The rectangle below has an area of 55x^6 + 22x^4 square meters. The width of the rectangle (in meters) is equal to the greatest common monomial factor of 55x^6 and 22x^4. What is the length and width of the rectangle?

Respuesta :

Answer:

The width is 11x⁴ and the length is 5x²+2

Step-by-step explanation:

Thee GCF of 55x⁶ and 22x⁴ can first be found by finding the GCF of 55 and 22:

55 = 11(5)

22 = 11(2)

The only thing they have in common is 11.

Since 55x⁶ has 6 x's and 22x⁴ has 4, the GCF will have 4 x's; this means

11x⁴ is the GCF, which means it is the width.

Factoring this out of 55x⁶+22x⁴, we have

11x⁴(5x²+2); so 11x⁴ is the width and 5x²+2 is the length.

The length and width of the rectangle that has an area of [tex]55x^6 + 22x^4[/tex] square meters are [tex]11 x^4[/tex] and [tex](5 x^2 + 2)[/tex] respectively.

Area of the rectangle [tex]= 55x^6 + 22x^4[/tex] square meters.

The width of the rectangle (in meters) is equal to the greatest common monomial factor of [tex]55x^6[/tex] and [tex]22x^4[/tex].

Take out the greatest common monomial factor from [tex]55x^6[/tex] and [tex]22x^4[/tex].

[tex]55x^6 = 5 \times 11 \times x \times x \times x \times x \times x \times x[/tex]

[tex]22x^4 = 2 \times 11 \times x \times x \times x \times x[/tex]

Of the two terms, the common factors are: [tex]11 \times x \times x \times x \times x[/tex].

Area of the rectangle [tex]= 55x^6 + 22x^4[/tex]

Area of the rectangle [tex]= (5 \times 11 \times x \times x \times x \times x \times x \times x) + (2 \times 11 \times x \times x \times x \times x)[/tex]

Area of the rectangle [tex]= 11 \times x \times x \times x \times x (5 \times x \times x + 2)[/tex]

Area of the rectangle [tex]= 11 x^4 (5 x^2 + 2)[/tex]

Area of a rectangle [tex]=[/tex] width [tex]\times[/tex] length

Now, the width of the rectangle (in meters) is equal to the greatest common monomial factor of [tex]55x^6[/tex] and [tex]22x^4[/tex].

So, width [tex]= 11 x^4[/tex] and length [tex]= (5 x^2 + 2)[/tex].

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