Предмет: Математика, автор: michael24

на одной машине привезли 120 кирпичей,а на другой 154 таких же кирпича.масса кирпичей в первой машине на 136 кг меньше массы кирпичей во второй машине.найти массу кирпичей в каждой машине?

Ответы

Автор ответа: Санечка69

1) 154 - 120 = 34 (кирп.) - на столько больше кирпичей на 2-й машине
2) 136 : 34 = 4 (кг) - весит 1 кирпич
3) 120 · 4 = 480 (кг) - весят кирпичи на 1-й машине
4) 154 · 4 = 616 (кг) - весят кирпичи на 2-й машине
Ответ: 480 кг и 616 кг.

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Физика, автор: ulianapacora

Кут β між відбитим променем і даним перпендикуляром називають?

5 лет назад

Предмет: Алгебра, автор: karinababadzanova17

2. Визнач, чи належить графіку функції y = 5x – x2 точка A (4; 4). срочно

5 лет назад

Предмет: Английский язык, автор: swag6969

ПОМОГИ ПОЖАЛУЙСТА СРОЧНО,ДАМ ЕЩЕ 50 баллов за правильный ответ!!!!!!!!

1 After years as a classroom assistant, Alicia finally ………. a teacher.
A become B became C did became
2 ‘I know about the timetable changes.’
‘Oh, when ………. you?’
A they told B did they told C did they tell
3 Our friends were ………. in France at the time of the floods.
A living B live C liveing
4 Pablo and Pilar ………. at the same hotel as us.
A wasn’t staying B not staying C weren’t staying
5 Lucy called us with the news when we ………. dinner.
A prepared B were preparing C prepare
6 Although Sam spent four years studying maths, he ………. it very well.
A wasn’t understanding B didn’t understood C didn’t understand
7 My boss ………. to shout while we were discussing the sales figures.
A was starting B was started C started
8 We were at the academy together – Harry ………. to play the piano while I was learning to sing.
A learns B was learnt C was learning
9 Jeff was working for a medical company ………. he finished his PhD.
A when B while C as
10 Meredith ………. fluent Russian but she doesn’t any more.
A used to speak B used to speaking C use to speak
11 I recognise you – ………. to go to Kingston Girls’ School?
A use you B didn’t you use C don’t you used
12 My mother’s hair is grey now but she …….. have beautiful red hair.
A used to B would C had
13 When I lived in Bilbao, I ………. the Guggenheim Museum several times.
A would visit B visited C used to visit
14 Hilary ………. as a doctor in Bangladesh for eighteen months.
A used to work B would work C worked
15 Sony offered Neela a job before she ………. her degree.
A finish B had finished C was finishing
16 I had breakfast quite early, then I ………. to the bus stop and caught the bus.
A had gone B had went C went
17 We missed part of the concert because it ………. when we got to the hall.
A started B had started C hadn’t started
18 Tony ………. in China for long before the earthquake happened.
A hadn’t been working B hadn’t working C hadn’t been worked
19 We ………. all the museums hr the town by the end of the tour.
A visited B had visited C had been visiting
20 Sorry, I shouted at you. I was annoyed because I ……… problems with the computer all morning.
A had been having B was having C had

5 лет назад

Предмет: Математика, автор: Аноним

Помогите пожалуйста!!! Задача 6.
Заранее спасибо!!!

9 лет назад

Предмет: Математика, автор: Фри1

помогите плиззззззззззззззззз

9 лет назад