Love you ❤️️
Объяснение:
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
Love you ❤️️
I'm on my way ️
I'm on my way ️
I'm on my way ️
I'm on my way ️
I'm on my way ️
I'm on my way ️
I'm on my way ️
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
SAY YOU ARE MY BAKA
Пусть x ч — время мотоциклиста от А до С, тогда расстояние от А до С равно 90x км.
Автомобиль от А до С затратил на 1 час больше, т.е. (x+1) ч, тогда скорость автомобиля на участке от А до С равна 90x/(x+1) км/ч.
Расстояние от С до В равно (300-90x) км. Когда мотоциклист вернулся в А, автомобиль прибыл в В, то время, затраченное автомобилем от С до В равно x ч, следовательно скорость автомобиля на участке от С до В равна (300-90x)/x км/ч.
Так как скорость автомобиля на обоих участках постоянная, получим уравнение:
90x/(x+1) = (300-90x)/x
90x^2 = 300x + 300 — 90x^2 — 90x
6x^2 — 7x — 10 = 0
D = 289
x1 = 2 (ч) время мотоциклиста от А до С
x2 = -5/6 (не удовлетворяет условию задачи)
1) 90·2 = 180 (км) — расстояние от А до С.
ответ: 180