Предмет: Математика, автор: elizavetakaidalova3

путь от пункта А до пункта Б велосипедист проехал за 5 часов а мотоциклист за 2 часа со скоростью мотоциклиста на 26, 1 км ч больше чем скорости велосипедиста Чему равно расстояние от пункта А до пункта Б решение пошаговое

Ответы

Автор ответа: kashrimma04

1

Ответ:

87 км

Пошаговое объяснение:

Скорость велосипед. = Х

Скорость мотоц. = Х+26.1

Так как расстояние которое они проехали равны, то (S=V*T)

5Х= 2(Х+26.1)

5Х=2Х+52.2

3Х= 52.2

Х=17.4 км. /ч скорость велос.

Находим расстояние:

S = 5*17.4 = 87 км

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Математика, автор: dayanalebedenko8

ОЧЕНЬ СРОЧНО! Построить геометрически отрезок x = корень 4 степеня из abcd. ДАЮ 30 БАЛЛОВ!

2 года назад

Предмет: Математика, автор: tnh84csrk5

общий вид первообразной f(x)=2x+3+cos^2x
СРОЧНОО

2 года назад

Предмет: Английский язык, автор: aktilektursdek

1.Choose the correct variant. Excuse me. ____________ I ask you a question?
A. Be able
B. Can
C. Have to
D. Must
E. Should
2.Choose the correct variant. I love all ice-cream, but _____ vanilla ice-cream.
A. Enough
B. especially
C. quite
D. nearly
E. later
3. Choose a sentence with a correct word-order:
A. I the shower have in a morning always.
B. I always have a shower in the morning.
C. I have always in the shower a morning.
D. I in a morning have always the shower.
E. Always I in the morning a shower have.
4. Choose the correct variant. He isn't very clever. His sister is much ____ _
A. clever
B. cleverer
C. cleverest
D. the cleverest
E. as clever as
5. Replace the pronoun in brackets with the correct pronoun: Don't ask (Ann) questions.
A. me
B. you
C. him
D. her
E. it
6. Choose the correct variant. _____________ do you live with? My mother and brothers.
A. When
B. Why
C. What
D. Who
E. Where
7. Choose the correct variant: Can you play ________ guitar?
A. the
B. an
C. a
D. –
E. some
8. Choose the correct form of the verb. There ___ any bookshelves.
A. isn′t
B. aren′t
C. am not
D. be not
E. being
9. Choose the correct variant. They ___ ___ a big house.
A. don’t have
B. doesn’t have
C. doesn’t has
D. has had
E. to do to have
10. Choose the correct variant. ___ you ___ to Mr. Brown last week?
A. did / talk
B. did / talked
C. do / talk
D. does / talk
E. talking
11. Choose the correct variant. My ____ son is my nephew.
A. sister's
B. sisters
C. sisters'
D. sister is
E. sister
12. Choose the correct variant. The Millbank Hotel is ___ the right.
A. in
B. on
C. at
D. under
E. between
13. Choose the correct variant. 20/5/2010
A. the twelfth of May, two thousand and ten
B. the twentieth of May, two thousand and ten
C. May twenty, two thousand and ten
D. May twelve, two thousand and ten
E. the twenty of May, two thousand and ten
14.Complete the everyday English conversation. Excuse me. What time does the bus leave?
A. At half past ten.
B. See you on Monday.
C. Sure! What's the problem?
D. Never mind. Come and sit down.
E. Thanks. Same to you.
15. Choose the correct variant. I played computer games ___.
A. now
B. on Saturday evening
C. next month
D. at this moment
E. next year
16. Choose the correct variant. They are studying maths today, they ______ physics.
A. are not study
B. is not studying
C. studies
D. studied
E. are not studying
17. Choose the correct variant. They are busy at the moment. ____ they _____ video games?
A. Are…playing
B. Do…playing
C. Am…playing
D. Is…playing
E. Have…playing
18. Choose the correct variant How many ____ do we need?
A. carrots
B. tea
C. coffee
D. yoghurt
E. milk
19. Choose the correct variant. ___ Sue ___ early last Saturday?
A. Did / get up
B. Do / get up
C. Does / get up
D. Are / getting
E. Is / getting
20. Choose the correct variant. Many students ____ to the lecture yesterday.
A) came
B) come
C) coming
D) comes
E) are coming

2 года назад

Предмет: Геометрия, автор: Аноним

5+5*8/4+80 СРОЧНО СРОЧНО СРОЧНО

8 лет назад

Предмет: Математика, автор: Anton815

Решите уравнение: 1568:(190-3х)=56

Подробно всё расспишите!!
Заранее спасибо!

8 лет назад