Предмет: Математика, автор: olynuchykevangelina

(5•x)•47=705
(y-4171):7=81
помогите пожалуйста !(​

Ответы

Автор ответа: anorexty
0

Ответ:

1) 5х•47=705

235х=705

х=3

2) у-4171=81•7

у-4171=567

y=567+4171

у=4738

Автор ответа: immuram84
0

Ответ: в первом-3, во втором-4738

Пошаговое объяснение:

первое-

5X*47=705

5X=705:47

5X=15

X=15:5

X=3

второе-

(y-4171):7=81

y-4171=81*7

y-4171=567

y=4171+567

y=4738

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Литература, автор: uliarassoha8
Хто є хто? Заповніть таблицю. Ім'я героя Хто такий Лаерт Фортинбрас Гертруда Гамлет Полоній Клавдій Розенкранц Гільденстерн Офелія Горацій
Помогите пожалуйста!!!!!!
11 месяцев назад
Предмет: Английский язык, автор: shohjahonxushboqov65
Choose the sentence (A, B or C) which means the same as the first sentence.

1 We have to pay the electricity bill before Friday.
A We can pay it if we want to.
B We must pay it.
C We've already paid it.
2 You don't need to buy me a birthday present.
A You must buy me a birthday present.
B It's not necessary to buy me a birthday present.
C You mustn't buy me a birthday present.
3 I have to do some work on my project this evening.
A l haven't got time to do the work.
B I've already done the work.
C I need to do the work.
Lenny didn't have to see the head teacher after all.
A lt wasn't necessary for Lenny to see the head teacher.
B Lenny went to see the head teacher.
C Lenny is waiting to see the head teacher.
5 Students mustn't run in school buildings.
A They can run if they want to.
B Students don't like running.
C Running isn't allowed.
6 All passengers must fasten their seatbelts.
A They have to fasten their seatbelts now.
B They don't have to fasten their seatbelts.
C They can fasten their seatbelts.
7
Mr Reed had to go to the police station to answer some questions.
A Mr Reed was able to go to the police static B Mr Reed forgot to go to the police station.
C Mr Reed was obliged to go to the police station.
8 It's kind of you to offer to help, but you really don't need to.
A l don't want you to help me.
B Your help isn't necessary.
C You won't be able to help me.
11 месяцев назад
Предмет: Английский язык, автор: rozovenkoviktoria0
In this activity you will be graded on capitalization (lowercase and UPPERCASE).
Example: i think james isn't fun. X I think James isn't fun. V
My dad play basketball every Saturday with friends from his work.
My dad plays basketball every Saturday with friends from his work
1. 1.We always are tired after school.
2.
2 1.My brother don't like reading books - he prefers video games
2...
3 1.Mike has never lunch at school, so he is always hungry by 3.30 p.m.
2.
4 1Erin doesn't watches television very often because she thinks it's boring.
2….
5 1.What kind of music you listen to when you want to relax?
2…..
11 месяцев назад
Предмет: Алгебра, автор: HK2003
ПОМОГИТЕ ПОЖАЛУЙСТА С ЗАДАНИЕМ! (решала, решала, сказали, что получилось не правильно, - √21/5) Требуется найти sinα , если cosα = 0,4 и 3/2π < α < 2π.​
6 лет назад
Предмет: Химия, автор: Glebm28
8. Напишите уравнения реакций окисления сложных веществ: а) СН4; б) Н2S.
6 лет назад