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Russia
- 3. Разложите на множители: \( \left.9 y^{2}-25 ; 6\right) 4 a-a^{3} ; \) в) \( -2 a^{2}+4 a c-2 c^{2} \)
Algebra Jan 21, 2025
a) \( (2+3 x)^{2} \); б) \( (a-5 b)^{2} \); в) \( (y+10)(y-10) \). 2. Упростите выражение: a) \( \left.(x-4)^{2}-(x+1)(x+2) ; 6\right) 5(a+b)^{2}-10 a b \). 3. Разложите на множители: а) \( 9 y^{2}-25 \); б) \( 4 a-a^{3} \); в) \( -2 a^{2}+4 a c-2 c^{2} \). 4. Упростите выражение \[ \left(2 b+b^{2}\right)^{2}+b^{2}(5-b)(5+b)-4 b\left(b^{2}-3\right) \] 5. Разложите на множители: a) \( 16-(y+1)^{2} \) в) \( a^{4}-16 b^{4} \); 6) \( \frac{1}{27} a^{3}-x^{3} \) г) \( 3 c-c^{2}-3 a+a^{2} \)
Algebra Jan 21, 2025
1. Did you break this lock? (that lock) 2. Did you find a textbook? (a map) 3. Did you get a good mark? (a bad mark) 4. Did you wear jeans? (shorts) 5. Did you make tea? (coffee) 6. Did you speak Russian? (English) 7 . Did you tell a lie? (the truth) 8. Did you hear his voice? (her voice) 9 . Did you take two tickets? (three tickets) 10. Did you see a tiger? (a giraffe)
English Jan 21, 2025
Определи значение выражения: \( \sqrt{17 \cdot 32} \cdot \sqrt{34} \)
Pre Algebra Jan 21, 2025
В фирме єРодник» стоимость (о рублнх) колодца из железобетонных колец рассчитываетса по формуле \( C=6100+410 n \), где \( n \) - чиспо колец, установленных в колодце Пользуясь той формупои, вьлиоли стоимость колодца из колец. Ответ дай в рублях.
Algebra Jan 21, 2025
ОТВЕТ - КАК НА ОГЭ Реши уравнение: \( x^{2}-14 x+45=0 \)
Algebra Jan 21, 2025
3. Logarifmik tenglamalar \( 1 \quad\left(6^{x}-3\right)\left(6^{x}-12\right)=0 \) tenglamaning yechimlari 6 yig'indisini toping. A) 0 B) 1 C) 2 D) 3 \( 2 \log _{2}\left(x^{2}-2 x\right)=3 \) tenglamani yeching. A) \( -2 ;-4 \) B) -4 C) \( -2 ; 4 \) D) 4
Algebra Jan 21, 2025
3. LOGARIFMIK TENGLAMALAR 11. \( \log _{x}(4 x-3)=2 \) tenglama ildizlari yig'indisini toping. A) 2 B) 3 C) 4 D) 5 \( 12 \log _{7}(2 x-5)=\log _{7}(x-3) \) tenglamani yeching. A) 0 B) 2 C) 3 D) 4 \( 13(x-2) \log _{3}\left(x^{2}-24\right)=0 \) tenglamaning haqiqiy ildizlari nechta? A) 0 B) 1 C) 2 D) 3 \( 14 \log _{2}(x-8)+\log _{3} 27=4 \) tenglama ildizi \( x_{0} \) bo'lsa, \( x_{0}+5 \) ning qiymatini toping. A) 10 B) 12 C) 15 D) 17
Algebra Jan 21, 2025
Укажи решение неравенства \( x-x^{2}<0 \)
Algebra Jan 21, 2025
41 \( \log _{x}(4 x-3)=2 \) tenglama ildizlari yig'indisini toping. A) 2 B) 3 C) 4 D) 5 \( 12 \log _{7}(2 x-5)=\log _{7}(x-3) \) tenglamani yeching. A) \( \emptyset \) B) 2 C) 3 D) 4 \( 13(x-2) \log _{3}\left(x^{2}-24\right)=0 \) tenglamaning haqiqiy ildizlari nechta? A) 0 B) 1 C) 2 D) 3 \( 14 \log _{2}(x-8)+\log _{3} 27=4 \) tenglama ildizi \( x_{0} \) bo'lsa, \( x_{0}+5 \) ning qiymatini toping. A) 10 B) 12 C) 15 D) 17 \( 19 x^{\log _{x}\left(x^{2}-16\right)}=9 \) tenglama nechta yechimga ega? A) \( \emptyset \) B) 1 C) 2 D) 3 \( 20 \log _{2}(x+2)-\log _{2}(x-1)=2 \) tenglamaning ildizi qaysi oraliqqa tegishli? A) \( (1 ; 2) \) B) \( [2 ; 4) \) C) \( (4,5 ; 6) \) D) \( (6 ; 10] \)
Algebra Jan 21, 2025
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