Помогите мне пожалуйста)С решениями плиз. Created by малинка179. matematika-ru

#1т.к a||b,следовательно угол 1+угол 2=180°угол 1-xугол 2-x-40x+x-40=1802x=180+40|:2x=110°#2угол 2 =угол 1(вертикальные углы)т.к а||в,следовательно угол 1+угол 3=180угол 1=180-150=30°#3угол 1=угол 3(верт вертикальные)т.к а||в,следовательно угол 1+угол 3=180°угол 1-xугол 2-y{x/y=2/3{x+y=180{3x-2y=0{x+y=180|:2+{3x-2y=0+{2x+2y=3605x=360|:5x=7272+y=180y=180-72y=108Новые вопросы в Математикапомогите пожалуйста!!Наоми путешествует на интервью. Она путешествует машиной 1/3 своего пути.Она путешествует поездом 5/8 своего пути.Она идёт пешком…500 метров своего пути.Найдите длину этого пути в километров и распишите свой ответ.пожалуйста помогите мне срочно пж помогите пожалуйста аж помогите умоляю -х=-18,4 \ -х=-10 \ -х=4 2\9-х=4,2 / -х=-35 / -х=-1\9Помогите пожалуйста!!!!!1) [tex] |x| < - 7[/tex]2)[tex]5.6 < |x| < 9.2[/tex]пж срочно Одна сторона прямокутника дорівнює 20 мм, а інша на 25 мм довша за неї. Накресліть цей прямокутник. Зна-йдіть його периметр. Визначте, на скільки найб…ільша сторона цього прямокутника менша за його периметр.Даю 30 баллов. Решить уравнение(методом подстановки):[tex]x^4+5x^2(x-12)-6(x-12)^2=0[/tex]Помогите пожалуйста задачу надо сделать уравнениямПредыдущийСледующийВместе мы знаем большеЭтот сайт использует cookies Политика Cookies . 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\u0439\u043e\u0433\u043e \u043f\u0435\u0440\u0438\u043c\u0435\u0442\u0440."},{"id":49778715,"content":"\u0414\u0430\u044e 30 \u0431\u0430\u043b\u043b\u043e\u0432. \u0420\u0435\u0448\u0438\u0442\u044c \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435(\u043c\u0435\u0442\u043e\u0434\u043e\u043c \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438):\n[tex]x^4+5x^2(x-12)-6(x-12)^2=0[\/tex]"},{"id":49778705,"content":"\u041f\u043e\u043c\u043e\u0433\u0438\u0442\u0435 \u043f\u043e\u0436\u0430\u043b\u0443\u0439\u0441\u0442\u0430 \u0437\u0430\u0434\u0430\u0447\u0443 \u043d\u0430\u0434\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f\u043c"}] window.jsData.nearestQuestions = { next: { url: '/task/24867671', id: '24867671' }, prev: { url: '/task/24867669', id: '24867669' } } window.jsData.pubmaticAllowedForIp = true window.jsData.userLocationInfo = 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Помогите мне пожалуйста)С решениями плиз...

малинка179 @малинка179

July 2022 1 28 Report

Помогите мне пожалуйста)С решениями плиз

Answers & Comments

Flash3146 #1
т.к a||b,следовательно угол 1+угол 2=180°
угол 1-x
угол 2-x-40
x+x-40=180
2x=180+40|:2
x=110°
#2

угол 2 =угол 1(вертикальные углы)
т.к а||в,следовательно угол 1+угол 3=180
угол 1=180-150=30°
#3
угол 1=угол 3(верт вертикальные)
т.к а||в,следовательно угол 1+угол 3=180°
угол 1-x
угол 2-y
{x/y=2/3
{x+y=180
{3x-2y=0
{x+y=180|:2
+{3x-2y=0
+{2x+2y=360
5x=360|:5
x=72
72+y=180
y=180-72
y=108