Предмет: Математика, автор: катюшка2612

Машина сначала проехала 455 км а затем еще 260 км с постоянной скоростью.Сколько часов машина была в пути если вторую часть она проехала на 3 часа быстрее чем первую?

Ответы

Автор ответа: Аноним

455-260=195 (км) -на столько меньше второй отрезок пути
195:3=65 (км/ч) - скорость авто
(455+260):65=11 (ч) была в пути машина

Автор ответа: катюшка2612

спасибо !

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: evaburkaeva

Срочно!! Пожалуйста переведите!!
to promise:to promise sb a present, to promise to come home
early. Did father promise to take us to the cireus on Sunday? The child
promised to behave well. - Say that you promise. - OK. I promise.
a promise (n): to make a promise, to break a promise, to keep a promise.
He is always making promises and then breaking them.
to the stadium to watch a football match on Friday? - Yes, it's a
Are we going
prom
solemn ['selam] (adj): solemn words, a solemn speech, solemn music, a solemn
promise. His words sounded so solemn, that I believed him. I give you a
solemn promise that I'll come back and help you.
solemnly (ado): to speak solemnly, to nod solemnly, to move solemnly
tremendous (tr'mendos] (ad): a tremendous idea, a tremendous scene, a tre-
mendous party. We walked through the forest of tremendous old trees.
What tremendous news! Have you ever seen such a tremendous view before?
to wave (werv] (u): to wave one's hand, to wave to/at sb. to wave in the
wind. We waved at our friends from the train. Mother waved goodbye to
us from the window.
to seem [sim] (u): to seem nice, to seem important, to seem like a good idea.
The temperature seems lower than it is. The medicine seems to be very
helpful. The story seems interesting, doesn't it?
to murmur ['mama) (): to murmur sth. If you murmur something, you say
it very quietly, so that not many people can hear what you are saying
The frightened boy could only murmur his name to the teacher.
to mumble ['mambl] (u): to mumble sth. If you mumble, you speak very qui-
etly and in such a way that your words are difficult to understand. Stop
mumbling, please. He mumbled something in answer to my question.
to bend [bend] (bent [bent), bent) (): to bend down, to bend over sth. to
bend one's head. She tried to warm her hands bending over the fire. The
boy bent his head, but said nothing. The strong wind made the flowers
bend to the ground.
a paw [p] (n): a cat's paw, the paw of a dog. They called their cat Socks
because it was a black cat with white paws. Tigers have paws.
weight (weit) (n): the weight of the roof. 20 kg in weight, to be of the same
weight. I'd like to know the weight of the vegetables, Bananas are usu.
ally sold by weight. To put on weight, to lose weight. If you want to lose
weight, you should eat less.
to weigh (well (c): How much do you weigh? Do you weigh 60 kilos? He
weighed the stone in his hand

6 лет назад

Предмет: Математика, автор: sofakozlova15

помогите пж сор дам 11 б

6 лет назад

Предмет: Геометрия, автор: turangodsg

Треугольник DОВ – равнобедренный, ВD – основание, ∠MDB = ∠KBD . Докажите, что ∠DМB=∠DKB
Помогите пожалуйста, дам 20 баллов

6 лет назад

Предмет: Литература, автор: неимеюзначения

в чем суть основного конфликта пьесы "Гроза"?

9 лет назад

Предмет: Алгебра, автор: sviridov5639

при каком значении Y значение выражения 8Y+2 больше значения выражения 5y+3 на 5

9 лет назад