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funkcja f(x)=-2x+1/3 okeslona jest na zbiorze X={-2;-1;0;0,5;2}a. podaj zbior wartosci funkcjib narysuj wykres funkcjic. dla jakich argumnetnow funkcja przyjmuje wartosci dodatnied. okresl czy funkcja jest malejaca rosnaca czy stalae. podaj wspolrzedne punktow przeciecia sie wykresu funkcji z osiami ukladu wspolrzednychf podaj miejsce zrowe funkcjig. podaj argumenty dla ktorych wartosci funckji sa mniejsze od 1
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Opisz slownie, uwzgledniajac ilosc elektronow, w jaki sposob powstaje :a) kation z atomu magnezub) anion z atomu fluoru
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Odpowiedz na pytania :On 14th February people all around the world send cards, flowers, chocolates and presents to someone they love. But is this just commercial, or is there a tradition behind it?In about 350AD, the Romans killed a man called Valentine on 14th February because he was a Christian. Later, in 496AD, the Pope made 14th February into St Valentine's Day - a Christian celebration.In the Middle Ages, 14th February became a special day for people who were in love. In Europe, people wrote the name of the person they loved on a piece of paper and stuck it on their clothes. Men started writing poems to the women they loved.The tradition of secret love messages began in the nineteenth century, when people could send letters cheaply by post for the first time. Before that, they usually delivered the messages themselves, but now men and women could send love notes secretly, and nobody knew who the sender was. At the same time, card companies started making special Valentine's cards for people to send. And this year people around the world will send over one billion Valentine's Day cards!When did 14th February become a special day for people in love?What did card companies start to do in the nineteenth century?Why did the Romans kill Valentine?When did the tradition of secret love messages start?When did 14th February become a Christian celebration?How did cheap post change Valentine's Day?
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Complete each pair of sentences. Use will or going to and one of the verbs below.drive forget have visitDave thinks aliens .......... our planet in the next twenty years.They ................their aunt and uncle on Sunday.It's raining. I .................you to Jenny's house if you like.In the holidays my sister ....................around Ireland with some friends.I ...................(not) your birthday next year. I promiseJill's in a hurry. She .................her geography homework again.You're wearing new shoes.You ..................... terrible blisters.'Do you want chips or salad?' 'I ................... chips, please.'
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Krzyzowka genetyczna:Włosy nie rude to cecha dominujaca. Heterozygotyczna matka o włosach nie rudych , a ojciec o włosach rudych. Ustal kolor włosów ich potomstwa.Prosze z wyjasnieniem !!!!
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Napisz recenzje Lalki Boleslawa Prusa w okolo 10 zdaniach.
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Write down: 1 two things you definitely intend to do this week.......................................................................................................................................................................................2 two things you'll probably do this week......................................................................................................................................................................................3 two predictions.......................................................................................................................................................................
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Zad.1Oblicz ile gramow wodorotlenk sodu potrzeba do zobojetnienia 300g 10-procentowego roztworu kwasu azotowego (V)Zad.2Na zmiareczkowanie 50 cm3 roztowru wodorotlenku sodu zuzyto 30 cm3 0,1-molowego roztworu kwasu siarkoego (VI) . Oblicz stezenie molowe roztworu wodorotlenku sodu.
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Zad.Oblicz ile moli kwasu siarkowego (VI) potrzeba do zobojetniania 500 cm3 0,2 mola roztworu KOH.Zad.Okresl jaki bedzie odczyn roztworu po zmieszaniua) 3 moli HCl i 2 moli NaOHb) 4 moli H2SO4 i 3 moli NaOHZad.Oblicz ile gramow Hcl potrzeba do zobojetnienia 200 g roztowru NaOH o Cp=5% .
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Zad.1 Read the letter and answer the questions. 18th May 2011 45 Loxley Close Dartingford Kent BR33 6TYOsako Electronics48b Oxford StreetLondonDear Sir or MadamI am writing to complain about an MP3 player that I bought from your shop in Oxford Street last week.Although the sound quality is excellent, the instructions on the screen are in Japanese and I can't understand them.I am returning the MP3 player with this letter. I would be grateful if you could repair the fault or replace the MP3 player.I look forward to hearing from you.Yours faithfullyAlison Trout1)What is the full name of the person who wrote the letter?The full name of the person who wrote the letter is ....................2)What item is she complaining about?She is complaining about ..................3)In what month and year did she buy it?She bought it in ......................4)What does she think of the sound?She thinks that ..........................6)What is she enclosing with her letter?With the letter she is enclosing .....................
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Modele matematyczne torów kropli wody tryskającej z fontanny są fragmentami paraboli o równaniach: y=-2/3x²+3x,y=-3/5x²+2x, y=-1/4x²+x, lezacych w róznych płaszczyznach,gdzie x jest odległością mierzoną w poziomie kropli wody od środka fontanny (punktu 0,0) oraz y jest wysokością, na której znajduje się kropla wody nad ziemiąa) które równanie opisuje tor, po którym krople spadają najdalej od fontanny?b) które równane opisuje tor, po którym krople wznoszą się najwyżej?
