Предмет: Математика, автор: angelok5268

периметр треугольника 22,8 см. Одна сторона треугольника в 3 раза меньше второй сторы, а третья на 6 см боольше второй. Найдите каждую строну треугольника.

Ответы

Автор ответа: Artur1897

Пусть х-первая сторона
х+3х+3х+6=22,8
7х=22,8-6=16,8
х=16,8/7=2,4см
3х-вторая сторона =3*2,4=7,2см
3х+6-третья=13,2см

angelok5268: А от куда ты взял вторую 3х?

Artur1897: первая в три раза меньше второй

Artur1897: первая-х вторая-3х

angelok5268: аааа ну спасибо))))

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: Аноним

Ребята помогите срочно!!!! Это к/р по английскому

The Cheap Apartment A. I don't want a new apartment.
B. The company builds the skyscraper behind the old building.
C. Jean's apartment is in an old building.
D. Her son sends her this sum of money every month.
E. Every day the people come back with more money.
F. Some people from the company visit Jean.
G. The skyscraper has an old building in front of it.
Jean Herman lives in an apartment in New York City. Jean's apartment is small, but she likes it. The apartment is cheap; Jean pays only $200 a month. (1) One day a big company buys the old building. The company wants to tear down the old building and build a skyscraper. (2) "We're going to tear down this building," the people tell Jean. "So, you have to move. Here is a check for $50,000. You can find a new apartment —a big, beautiful apartment." "(3)" Jean says. "I like this apartment. I'm not going to move," Jean doesn't take the check. The next day the people come back with a check for $ 100,000. Jean doesn't take .the check, "I'm not going to move," she says. (4) Jean doesn't take their checks. Finally the people come with a check for $750,000. "Please take the money and move," the people say. "I'm not going to move," Jean says. "Not for $750,000. Not for a million dollars. Not for ten million dollars. I like this apartment. It's my home." Jean doesn't move, and the company doesn't tear down the building. (5) And so, on East 60th Street in New York there is an unusual skyscraper. (6) Jean Herman lives alone in the old building. Her apartment is small, but Jean likes is. The apartment is cheap; Jean pays only $200 a month.

Задание: Расставить 6 номеров предложений с 6 буквами ( их 7-1 из них неверный)

2 года назад

Предмет: Қазақ тiлi, автор: Мярр

Помогите по казахскому срочно пажалуйста

2 года назад

Предмет: Английский язык, автор: kirill07052007

помогите пожалуйста(((

2 года назад

Предмет: Математика, автор: Аноним

3 в альбомах 64 фотографии в первом 14 фотографии во втором 23 сколько фотографии в третем альбоме

8 лет назад

Предмет: Английский язык, автор: milena120945

Помогите пожалуйста 2 задание

8 лет назад