2²ˣ⁻¹ +2²ˣ⁻² + 2²ˣ⁻³ ≥ 448 Помогите с решением.. Created by digirlie. algebra-ru

2²ˣ⁻¹ +2²ˣ⁻² + 2²ˣ⁻³ ≥ 448 Помогите с решением...

digirlie @digirlie

December 2021 1 37 Report

2²ˣ⁻¹ +2²ˣ⁻² + 2²ˣ⁻³ ≥ 448

Помогите с решением.

Answers & Comments

Universalka

Verified answer

$2^{2x-1} +2^{2x-2}+2^{2x-3}\geq448\\\\2^{2x-3}(2^{2}+2+1)\geq448\\\\2^{2x-3}*7\geq448\\\\2^{2x-3}\geq 64\\\\2^{2x-3}\geq2^{6} \\\\2x-3\geq6\\\\x\geq 4,5$

Ответ : x ∈ [4,5 ; + ∞)

2 votes Thanks 0

danosiformulareshenie

Answer

digirlie August 2022 | 0 Ответы

srochno reshitepozhalujstaa63e038f6ce451b720b835b1d60c5219 18089

Answer

digirlie August 2022 | 0 Ответы

k 40 gr 10 procentnogo rastvora nacl dobavili 4 gr etoj zhe soli vychislit proce

Answer

digirlie August 2022 | 0 Ответы

rasshifrujte slozhnosokrashennye slova opredelite ih rod mtsmhatniivdvvvctvd3bb6fed0e795bddb6590251c9a5b08f 48064

Answer

digirlie August 2022 | 0 Ответы

25 004 gt 02

Answer

digirlie August 2022 | 0 Ответы

reshit sistemu funkcij y 25 5 y4 1

Answer

Answers & Comments

Verified answer

danosiformulareshenie

srochno reshitepozhalujstaa63e038f6ce451b720b835b1d60c5219 18089

k 40 gr 10 procentnogo rastvora nacl dobavili 4 gr etoj zhe soli vychislit proce

v bank bylo polozhena nekotoraya summa deneg pod 10 godovyhnajdite etu summuesl

s glagolnoeimennoe ili narechnoe

kak reshat 2 zadachu

133,138,141,142,145,150,151,152...

rasshifrujte slozhnosokrashennye slova opredelite ih rod mtsmhatniivdvvvctvd3bb6fed0e795bddb6590251c9a5b08f 48064

25 004 gt 02

reshit sistemu funkcij y 25 5 y4 1

рекомендуемые вопросы

Helpful Links

Helpful Social