Предмет: Математика, автор: mansik77

Помогите пожалуйста разобраться!​

Приложения:
Аноним: можно почетче
Аноним: ничего не видно только цыфры
Аноним: цыфры
Аноним: сори *цифры
mansik77: ок

Ответы

Автор ответа: gobtasher
1

Ответ:

Пошаговое объяснение:

Пусть x - скорость автобуса, тогда скорость гр. машины = x + 18

Т.к s = 308км , t = 2ч , то сост-ем ур-е:

2(x+x+18) = 308       разделим на 2

2x + 18 = 154

2x = 136

x = 68(км/ч) - скорость автобуса

скорость гр. машины = x + 18 = 68 + 18 = 86(км/ч)

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: красная678
Переведите пожалуйста,без переводчика
1.Её отправили в больницу два дня назад 
2.Вчера нас послали в лабораторию 
3.Мою подругу каждый год посылают за границу
4.Это письмо можно написать на одном листе 
1 год назад
Предмет: Другие предметы, автор: мяугавква
составить предложение со словами даю 13 баллов:
1. Посетитель
2. спорить
3. Спор
4. Сельское хозяйство
5. раненый / повреждённый
6. служить обслуживаль
7. Краткий
8. Собор
9. Ручей
10. Ручей
11. Поступать в колледж
1 год назад
Предмет: Английский язык, автор: 201220122012
Переведите пжл текст на русский язык,только прошу не с переводчика.
deshi turned off the computer and opened his english book but it was difficult to concentrate on irregular verbs.he couldn't stop thinking about the girl in the building opposite.she had beautiful eyes.he opened his bedroom window and looked across the street.herr window was open too and he could hear her practising classical music on her violin. she was very good."she probably hates rock music!"trought Deshi."have you finisher your homework?"Deshi's mum opened the door."Quick!dinner is in half an hour!"he wasn't hungry.Deshi couldn't sleep than night and he was late for school the next morning.He ran out of the house and there she was.She was sitting in her dad's car with the window open.Deshi dropped his schoolbag and she turned to look an him.He couldn't move.Her eyes were green.He'd never seen aneone with green eyes before.He smiled at her but she just stared at him like he didn't exist.Deshi could feel his face turning red.he picked up his bag and ran for the  bus.School didn't go well that day.He failed a maths test and the English teacher shouted at him for not concentraing.At lunch time,he wasn't hungry.The food in the cafeteria just made him feel sick.And then he had to stay late after school for extra English and missed the bus.He decided to walk home.He was crossing the park near his street,thinking about his school back in Shanghai and how he missed it.Then,he saw her.She was sitting on a bench with her dog."Oh no,she's seen me,'he thought.He waved at her but she just ignored him again.'Idiot"he said to himself.'Why did a wave?Now she really hates me."Later that evening,Deshi was practising his guitar with the headphones on.His friends in Shanghai thought he was very good but now he didn't want anyone to hear him playing.He was thinking about getting a a classical guitar when his mum came into the room.She had a letter in her hand."The postman made a mistake,"she said."This is for the building across the street.Can you take it over while I'm making dinner?""OK,mum "said Deshi.
1 год назад
Предмет: Математика, автор: Ayanaarmy
Реши неравенства 18-x<7 и y-34>86. С объяснением пожалуйста!:3
8 лет назад
Предмет: Математика, автор: kessamrr
длина комнаты 6 метров, ширина 2/5 длины, высота 3/5 ширины. Найдите объем комнаты. Плиз
8 лет назад