Stosunek dlugosci bokow prostokata P1 jest rowny 6:5. Jesli kazdy bok tego prostokata skrocimy 0 2 2/3 , to otrzymamy prostakat P2, w ktorym stosunek bokow jest rowny 4:3. Oblicz obwod prostokata P1. Zakoduj cufre dziesiatek jednosci i pierwsza cyfre po przecinku rozwiniecia dziesietnego otrzymanego wyniku.

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

What is always true about a positive integer raised to a negative odd power?