-
в наборе 22 детали, из которых 4 бракованных. Какова вероятность при случайном отборе взять: а. качественную деталь b. бракованную деталь?
-
Предмет:
Математика -
Автор:
sugar4pqm - 5 лет назад
-
Ответы 1
-
22-4=18 не бракованных деталейвероятность взять бракованную = 4\22 = 0,18вероятность взять не бракованную = 1-0,18=0,82
-
Автор:
zaviermcintyre - 5 лет назад
-
0
-
-
Добавить свой ответ
Еще вопросы
-
Which of the functions doesn't belong to travel agencies?
a. Help people to arrange trips.
b. Plan sightseeing tours.
c.Help people to pack up things-
Предмет:
Английский язык -
Автор:
shelbymercer - 5 лет назад
-
Ответов:
1 -
Смотреть
-
-
помогите пожалуйста срочно!!!!!
Exercise 2.
Make nouns from the words in brackets using suffixes -ment, -ing, -ity or -ist.
1)They stared in ___. (amaze)
2)Terrible ___ broke out in the streets. (fight)
3)A person skilled or employed in telegraphy is called a ___. (telegraph)
4)The directive required equal ___ for men and women in social security schemes. (treat)
5)He was a real ___. (moral)
6)Creation belongs to eternity and ___to time. (develop)
7)Her cheeks were flushed with ___ (excite)
8)She showed increasing signs of ___. (labile)
9)Their company need a ___ (technology)
10)This campaign is one of the most successful in the history of___. (advertise)
Exercise 3.
Make questions from the following sentences. Begin with “How…”
1)They have been sweeping the floor since morning. – How …?
2)It will take her half an hour. – How…?
3)You are speaking too fluently. – How…?
4)The book was really interesting. – How…?
5)This table is tree meters long. – How…?
6)I feel good. – How…?
7)We have made a lot of money. – How…?
8)This word is pronounced like this. – How…?
9)Their holidays were amazing! – How…?
10) They performed excellently. – How…?
Exercise 4.
Open the brackets and put the verbs into Past Simple.
1)We _______ them to our party but they ______. (invite, not come)
2)This house _____ a lot of money ten years ago. (cost)
3)____ it ___ yesterday? (rain)
4)I _______ the film which I _____ at the week-end. (not enjoy, see)
5)I _____ enough time to write a letter. (have)
6)I _____ really angry with her. (be)
7)Why ___ you ___ me on Tuesday? (not phone)
8)We _______ her to the party, so she _____. (not invite, not come)
9)Yesterday morning he _____ early. (wake up)
10)Yesterday Tim _____ to work. (walk)-
Предмет:
Английский язык -
Автор:
bearwatson - 5 лет назад
-
Ответов:
3 -
Смотреть
-
-
Из вершины развёрнутого угла FAN проведены два луча AK и AP так, что ∆NAP= 110°, ∆FAK= 132°. Вычислите градустную меру угла PAK.
-
Предмет:
Математика -
Автор:
melinaolsen - 5 лет назад
-
Ответов:
1 -
Смотреть
-
-
составьте словосочетание или предложение с иноязычными словами в которых пишется о после шипящих шомпол шоколад шоссе шофёр жонглер
-
Предмет:
Русский язык -
Автор:
brighton - 5 лет назад
-
Ответов:
1 -
Смотреть
-
Топ пользователей
-
Fedoseewa27
35934 -
Askold
2792 -
Pikachu
2228 -
hobbesbowers
2116 -
kaylynnbarron676
1818 -
女fei
1240 -
yulia-kaplina
1158 -
Poinntt
946 -
Bars
930 -
Queenmagic18
770
How much to ban the user?
1 hour
1 day
100 years