Решите пожалуйста это демо версия контрольной и хотелось бы написать на 4-5. Created by Катя167kiti. algebra-ru

1a)16x^10y^4*x^6y^3=16x^16y^7b)x²-2xy+y²+4x²-y²=5x²-2xy2a)3n(3-n)b)(n-7)(n+7)3)Строишь точки (7;0) и (0;7),проводишь прямую.4{x-y=9/*2⇒2x-2y=18{5x+2y=17прибавим7x=35x=55-y=9y=-4(5;-4)5х-скорость по проселочной дороге,х+10-по шоссе3х+0,5(х+10)=1103х+0,5х=110-53,5х=105х=30км/ч-по дороге30+10=40км/ч-по шоссеНовые вопросы в АлгебраАлгебра ДПА 9 класс 2 вариант 1.7Алгебра Мерзляк ДПА 9 класс 1.9 1 вариантАлгебра Мерзляк ДПА 9 классДопоможітьбудь ласка Знайдіть суму 100 перших членів послідовності аn, якщо ат = 2n+1Варіанти відповідей1020020400120001020a1=-5; d=6. Скільки треба взяти членів прогресії, щоб їх сума дорівнювала 35?Варіанти відповідей25730Помогите пожайлуста даю 70 балов!!!Верно ли,что если сумма a² + b²(a и b натуральные)делятся на 11,то числа a и b делятся на 11?Срочно с решениемПЛИСПлизХ - 38=378СпасайтеПредыдущийСледующийВместе мы знаем большеЭтот сайт использует cookies Политика Cookies . 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Решите пожалуйста это демо версия контрольной и хотелось бы написать на 4-5...

Катя167kiti @Катя167kiti

July 2022 1 0 Report

Решите пожалуйста
это демо версия контрольной и хотелось бы написать на 4-5

Answers & Comments

sedinalana

Verified answer

1
a)16x^10y^4*x^6y^3=16x^16y^7
b)x²-2xy+y²+4x²-y²=5x²-2xy
2
a)3n(3-n)
b)(n-7)(n+7)
3)Строишь точки (7;0) и (0;7),проводишь прямую.
4
{x-y=9/*2⇒2x-2y=18
{5x+2y=17
прибавим
7x=35
x=5
5-y=9
y=-4
(5;-4)
5
х-скорость по проселочной дороге,х+10-по шоссе
3х+0,5(х+10)=110
3х+0,5х=110-5
3,5х=105
х=30км/ч-по дороге
30+10=40км/ч-по шоссе