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Дана система уравнений: {2a+b=15 −b+a=0 Вычисли значение переменной a. Смотреть ответ kocherijkapiva kocherijkapiva Ответ: {2a+b=15 −b+a=0 {2a+b=15 a-b=0 3a=15 a=5 Новые вопросы в Алгебра СРОЧНО!!! Приведите выражение к многочлену стандартного вида, используя формулы сокращённого умножения:(1/2m+4n)^2 5. Подайте тричлен у чигляді У зигляді квадрата двочлена: квадрата двочлена: а² + 8 +16.​ ДУЖЕ ТЕРМІНОВО! Розв'язати систему рiвнянь ​ СРОЧНО!!! Докажите, что при любом целом значении х значение выражения делится на 10. (3x-1)(3x+1)+(x-4)^2-2x+5 ПОМОГИТЕ ПОЖАЛУЙСТА С АЛГЕБРОЙ, СРОЧНО Предыдущий Следующий Вместе мы знаем больше Этот сайт использует cookies Политика Cookies . Вы можете указать условия хранения и доступ к cookies в своем браузере. КОМПАНИЯ Блог Карьера Условия пользования Авторское право Политика конфиденциальности Предпочтения cookie-файлов СООБЩЕСТВО Сообщество Brainly Brainly для школ и учителей Сообщество родителей Кодекс чести Правила сообщества Brainly Insights Стань помощником ПОМОЩЬ Зарегистрируйся Центр помощи Центр безопасности Договор о конфиденциальности полученной информации Установи приложение Brainly Скачай iOS-приложение Скачай для Android Школьные Знания.com PL: Brainly.pl ES: Brainly.lat PT: Brainly.com.br FR: Nosdevoirs.fr TR: Eodev.com RO: Brainly.ro ID: Brainly.co.id HI: Brainly.in PH: Brainly.ph US: Brainly.com (function() { window.process = window.process || {}; window.process.env = { NEXT_PUBLIC_PAYMENTS_ENDPOINT: "https://znanija.com/graphql/ru", NEXT_PUBLIC_HEADER_TOKEN_LONG: 'X-B-Token-Long', NEXT_PUBLIC_COOKIE_TOKEN_LONG: 'Zadanepl_cookie[Token][Long]', NEXT_PUBLIC_MARKET: "ru", NEXT_PUBLIC_BACKEND_MARKET: "ru", NEXT_PUBLIC_SPREEDLY_PKEY: "", NEXT_PUBLIC_PAYMENTOS_PKEY: "7a985100-4936-430e-83cf-af6ea914af9b", NEXT_PUBLIC_STRIPE_PKEY: "", NEXT_PUBLIC_BRAINTREE_PKEY: "", }; window.jsData = window.jsData || {}; window.jsData.domain = 'znanija.com'; window.jsData.siteName = 'Школьные Знания.com'; window.jsData.dateFormat = 'd.m.Y'; window.jsData.footerConfig = {"socialMedia":[{"icon":"youtube","url":"https:\/\/www.youtube.com\/channel\/UCQ929YFR7IGeKlv-nXn-Qug?view_as=subscriber","ariaLabel":"youTube link"}],"company":[{"titleTranslationKey":"blog_footer_link","url":"https:\/\/blog.znanija.com"},{"titleTranslationKey":"careers_footer_link","url":"https:\/\/careers.brainly.com\/"},{"titleTranslationKey":"terms_of_use_footer_link","url":"https:\/\/znanija.com\/pages\/prawila","noHref":true},{"titleTranslationKey":"copyright_policy_footer_link","url":"https:\/\/znanija.com\/avtorskoe-pravo"},{"titleTranslationKey":"privacy_policy_footer_link","url":"https:\/\/znanija.com\/pages\/politika_konfidentsialnosti"},{"titleTranslationKey":"cookie_privacy_footer_link","handlerKey":"cookie_privacy_footer_link"}],"community":[{"titleTranslationKey":"brainly_community_footer_link","url":"https:\/\/znanija.com\/soobshestvo"},{"titleTranslationKey":"for_schools_teachers_footer_link","url":"https:\/\/znanija.com\/shkola-i-uchitelia"},{"titleTranslationKey":"brainly_for_parents_footer_link","url":"https:\/\/znanija.com\/roditeli"},{"titleTranslationKey":"honor_code_footer_link","url":"https:\/\/znanija.com\/kodeks-chesti"},{"titleTranslationKey":"community_guidelines_footer_link","url":"https:\/\/znanija.com\/pravila-soobshestva","noHref":true},{"titleTranslationKey":"brainly_insights_footer_link","url":"https:\/\/brainly.com\/insights"},{"titleTranslationKey":"become_a_volunteer_footer_link","url":"https:\/\/znanija.com\/volontery"}],"helpColumn":[{"titleTranslationKey":"signup_footer_link","url":"https:\/\/znanija.com\/signup?entry=1","noHref":true},{"titleTranslationKey":"help_center_footer_link","url":"https:\/\/faq-ru.brainly.com"},{"titleTranslationKey":"safety_center_footer_link","url":"https:\/\/znanija.com\/centr-bezopasnosti"},{"titleTranslationKey":"responsible_disclosure_agreement_footer_link","url":"https:\/\/brainly.com\/responsible-disclosure-program"}]}; window.jsData.styleGuideAssets = { logo: { small: 'https://styleguide.znanija.com/images/logos/znanija-mobile-200611d052.svg', big: 'https://styleguide.znanija.com/images/logos/znanija-addd85e6f5.svg', plus: 'https://styleguide.znanija.com/images/logos/znanija-plus-337423fa26.svg' }, application_icons: { x180: 'https://styleguide.znanija.com/images/app-icons/znanija/180x180-1c0ebd78f4.png', } }; window.jsData.staticDomain = 'z-dn.net' window.jsData.displayAdsEnabled = false window.jsData.videoAdsEnabled = false window.jsData.newestQuestions = [{"id":53185394,"content":"\u0421\u0420\u041e\u0427\u041d\u041e!!! 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Answer 1

