January 2019 1 30 Report
Potrzebuje rozwiązania tych zadań z wytłumaczeniem:
1.Oblicz V stożka o przekroju osiowym, który jest trójkątem równobocznym o boku 8cm.
2.Przekrój osiowy stożka jest trójkątem prostokątnym o polu równym 64cm kwadratowe. Oblicz pole całkowite stożka.
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Rozwiąż równanie [/tex] Proszę o rozwiązanie wraz z wytłumaczeniem i załączeniem odpowiednich wzorów do jego wykonania.
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Oblicz wartość n: 480=8n^2-4n
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Oblicz x wiedząc, że kolejnymi wyrazami ciagu arytmetycznego sa 2x-1, 4, 7
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Zadania w załączniku.
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Niech mi ktoś wytłumaczy to zadanie, a szczególnie to z skąd się wzięło te 6x, wiem że niby z wzoru skróconego mnożenia, ale totalnie tego nie rozumiem. Napisz wzór funkcji kwadratowej w postaci ogólnej Rozwiązanie: f(x)=-2(x+3)^2-4 f(x)=-2(x^2+6x+9)-4 f(x)=-2x^2-12x-18-4 f(x)=-2x^2-12x-22
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Find the mistake in each sentence and correct it.1.I'd do things differently if I have my life again.2.I'd buy a dog if I wouldn't live in a city.3.what you do if you saw an accident in the street?4.If Karla studied more,she would passed her exam.5.If I would had Pete's address,I'd send him a birthday card.6.People would understand me more easily if my english is better.7.what would you take you went on a cycling holiday in france?8.If you would had more time,would you read more?Complete the sentences with the correct second conditional form of the verbs in brackets.1.If I..............(have) some money,I.................(buy) this CD.2.My job..........(be) much easier if I...................(speak) Spanish.3.If he............(get) up earlier,he.......................(not be) late for work.4.I..................(feel) happier if my daughter.................(phone) more often.5.If you.............(not work) so hard,you........................(not be) so tired.6.I..................(do) an art course if I.............................(have) more time.7.If I...............(find) a wallet in the street,I.......................(take) it to a local police station.8.If I........................(fail) my exams,I.................................(retake) them in October.
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Zinterpretuj załączony w załączniku obraz.Weź pod uwage:-treść fotografii-kontekst-styl
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1.Complette the missing words.The first letter of each word is given. 1 The room feels much warmer now that we’ve got a thick c________ on the floor. 2 I always close the c________ when I watch TV during the day otherwise it’s too bright to see properly. 3 This m_______ cooks very quickly but I’m not sure it’s as healthy as a normal cooker. 4 Put dirty clothes in the w________ m________ and I’ll switch it on later. 5 My mum doesn’t like the word ‘toilet’. We always use ‘ l________’ in our house. 6 Our new chairs haven’t arrived yet so you’ll have to sit on a s________ in the kitchen. 7 I would like to have a s________ in my new flat, so I could look at the sky when I go to sleep. 2. Complete the missing words. The lines show you how many letters to use. An elegant apartment in a modern _ l _ c _ of flats. It is really 2 _ n _ x _ _ n _ _ v _ – flats like this usually cost over a thousand pounds a month. One of our most famous architects 3 _ _ s _ g _ _ _ the building and it looks just amazing. The flat is in the 4 _ _ n _ _ e of the city but the area is not as 5 _ o _ s _ as you might think. It has two bedrooms, a bathroom, a fully fitted kitchen and a comfortable 6 _ _ u _ _ where you can learn or work. The 7 _ w _ e _ is renting the flat for £800 a month 3 Complete the sentences with one word in each gap. The washing machine is more useful than the dishwasher. 1 The garage isn’t big __________ for our car and bicycles. 2 I’m afraid this house is __________ expensive for us. 3 The rooms upstairs aren’t __________ warm as the rooms downstairs. 4 Houses in the suburbs are cheaper __________ houses in the city centre. 4 Complete the gaps with the correct forms of the adjectives in brackets. Our new house is great! It’s the nicest(nice) house in the street. It’s much 1 _________(bright) and 2 _________(cheerful) than our old house. The neighbours aren’t as 3 _________(friendly) as Mr Turner but they’re very talkative. The house is in the suburbs. It’s much 4 _________(quiet) than where we used to live. In fact, some people say that it’s 5 _________(good) area to live in. The furniture was much 6 _________(cheap) than we expected, too. The old owners left the kitchen and bathroom furniture and it’s perfect! 5 Complet the sentences with the correct relative pronouns. Tick the sentences where the pronoun can be left out. Are these the blinds which/that you were talking about? 3 1 The man __________ house we are buying is a successful artist. 2 I’m trying to phone the man __________promised to cut our lawn. 3 That carpet __________ I bought last week feels really nice and looks great. 4 The housing estate __________ my brother lives is quite dangerous. 5 The actress __________ I saw in the city centre yesterday is beautiful and famous. 6 All the students __________failed the test have to take it again
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1 Complete the sentences with one word in each gap. I’m just going to chill out in front of the TV tonight.1 Don’t stay _________ late tonight or you’ll be too tired tomorrow.2 We’ve got fifty minutes to finish so let’s get _________ to work.3 That concert inspired me to come _________ with my own compositions.4 Can you find _________ who wrote these poems? They’re great!5 I was really fed _________ with work and decided to go on holiday.6 I’ll keep _________ writing novels until I win the Nobel Prize!2 Complete the gaps with the correct forms of thewords in capital letters. I didn’t know you were such a goodpainter (PAINT).1 You must be very _________(CREATE)to make all these clothes. 2 My English teacher gave me the _________(INSPIRE) to become a novelist. 3 You write so well, you should be a _________(POEM).4 I don’t want any _________(INTERRUPT) while I’m working. 5 It’s very _________(MYSTERY) that this play wasn’t a success. 6 My favourite _________(COMPOSE)is Mozart, I really enjoy his music.3 Complete the missing words. The lines show you howmany letters to use. I can’t believe the newspaper is going to p u b l i s h your story. That’s great.1 He has a very _ r _ _ t _ g _ o _ _ and wellpaid job – he’s a lawyer in an international company.2 I bought their CD after I saw them play _ i _ _. They were really good.3 This is a very _ _ n _ _ m _ _ t _ l song and it makes me cry every time I listen to it. 4 I feel very _ _ r _ s s _ _ about my exams and I don’t know how to relax.5 This is his phone number. Write it _ o _ _ before we forget it.4 Complete the gaps with the words in the box. Thereare two extra words that you do not need. after afterwards ago eventually first last later then whileThree weeks ago , I met a really nice girl at a party. We spent the evening chatting and found that we had a lot in common. When she left, I realised that I didn’t even know her name. I kept thinking about her 1_________ and felt really unhappy. 2_________, two weeks 3_________, I met her again 4_________I was shopping in the city centre. Her name was Monica, and this time I got her phone number. A few days 5_________ that, I rang her and asked her to go out with me. We went to the cinema 6_________ Friday and we had a lot of fun!5 Complete the conversation with the correct forms ofthe verbs in brackets. A Did you go (you/go) to the festival on Saturday?B Yes, we 1________________ (do) but we were a bit late. The bands 2________________ (play) when we got there. A 3________________ (it/be) fun?B Yes, but we got very wet.A Why? 4________________(it/rain)?B Yes, it was. All the time. And then Mike 5________________ (lose) his mobile phone.A 6________________ (he/find) it?B No, he 7________________ (have) to buy a new one.
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