What is the decimal expansion of 1/25

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Ответ:

andersonemma2222

27.07.2022

Mathematics

$A=(2x^{2}+9x-18)\ m^{2}$

Step-by-step explanation:

Let

L-----> the length of the concert hall

W----> the width of the concert hall

we know that

The area of a rectangle ( concert hall) is equal to

A=LW

we have

$L=(x+6)\ m$

$W=(2x-3)\ m$

substitute the values

$A=(x+6)(2x-3)\\ \\A=2x^{2} -3x+12x-18\\ \\A=(2x^{2}+9x-18)\ m^{2}$

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