Вы задали несколько вопросов. Давайте по порядку рассмотрим каждый из них:

1. Приведение выражения к многочлену стандартного вида: Имеется выражение (1/2m + 4n)^2. Для приведения его к стандартному виду, воспользуемся формулой квадрата бинома:

(a + b)^2 = a^2 + 2ab + b^2

В данном случае, a = 1/2m, b = 4n. Подставим значения:

(1/2m + 4n)^2 = (1/2m)^2 + 2 * (1/2m) * (4n) + (4n)^2 = 1/4m^2 + 4mn + 16n^2

2. Тричлен в виде квадрата двучлена: У вас дано выражение a² + 8 + 16. Заметим, что 8 и 16 являются квадратами чисел, и похоже, что вы хотите представить это выражение в виде квадрата двучлена. Воспользуемся формулой квадрата двучлена:

(a + b)^2 = a^2 + 2ab + b^2

Если a^2 = a², то 8 = 2ab и 16 = b². Решим систему уравнений:

1. a^2 = a² → a = 0 (потому что квадрат числа не может быть отрицательным)
2. 8 = 2ab → 8 = 2 * 0 * b → b = любое число

Таким образом, данное выражение не может быть представлено в виде квадрата двучлена.

3. Решение системы уравнений: У вас не указана система уравнений. Пожалуйста, предоставьте систему уравнений, которую вы хотите решить.

4. Доказательство деления выражения на 10: У вас дано выражение (3x - 1)(3x + 1) + (x - 4)^2 - 2x + 5. Чтобы доказать, что оно делится на 10 при любом целом значении x, следует показать, что оно имеет остаток 0 при делении на 10.

Подставим выражение и упростим его: (3x - 1)(3x + 1) + (x - 4)^2 - 2x + 5 = 9x^2 - 1 + x^2 - 8x + 16 - 2x + 5 = 10x^2 - 10x + 20

Как видно, второе слагаемое 10x^2 - 10x + 20 делится на 10 без остатка для любого целого значения x. Таким образом, данное выражение действительно делится на 10 при любом целом значении x.