Why is life sooo boring

If you are solving y2+2y=48 by completing the square, the next line would be y2 + 2y - 48 = 0 y2 + 2y + 4 = 52 y2 + 2y +1 = 49

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Na podstawie bajki jana brzechwy mrówka napisz krótkie ,zabawne opowiadanie.najpierw u³u¿ plan-podziel wiersz na fragmêty mówi¹ce o zachowaniu ka¿dego ze zwierz¹t. nie nadu¿ywaj czasownik- a podzia³ zastosuj synonimy na przyk³ad odpowiedzia³ odpar³ odrzek³ mrukn¹³ w odpowiedzi us³ysza³ on na to w tok opowiadania wpleæ dialogi bohaterów bajki zadanie wykonaj w zeszycie