Помогите пожалуйста срочно нужно 17))). Created by hateschool2001. matematika-ru

1)P=2(a+b)=62 где а и b его ширина и длина a-b=5Система{2(a+b)=62{a-b=5{a+b=31{a-b=5{a=31-b{31-b-b=5{-2b=-26{b=13{a=18S=13*18=234Ответ 234 м квадрате2) значит AB=9.6/4= 2.4 смBC=2.4-0.4= 2 смCD=2*1.5=3 смABCD=2+3+2.4=7.4 см Реклама Реклама Новые вопросы в Математика 2. Середня лінія трапеції дорівнює 10+ 3 см, а одна з основ на 20см більша за іншу. Знайдіть основи трапеції. математика 4класс помогите пжжжж отнем❣️ 2.Задание а) Какую часть метра составляет 54см? Представьте в виде несократимой дроби. b) Какую часть часа составляет 25минут? Представьте в виде несо … кратимой дроби. 368 вычеслите 6)-6 1/2-3 5/7 7)-3/7-4/7 8)-1/8-3/4 помогите пожалуйста помогите пожалуйстадаю 30б пожалуйста очень срочно!!! Срочно дам 70 баллов всем привет! хочу спросить, а как удалить вопрос который я ранее задавала? хотелось бы подробный ответ! задана прапорцыя 4/х=2/3 найдите значение хсрочно даю 20 балов √6 √5 сравнить числа срочно пж Предыдущий Следующий Реклама - это не так уж плохо Реклама - это не так уж плохо Понимаем - вы пришли сюда не за рекламой. Но она помогает нам предоставлять бесплатный доступ к Знаниям. Пожалуйста, внесите наш сайт в список разрешенных. ОК, разблокирую рекламу на Знаниях! Вместе мы знаем больше Этот сайт использует cookies Политика Cookies . Вы можете указать условия хранения и доступ к cookies в своем браузере. 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Помогите пожалуйста срочно нужно 17)))...

hateschool2001 @hateschool2001

October 2021 1 13 Report

Помогите пожалуйста срочно нужно 17)))

Answers & Comments

Матов

Verified answer

1)
P=2(a+b)=62 где а и b его ширина и длина
a-b=5

Система

{2(a+b)=62
{a-b=5

{a+b=31
{a-b=5

{a=31-b
{31-b-b=5

{-2b=-26
{b=13
{a=18

S=13*18=234
Ответ 234 м квадрате

2) значит

AB=9.6/4= 2.4 см
BC=2.4-0.4= 2 см
CD=2*1.5=3 см
ABCD=2+3+2.4=7.4 см