@PaulaMacedo

PaulaMacedo

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Para promover um baile, um clube fez o seguinte levantamento de gastos: Banda R$ 3 000,00 Decoração R$ 2 400,00 Iluminação R$ 400,00 Além dos gastos acima, o buffet cobrará R$ 35,00 por pessoa. O preço do convite individual é R$ 70,00. O número mínimo de convites que o clube deve vender para que o baile não dê prejuízo é: a) 165. b) 166. c) 168. d) 170. e) 175
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Boa noite, alguém pode me ajudar ?CH4(g) + 2O2(g) ----> CO2(g) + 2H2O(v) Se 8 g de metano reagirem com o oxigênio, a quantidade de gás carbônico, CO2, liberada para a atmosfera será de :
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Um automóvel percorre um trecho retilíneo entre duas cidades. Na primeira metade do trecho, ele possui velocidade média v e, na segunda metadendo trecho, ele possui velocidade média 2 v. Qual é a velocidade média em todo o trecho ?
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O motorista de um caminhão percorre a metade de uma estrada retilínea com velocidade de 40 km/h, a metade do que falta com velocidade de 20km/h e o restante com velocidade de 10km/h. O valor mais próximo para a velocidade média para todo o trajeto é de :
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Complete with question tags: a) it doesn't rain very often in mexico, ? b) people don't like to be criticized, ? c) the students didn't like my position, ? d) the birds had died, ? e) helen changed her mind, ? f)your CD wasn't new, ? g)this car is new ? h)the players don't play well ? i)there were tourists everywhere ? j) you can speak Spanish ? k)we will study history ? l)John washes the car on Saturdays, ? m)she doesn't clean the bathroom, ? n)peter must study ?
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Make sentences to these question tags: a) ____________, is she? b) ___________, aren't you ? c) _______________, don't they ? d) __________, did she ? e) ______________, aren't I ? f)_____________, does he ? g)___________, do they ? h)_______________, isn't it ? i)_______________,can't you ? j) _____________, has she ?
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Match the columns: a) IF a black cat crosses your patch b)IF you break a mirror c) IF we walk under a ladder d) IF you see a small spider, ( )we will have dab luck. ( )you will have seven years of bad luck. ( ) you will get a lot od money. ( ) you will have bad luck.
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Assinale a alternativa que preenche corretamente a lacuna da frase a seguir. If throw salt over my choulder, I_______ have good luck. ( ) would ( ) will ( ) were "If I_____ not a physicist, I would probably be a musician." ( ) was ( ) were ( ) be
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Find the correct alternative a) If+present+past b) If+past+would c) If+ past+will
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Choose the right alternative that completes each sentence. a) I will give Melissa your message if I (see) (will see) her in class. b) If I (have) (had) a bigger house, I would have a cat and a dog. c) If I (were) (is) you, I would stop eating junk food. d) If my friends (invite (invited) me to help them, I will say yes.
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Complete the setences: a) If had more time, I b) Id I save money, I
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Read the CAN DO setences choose one and translate: I can work with my hands. I can participate in active sports. I can work with plants and animals. I can remember pieces of music easily.
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