помогите пожалуйста, срочно!. Created by SNPC. matematika-ru

1)20 = (3x)² - x²;20 = 9x² - x²;8x² = 20;x² = 2,5;x = 5 — AB;2)20 * 5 = 100 — площадь ABCD;3)100 / 15 = 6,(6) см — CH

помогите пожалуйста, срочно!...

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помогите пожалуйста, срочно!

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tohabykoff 1)20 = (3x)² - x²;
20 = 9x² - x²;
8x² = 20;
x² = 2,5;
x = 5 $\sqrt{0.1}$ — AB;
2)20 * 5 $\sqrt{0.1}$ = 100 $\sqrt{0.1}$ — площадь ABCD;
3)100 $\sqrt{0.1}$ / 15 $\sqrt{0.1}$ = 6,(6) см — CH

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kakoe slovo sostoit iz pristavki kornya odnogo suffiksa i okonchaniya 1 rassmatri

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dva ryada staryh tesno posazhennyh elej stoyali obrazuya krasivuyu alleyu obyasni

odna iz storon pryamougolnika ravna 8 sm a diagonal 17 sm chemu ravna vtoraya s

pomogite pozhalujstaproektor polnostyu osveshaet ekran a vysotoj90sm raspolozh

pomogite pozhalujsta295a2beee7c6f7411ff67328da81bacc 6530

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