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vasilyeva08079oz7ptx
vasilyeva08079oz7ptx
22.09.2022 07:20 •  Алгебра

Відомо що m<0, n<0. Порівняйте з 0 значення виразу m в 5 степені, n в 6 степені​

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Ответ:
nikitaaleksandrov
nikitaaleksandrov
22.09.2022

阿迪爾汗

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

is my mother. She has baked a delicious strawberry pie.

are my grandparents. They are riding bikes.

is our house. I can see it from here.

are my parents. My Mom’s name is Ann and my father’s name is Tom

4,4(29 оценок)
Ответ:
madinaseidahmet
madinaseidahmet
22.09.2022
Пусть первый катет равен a см, тогда второй катет - b см. Площадь прямоугольного треугольника равна \dfrac{a\cdot b}{2}, что составляет 210 см² или перепишем сразу a\cdot b=420

По теореме Пифагора:  a^2+b^2=37^2

Составим и решим систему уравнений    \displaystyle \left \{ {{a\cdot b=420} \atop {a^2+b^2=37^2}} \right.

\displaystyle \left \{ {{a\cdot b=420} \atop {a^2+b^2-2a\cdot b+2a\cdot b=1369}} \right. ~~~\Rightarrow~~~ \left \{ {{a\cdot b=420} \atop {(a-b)^2+2\cdot420=1369}} \right. ~~\\ \\ \\ \Rightarrow \left \{ {{a\cdot b=420} \atop {(a-b)^2=529}} \right.

Из второго уравнения имеем, что \displaystyle a-b=\pm23. Тогда имеем несколько случаев.

Случай 1. Если a-b=23, то a=23+b и подставим в первое уравнение.
(23+b)b=420\\ \\ b^2+23b-420=0

Согласно теореме виета b_1=-35;~~ b_2=12 см и корень b_1 не удовлетворяет заданному условию
a_2=23+12=23+7=35 см

Случай 2. Если a=b-23,то подставив в первое уравнение, получим

(b-23)b=420\\ b^2-23b-420=0
Согласно теореме Виета b_3=-12 b_4=35 см и корень b_3 не удовлетворяет условию
a_4=b_4-23=35-23=12

Катеты прямоугольного треугольника равны 35 см и 12 см или 12 см и 35 см.

Периметр прямоугольного треугольника:  P=35+12+37=84 см

ответ: 84 см.
4,4(96 оценок)
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