Ответ по предмету Математика: У парку хлоп'ята посадили 4 ряди беризок ,по 3 в кожному ,та 9 ялинок .скильки всього дерев посадили хлоп'ята

Предмет: Алгебра, автор: Аноним

Подайте выражение (3х – 4)(3х + 4) в виде многочлена:
а) 9х2 - 16 ; б) 9х2 + 16; в) 3х - 16; г) 3х2 - 16

5 лет назад

Предмет: Информатика, автор: and15975300000000000

перевести с паскаля на питон срочно!!!!
код:
var n: integer;
a, x, y1, y2, e: real;
begin
write ('a, x, e = ');
readln (a, x, e);
y1:=a;
y2:=0.5*(y1+x/y1);
n:=2;
while abs(sqr(y2)-sqr(y1)) > e do
begin
inc(n);
y1:=y2;
y2:=0.5*(y1+x/y1);
end;
writeln ('Первый номер члена последовательности = ', n);
end.

5 лет назад

Предмет: Английский язык, автор: mrflejk007

Помогите пж
31. Today smoke from power stations ___ atmospheric pollution.
a) are causing b) have been causing
4
c) is causing d) were causing
32. Recently the world’s climate ___ less stable.
a) has become b) have become
c) having become d) become
33. It ___ since early morning.
a) have been raining b) to have been raining
c) are raining d) has been raining
34. The officials ____ Britain’s universities some freedom from state control next year.
a) will give b) gives
c) gave d) have given
35. In a minute the children ___ the fantastic world.
a) were visiting b) will visiting
c) will be visiting d) have been visiting
36. The travelers on horseback ___ the Blue Mountains by tomorrow midnight.
a) will have been reaching b) will has reached
c) will reach d) will have reached
37. Anne ___ her course paper for three month by next March.
a) has written b) will have been writing
c) write d) will write
38. The silent era in film production ___ in 1929.
a) ended b) end
c) have ended d) will end
39. In the 20th century the world ___ .
a) have modernized b) was modernize
c) was modernizing d) were modernizing
40. By 1984 Spielberg ___ his own independent production studio.
a) had established b) have established
c) had been establishing d) had establish
41. It was reported that the government ___ some revolutionary changes in the country’s
classrooms.
a) have been experimenting b) had been experimenting
c) had to be experimenting d) have to be experimenting
42. Europeans believed that new Europe ___ with all its problems.
a) will cope b) have coped
5
c) will have coped d) would cope
43. In Britain paper production ___ in 1495.
a) has been introduced b) to be introduced
c) are introduced d) was introduced
44. Wood pulp paper ___ in Chine around AD 105.
a) have been produced b) being produced
c) was produced d) produced
45. A passenger said that the hostess ___ them that a hijacker with bombs had in the cockpit.
a) tells b) is telling
c) had told d) has told
46. During the stand-off, Turkish television showed interviews with passengers who ___ via
mobile phones.
a) spoke b) speak
c) are speaking d) has spoken
47. It was a useless thing ___ it.
a) to have done b) to doing
c) have done d) to have been done
48. The United Nations Assembly ___ its annual sessions from September to December.
a) known to hold b) know to hold
c) is known to being hold d) is known to hold
49. The archaeological finds made specialist ___ happy.
a) to feel b) feel
c) to have felt d) to be feeling
50. Some people can tell the future ___ at cards.
a) at looking b) in looking
c) by having looked d) by looking
51. Tattoos are permanent; think twice ___ a dragon on your hand.
a) by tattooing b) in tattooing
c) with tattooing d) before tattooing
52. Constant wars had ___ effects on the people of the 20th century.
a) shock b) shocking
c) having shocking d) be shocking
53. At the college the student ___ the Professor ___ about human rights violations.
a) hears…speaking b) heard…spoken
c) hearing…speaking d) heard…speaking
6
54. Some people ___ communicate telepathically with each other.
a) has to b) dares
c) can d) needs to
55. Television ___ be a splendid medium of communication.
a) may b) can
c) had to d) should
56. In New York any time of day or night you ___ go in any shop and buy anything you want.
a) must b) need
c) may d) can
57. It never would have happened if I ___ you.
a) would not have met b) will not meet
c) have not met d) had not met
58. You will be late for the plane unless you ___ a taxi.
a) will take b) take
c) would take d) taking
59. In Britain cigarette advertising has been banned on television, ___ ?
a) haven’t it b) have it
c) has it d) hasn’t it
60. ___ to be a poor way of spending a holiday fifty years ago?
a) What is considered b) What was considered
c) What did consider d) What has been considered
61. In the early 1960s President Kennedy said that the U.S. men ___ on the Moon.
a) will land b) land
c) would land d) landed
62. Ronald Reagan made the American people feel better having assured them that America’s
“best days” ___ , not behind.
a) will be ahead b) were ahead
c) have been ahead d) are ahead
63. Shortly before leaving his post President Nixon said that Watergate ___ the bankruptcy of
the US system.
a) will demonstrate b) demonstrates
c) has demonstrated d) had demonstrated

5 лет назад

Предмет: Математика, автор: vikylaklimova2015

Решите 6 и 10 вариант. С решением. Срочно!!!

8 лет назад

Предмет: Математика, автор: stepan22800

на одной ферме 112 коров а на другой 95. На второй ферме при одинаковой норме ежедневно расходуют сена на 272 кг меньше чем на первой. Сколько сена расходуют в день на каждой ферме?

8 лет назад

У парку хлоп'ята посадили 4 ряди беризок ,по 3 в кожному ,та 9 ялинок .скильки всього дерев посадили хлоп'ята

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