Постройте график функции y= - |x2 + 2x - 3|

боковое ребро правильной шестиугольной пирамиды равно корень из 3 см, оно наклонено к плоскости основания под углом 60 градусов. вычислите объем пирамиды!!!!!!

поезд вышел с вокзала 17 марта в 21.45 и прибыл в пункт назначения 19 марта в 4 ч утра .сколько времени поезд был в пути ?

помогите с заданием:

Use the words given in CAPITALS at the end of each line to form a word that fits the space in the same line.

TOURISM IN BRITAIN

Every year more than eleven million tourists visit Britain. In fact,

tourism is an (1)___ industry, employing thousands of people.                                                                                                                             IMPORTANCE

Most (2)___ come in the summer months when they can expect                VISIT

good weather.

Tourists (3)___ spend a few days in London, then go on to                       USUAL

other well-known cities.

Perhaps the least visited places in England are old (4)___                          INDUSTRY

towns.

But many people think that nineteenth-century cities show

the (5)___ reality of Britain.                                                                               WONDER        

The cheap, concrete  (6)___of the 1960s look old and dirty                                   BUILD

but for adventurous (7)___ these cities are full of life and colour.                          TOUR