решите систему неравенсв { x²-8x+15≤0 3x-18≤0. Created by Tarakanchik000. algebra-ru

решите систему неравенсв { x²-8x+15≤0 3x-18≤0...

August 2022 1 2 Report

решите систему неравенсв

{ x²-8x+15≤0
3x-18≤0

Answers & Comments

kvast X^2 - 8x+15<=0; x1=3,x2=5
3x-18<=0 ; x=6
x^2-8x+15<=0
D= b^2-4ac= 64-60= корень квадратный 4, отсда х= -b+- корень квадратный D/2a
x1= 8-2/2=6/2=3
x2= 8+2/2=10\2=5

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pomogite reshit zadachu po biologii zhenshina pravsha s karimi glazami i normalnym

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