Предмет: Математика, автор: ivarvara1

Ширина прямокутника вдвічі менша,ніж довжина.Периметр прямокутника-18см.Знайди довжину прямокутника.

Ответы

Автор ответа: анжела230

1)18:4=4,5 это каждая сторона прямоугольника
следовательно довжина=5

Похожие вопросы

Предмет: Английский язык, автор: kanhevon

1) It sometimes (snows/is snowing) here in April.
2) It (snows/is snowing) now.
3) Every morning mother (cooks/is cooking) breakfast for us.
4) It is 8 o` clock now. Mother (cooks/is cooking) breakfast.
5) Every day father (leaves/is leaving) the house at half past eight.
6) Now it is half past eight. Father (leaves/is leaving) the house.
7) We often (watch/are watching) TV.
8) Now we (sit/are sitting) in armchairs and (watch/are watching) TV.
9) Sometimes Mike (does/is doing) his lessons in the evening.
10) Look at Mike. He (does/is doing) his lessons.
11) It often (rains/is raining) in September.
12) It (rains/is raining) now.
13) Every day the family (has/ is having) tea at 5 o` clock.
14) It is 5 o`clock now. The family (has/is having) tea.

1) It sometimes (snows/is snowing) here in April.
2) It (snows/is snowing) now.
3) Every morning mother (cooks/is cooking) breakfast for us.
4) It is 8 o` clock now. Mother (cooks/is cooking) breakfast.
5) Every day father (leaves/is leaving) the house at half past eight.
6) Now it is half past eight. Father (leaves/is leaving) the house.
7) We often (watch/are watching) TV.
8) Now we (sit/are sitting) in armchairs and (watch/are watching) TV.
9) Sometimes Mike (does/is doing) his lessons in the evening.
10) Look at Mike. He (does/is doing) his lessons.
11) It often (rains/is raining) in September.
12) It (rains/is raining) now.
13) Every day the family (has/ is having) tea at 5 o` clock.
14) It is 5 o`clock now. The family (has/is having) tea.

5 лет назад

Предмет: Алгебра, автор: pkucherenkopolina77

Разложите на МНОЖИтели:

3а^2 - зв^2 - а+в.

5 лет назад

Предмет: Геометрия, автор: burakovarita44

СРОЧНО ПОМОГИТЕ ПОЖАЛУЙСТА!!!

5 лет назад

Предмет: Алгебра, автор: BulkasKoricei

y=2x-2
найти значение переменной x, при которых y=0,y меньше 0

9 лет назад

Предмет: Математика, автор: kocharova79

Вычислите: 3 м 40 см+ 70 см - 20 см * 2 - 1 м 26 мм

9 лет назад