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arsenagadzhanin
arsenagadzhanin
15.05.2023 07:10 •  Математика

4. Реши уравнения.
48: х = 66 – 60​

👇
Ответ:
TheHonorGaming
TheHonorGaming
15.05.2023

\dfrac{48}{x} = 66 -60\\\\\dfrac{48}{x} = 6\\\\x = \dfrac{48}{6} = 8

4,8(67 оценок)
Ответ:
dan355
dan355
15.05.2023

Пошаговое объяснение:

48:x=66 – 60

48:x = 6

x = 48 : 6

x = 8

48 : 8 = 66 – 60

4,4(79 оценок)
Открыть все ответы
Ответ:
ROMMIT2
ROMMIT2
15.05.2023

Пошаговое объяснение:

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4,4(68 оценок)
Ответ:
анна2255
анна2255
15.05.2023

Смотрите.

1) Обозначаем t — сколько времени они шли в первый день, тогда (t-1) — сколько во второй.

2) Теперь следующее соотношение — про 6 километров. Пускай в первый день они км, а во второй день — s2, тогда нам дано:

s1-s2=6.

3) Вспоминая, что расстояние=время*скорость (s=v*t), подставляем в эту формулу вместо s1 и s2:

(3,5*t)-(3*(t-1))=6.

Упрощаем:

3,5t-3t+3=6;

0,5t=3;

t=6.

ответ: Таким образом, в первый день они шли 6 часов. Во второй день — 6-1=5 (часов во второй день — 3*5 = 15 (км)

Пошаговое объяснение:

4,7(15 оценок)
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