiTeba. e) I xerxi: cxadia, 5x+13y=260-is erT-erTi mTeliamonaxsnia (0; 20); nebismieri mTeli amonaxsnia x=0+13t;y=20-5t, t∈Z;13t> 0)20 - 5t> 0,t > 0)t < 4, t=1,2,3,pasuxi: (13;15); (26; 10), (39;5).II xerxi: 5x=260-13y, x=52-13 y; 552-13 y>0. aq y>0, y iyofa 5-ze, x>0. saidanac y=5, 10, 15;5Sesabamisadx=39, 26, 13.31 gvsurs 20,5 litri wveni gavanawiloT 0,7 l da 0,9l tevadobis qilebSi ise, rom yvela qila aivsos.qilebis ra umciresi odenoba ikmarebs?32 17x+19y=300 gantolebis erT-erTi mTeli amonaxsnia (2700; –2400).ipoveT gantolebis yvela naturaluri amonaxsni.33 gamoiyeneT wina amocanis Sedegi da amoxseniT amocana: 3000 litriRvino unda Camoasxan 170-litrian da 190-litrian kasrebSi. SeiZlebaTu ara Seivsos yvela gamoyenebuli kasri am odenobis RviniT?34 cnobilia, rom n cali 4-kilogramiani da m cali 5-kilogramianiindauris saerTo masa 26 kg-ia. ipoveT m da n.35 ormagi utoloba CawereT sistemis saxiT da amoxseniT es sistema:a) -1≤2x+1