Решите первые два номера, пожалуйста. Created by kuzmichevdanil. algebra-ru

11)0,2x²=5x²=25x=-5 U x=52)1,1x(x-110)=0x=0 U x=1103)x²+6x+9-16=1-4x+4x²3x²-10x+8=0D=100-96=4x1=(10-2)/6=4/3x2=(10+2)/6=24)7*(x²+2x)=2(x²+24)7x²-2x²-14x-48=05x²-14x-48=0D=196+960=1156x1=(14-34)/10=-2x2=(14+34)/10=4,82х-1 сторона,у-2 сторона {x+y=47{xy=480по теореме Виетах=15 у=32 х=32 у=15Новые вопросы в АлгебраРозв'яжіть будь ласка!! СРОЧНО!ДАЮ 30 БАЛЛІВспростити вираз х6 •х3/х2спростити вираз х6*х3/х2Спростити вираз: (a + b)2 + (a - b)(a + b). 12розкласти множник на многочлен х2-16 Ви готуєте свою власну заправку для салату. Ось рецепт на 100 мілілітрів (мл) заправки. Салатне масло: 60 мл Оцет: 30 мл Соєвий соус: 10 мл Скільки мі…лілітрів (мл) салатного масла знадобиться, щоб зробити 150 мл цієї заправки? СРОЧНО ДОПОМОЖІТЬрозкласти множник на многочлен 7х2-14хпомогите пожалуйста решить это (с решением Розв'язати систему рівнянь:5x+6y=-202x+9y=25Спростіть вираз: (2x-7y)(3x+4)-15x²ПредыдущийСледующийВместе мы знаем большеЭтот сайт использует cookies Политика Cookies . 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Решите первые два номера, пожалуйста...

kuzmichevdanil @kuzmichevdanil

May 2022 1 8 Report

Решите первые два номера, пожалуйста

Answers & Comments

sedinalana 1
1)0,2x²=5
x²=25
x=-5 U x=5
2)1,1x(x-110)=0
x=0 U x=110
3)x²+6x+9-16=1-4x+4x²
3x²-10x+8=0
D=100-96=4
x1=(10-2)/6=4/3
x2=(10+2)/6=2
4)7*(x²+2x)=2(x²+24)
7x²-2x²-14x-48=0
5x²-14x-48=0
D=196+960=1156
x1=(14-34)/10=-2
x2=(14+34)/10=4,8
2
х-1 сторона,у-2 сторона
{x+y=47
{xy=480
по теореме Виета
х=15 у=32
х=32 у=15