Amonth ago you and your family moved house, so you had to go to a new school. write a letter to your former classmate about the following points: - what your new school is like and what you like/dislike abot it; - what the techers are like; - your new friend; - the thins you miss about your previous school. write a letter of at least 100 words. do not write any dates and adresses.

1/4 бас/час - наполняется через і трубу

1/6 бас/час - через іі трубу

1/4+1/6 =5/12 (бас/час) - наполняется двумя трубами

1-5/12=7/12 - бассейна останется наполнить после 1 часа совместной работы двух труб.

Northern ireland, integral part of the united kingdom of great britain and northern ireland, is situated in the northeastern portion of the island of ireland. northern ireland is bounded on the north and northeast by the north channel, on the southeast by the irish sea, and on the south and west by the republic of ireland. it includes rathlin island in the north channel and several smaller offshore islands. it is also known as ulster, because it comprises six of the nine counties that constituted the former province of ulster.the total area of northern ireland is 14,148 sq km. the shoreline is characterized by numerous irregularities and is about 530 km (about 330 mi) long. the major indentations are lough foyle in the north and belfast, strangford, and carlingford loughs in the east. a striking feature of the northern coast is the giant's causeway, a rock formation consisting of thousands of closely placed, polygonal pillars of black basalt. the country consists mainly of a low, flat plain in the approximate center of which is lough neagh, the largest lake in the british isles. other important lakes are lough erne and upper lough erne.the climate of northern ireland is mild and damp throughout the year.the most valuable natural resources of northern ireland are its fertile soil and rich pasturelands. natural waterpower is abundant. the chief minerals are basalt, limestone, sand and gravel, granite, chalk, clay, and shale; bauxite, iron ore, and coal also are found in small amounts.the capital and largest city of northern ireland is belfast. the other major city in northern ireland is londonderry. originally, northern ireland was culturally indistinguishable from the remainder of ireland. however, with the waves of colonization from england and scotland during the 17th century, the northeastern province of ulster evolved a distinctive cultural identity. there is a thriving theatrical movement in belfast, and much literary activity. belfast is the base of opera northern ireland, which presents seasons at the grand opera house in the city, and also tours the province. a ballet company is based in the capital, as is the belfast philharmonic society, one of britain's leading choral societies. the ulster symphony orchestra is among the leading orchestras of britain. queen's university hosts the annual belfast festival. northern ireland has two national museums: the ulster museum in belfast, which houses a collection of irish antiquities; and the ulster folk and transport museum in holywood, county down.

Dnepropetrovsk - a city in ukraine , the administrative center of the dnipropetrovsk oblast.in modern ukraine , as well as throughout its entire history , dnipropetrovsk is one of the most important political, industrial, financial , scientific and cultural centers. the population dnipropetrovsk is the fourth city in ukraine after kyiv , kharkiv and odessa.dnipropetrovsk with dnieprodzerzhinsk , novomoskovske , suburban , sinelnikovo, verkhivtseve , verkhnedneprovsk and villages and towns illarionov, kirov ( dnipropetrovsk region), petrikovka , gerbils, spassky , orlivschynoyu , walnuts , novoaleksandrovka , sursko -litovsk , salty, fountain , villages of the dnieper is agglomeration with a population of almost 2 million people. local governments are dnipropetrovsk city council, which is elected every 4 years in the amount of 120 deputies.in the elections for local councils in 2010 pro-government group led by the party of regions of ukraine strengthened its position in the city council from 93 to 104 deputies plus the ranks of the party of regions joined mayor dnipropetrovsk i.kulichenko .administrative areas of the city [ ed. • ed. code] in the 19th century, lots has been divided into 3 administrative part, determined by the action of three police units. first they had room: first second and third part . later it added definition of "police ." then the number of names have disappeared , replaced at the cathedral , dnieper . in 1897 it was decided to increase the number of parts of the city to 7: cathedral , dnieper , trinity , resurrection , alexander , bryansk kodatska and factory . in early 1920 , the city was divided into 5 areas including zadneprov'e : amour nizhnedneprovskiy , city (later kirov and then october) , railway , kodatska (later lenin ) and factory- chechelivskyy (later krasnogvardejskiy ). subdivisions of dnepropetrovsk , 2011since soviet times, there is a division of dnepropetrovsk into 8 administrative districts: 5 - and 3 on the right - on the left bank : amour nizhnedneprovskiy - left bank , established in 1918babushkinskiy - right bank , established in 1973 with the release of the kirov , october and krasnogvardeyskoe areasoctober - right bank , established in 1936 with the release of the kirov region , but the prototype area - cathedral police existed since the founding of the cityindustrial - left bank , established allocation of cupid nizhnedneprovsk area in 1969.kirov - right bank , established in 1932, but the prototype area - dnipro police units existed in the 19th centurykrasnogvardejskiy - right bank , established in 1933 , before the revolution, there existed from 1897 plant of the policelenin - right bank , established in 1920 under the name kodatska areasamara - left bank , established in 1977 and the cities dnieper ihreni and the eastern part of the industrial districtareas [ ed. • ed. code] parts of dnepropetrovskold cossack : right bank : taromske , suhachivka , diyivka , new kaydaky , polovitsa , mandrykivka , pilot heaterleft bank : col. samara ( p. shevchenko) berezanivka , heater , obuhivka , ihren ( ohren , ust -samara ) manuylivka , herons,yekaterinoslavskiye : nagorno center , camp (dacia) , mills, shlyahivka , chechelivka , krasnopolye, fishing ( fishersdorf ) yozefstal ( samarivka ), cupid, baraf ( vorontsovka ), sakhalin, sultanivka (old klochko ) lomivka , nizhnedneprovsk , though. m.klochko ( sultanivka )dnipropetrovsk construction : jm west , jm red stone (west new kodak ), jm komunar (village diyivka ), jm sail (part of the village. diyivky )) , prospect kirova avenue petrovsky ( chechelivka ) street work , 12 quarter korea ( jm builder ) , pos. peaceful , gagarin avenue ( old - villas , soviet university ) substation ( cottages , zh.m.1 may) , jm poplar, jm sokol, jm the victory mandrykivka , jm frunze ( lomivka ), jm left bank , borj street kalinovaya ( sultanivka ) prospect truth str. kosiora zh.m.sonyachnyy , node ( north and south ), zh.m.prydniprovskpopulation [ ed. • ed. code] as of january 1, 2013 the population of dnipropetrovsk was 1,000,157 people.