Terms for subject Mathematics containing people

English	Russian
geologic processes impose severe hazards upon people	геологические процессы подвергают людей большой опасности
many people, some of them with rather weak backgrounds in mathematics, solve numerically problems	многие люди, часть которых имеет довольно слабые знания в математике, решают задачи численно ...
over a hundred people	свыше ста человек
some people can hear sounds as high as 20000 cycles	до
there were about five hundred people there	приблизительно
this had led many people to believe that	поэтому считают, что
until quite recently, people believed elementary particles to be the simplest material bodies	до недавнего времени