Решите пожалуйста неравенство (ответ: -∞;+∞). 20 баллов.. Created by IAMEBKA. matematika-ru

6^x-2*4^x≤9^x6^x>01-2*(2/3)^x-(3/2)^x≤0{(2/3)^x=t>0{2t+1/t-1≥0(2t²-t+1)/t≥0D=1-8=-7<0{t€(-oo;+oo){(2/3)^x=t>0 ;=>t>0(2/3)^x>0x€(-oo;+oo)Новые вопросы в МатематикаЕсли угол DBC = 55градусов, угол DAC = 40градусов, то х=?На какое число надо разделить 3848 чтобы: а) в частном получилось 160 и в остатке 8 б) в частном получилось 60 и в остатке 8?614. Напишите числа в виде неправильной дроби:1) 35 529:17:8.6 98143; 21 -; 13; 252001502) 15 1/4:1138 :// -: 16121344110031500помогите, очень быстро нужно!!!Трамвай за 2/3 ч проезжает расстояние 10 1/6 км.Найдите его скорость.AD - висота прямокутного трикутника АВС. Бісектриса кутів В і CAD перетинаються в точці К, а бісектриси кутів С і BAD - у точці М. Доведіть, що КМ║ВС.…тільки пж розгорнуто++ малюнок помогите решить пожалуйстауравнение ( 2 • x - 76 ) : 4 = 96уравнение (950-х):6+190=50×5Выполните вычеслениеПредыдущийСледующийВместе мы знаем большеЭтот сайт использует cookies Политика Cookies . 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16\n12\n13\n4\n41\n100\n31\n500"},{"id":49787565,"content":"\u043f\u043e\u043c\u043e\u0433\u0438\u0442\u0435, \u043e\u0447\u0435\u043d\u044c \u0431\u044b\u0441\u0442\u0440\u043e \u043d\u0443\u0436\u043d\u043e!!!"},{"id":49787562,"content":"\u0422\u0440\u0430\u043c\u0432\u0430\u0439 \u0437\u0430 2\/3 \u0447 \u043f\u0440\u043e\u0435\u0437\u0436\u0430\u0435\u0442 \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u0435 10 1\/6 \u043a\u043c.\u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u0435\u0433\u043e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c.\u200b"},{"id":49787559,"content":"AD - \u0432\u0438\u0441\u043e\u0442\u0430 \u043f\u0440\u044f\u043c\u043e\u043a\u0443\u0442\u043d\u043e\u0433\u043e \u0442\u0440\u0438\u043a\u0443\u0442\u043d\u0438\u043a\u0430 \u0410\u0412\u0421. \u0411\u0456\u0441\u0435\u043a\u0442\u0440\u0438\u0441\u0430 \u043a\u0443\u0442\u0456\u0432 \u0412 \u0456 CAD \u043f\u0435\u0440\u0435\u0442\u0438\u043d\u0430\u044e\u0442\u044c\u0441\u044f \u0432 \u0442\u043e\u0447\u0446\u0456 \u041a, \u0430 \u0431\u0456\u0441\u0435\u043a\u0442\u0440\u0438\u0441\u0438 \u043a\u0443\u0442\u0456\u0432 \u0421 \u0456 BAD - \u0443 \u0442\u043e\u0447\u0446\u0456 \u041c. \u0414\u043e\u0432\u0435\u0434\u0456\u0442\u044c, \u0449\u043e \u041a\u041c\u2551\u0412\u0421.\n\u0442\u0456\u043b\u044c\u043a\u0438 \u043f\u0436 \u0440\u043e\u0437\u0433\u043e\u0440\u043d\u0443\u0442\u043e++ \u043c\u0430\u043b\u044e\u043d\u043e\u043a"},{"id":49787539,"content":"\u043f\u043e\u043c\u043e\u0433\u0438\u0442\u0435 \u0440\u0435\u0448\u0438\u0442\u044c \u043f\u043e\u0436\u0430\u043b\u0443\u0439\u0441\u0442\u0430"},{"id":49787473,"content":"\u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 ( 2 \u2022 x - 76 ) : 4 = 96\u200b"},{"id":49787447,"content":"\u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 (950-\u0445):6+190=50\u00d75\u200b"},{"id":49787403,"content":"\u0412\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u0435 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Решите пожалуйста неравенство (ответ: -∞;+∞). 20 баллов...

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August 2022 1 21 Report

Решите пожалуйста неравенство (ответ: -∞;+∞). 20 баллов.

Answers & Comments

армения20171 6^x-2*4^x≤9^x
6^x>0
1-2*(2/3)^x-(3/2)^x≤0
{(2/3)^x=t>0
{2t+1/t-1≥0
(2t²-t+1)/t≥0
D=1-8=-7<0
{t€(-oo;+oo)
{(2/3)^x=t>0 ;=>t>0

(2/3)^x>0
x€(-oo;+oo)