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Zad.Choose the best answersAt the age of 19, an American student called Ron Steen decided to put a very unusual item up for sale on eBay: his own future. Or to be precise, 2% of his future earnings. He needed the money to pay for his university studies. This was how he described the offer: 'After I complete my education, I plan on making at least 30 million dollars in my lifetime. When I meet my goal, you will make six times your original investment.'Ron claimed the sale was a fantastic bargain because he was a very talented and intelligent person; he was certain to become a millionaire. But some people had doubts about the truth of his description. For example, he said his score in a national maths exam was 900. In fact, the exam was out of 800 – so perhaps his maths was not so good! And in the end, eBay decided that his auction was against the rules and stopped it. Ron's father lent him the money for university. However, the story about Ron Steen's auction appeared in the news on TV and the Internet all around the world. So perhaps he has a successful future in advertising!1What did Ron Steen try to sell on eBay?a)2% of everything he ownedb)2% of the money he planned to earn in the futurec)his university qualificationd)the chance to study at university2According to Ron Steen, why was it a bargain for the buyer?a)His future earnings were certain to be millions.b)He was happy to accept a low bid.c)The buyer only needed to pay 800–900 dollars.d)The buyer was certain to be on TV.3Why did some people question Ron's claims about his own abilities?a)They knew he was not an honest personb)People always lie about their abilities.c)He made spelling mistakes in his description.d)He claimed to have a score in a maths exam that was not possible.4The auction did not take place becausea)Ron decided he didn't want to sell his own future.b)the auction site decided not to allow it.c)the bids were not high enough.d)his father decided to lend him the money.5The story shows that Ron Steena)is good at creating free advertising.b)is certain to do very well at university.c)is certain to appear in news reports for many years.d)has a future working for an Internet company.Do tesktuWhat do you think of Ron Steen's idea? Complete the sentence with your own opinion.I think it was a .......... (good/bad) idea because .............Zad.Write a sentence about something you would like to buy on an auction website and a sentence about something you would like to sell.1I'd like to buy ........because ................ .2I'd like to sell ........... because ..............
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Napisz jak najwiecej stereotypow do kazdego :sterotyp rosjanina-II- francuza-II- polaka-II- wlocha-II- norewga-II- niemca
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Dokoncz zdania < 2 argumenty>I would like to be a stunt artist because …I wouldn't like to be a stunt artist because …
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Napisz tekst o filmie ktory zobaczyles/as . Uwzglednij:• the story • the acting • the special effectsTekst ma zawierac od 30 do 50 slow.Prosze o pomoc potrzebuje to na jutro!!!!!!!!!
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Podaj 6 przykladow zorganizowania czasu wolnego dla biednych dzieci przez wladze lokalne
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Sytuacja: Ojciec do corki: Ja w twoim wieku mialem 3 corki. Corka: Ja skoncze studia zrobie kariere i zaloze rodzine.Pytania:1.Okresl zjawisko spoleczne,ktore ilustruje ta rozmowa.2. Wskaz przyczyny wystepowania tego zjawiska.
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Jaka mase ma roztwor , ktory zawiera 120 g Pb(NO3)2 skoro jest to roztwor nasycony w temperaturze 20 stopni C.
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W jaki sposob , stosujac odpowiednie metody mozna rozwiazac konflikty miedzy:a) corka a rodzicami o mozliwosc samodzielnego wyjazdu na wakacjeb)uczniem a nauczycielem o sposob uberania siec)konkurencyjnymi firmami o sposob pozyskiwania klienow
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Napisz wypracowanie na min. 250 slow na wybrany temat:1.Czlowiek srednowieczny a czlowiek XXI wieku - podobienstwa i roznice2.Film jako dopelnienie dziela literackiego.3.Bohater tragiczny.Przedstaw przyklady na podstawie poznanej literatury.Prosze o pomoc!! Nie ma to byc sciagniete z innych stron.
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Jak role odgrywa muzyka w twoim zyciu? Prosze bardzo o pomoc!Musze miec to na 3/4 strony A4
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Oblicz mase jaka stanowi 50cm3 gazowego wodoru w warunkach normalnych.50 cm3=0,05dm3
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1.Na czym polega estetyzacja zycia codziennego?2.Jak rozumiesz haslo "kazdy artystą"?Prosze o pomoc w tych dwoch zadaniach. Daje NAj:*
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Wyobraz sobie ze jestes wizytatorem(papieskim albo biskupim) koscielnym w wymyslonej parafi,opisz problemy jakie tam zachodza.Dodaj ocene stosunkow panujacych w kosciele?Wszystko ma byc zmyslone. Z gory dzieki:)
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