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3 years ago

Consider the equation 2y - 4x = 12

Mathematics

2 answers:

Vlad [161]3 years ago

8 0

Answer:

The Answer Is A.–y – 2x = 6

Step-by-step explanation:

The first person is wrong, but Edge says that it's that answer for me.

Aleks [24]3 years ago

4 0

Answer:

y = 2x + 6 and 2y-4x=12 are the same line, so have infinitely many solutions.

Step-by-step explanation:

2y - 4x = 12

This is the same as y = 2x + 6

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Estimate the sums and difference of 38.12 + 12.24 and round to the nearest tenth

Alinara [238K]

Answer:

50.4

Step-by-step explanation:

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3 years ago

What is the value of s in 7 = -10s - 3

mojhsa [17]

Answer:

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Step-by-step explanation:

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3 years ago

find continued product of (x+y) (x-y) (<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^{2}"

leonid [27]

Answer:

$\large\boxed{(x+y)(x-y)(x^2+y^2)(x^4+y^4)=x^8-y^8}$

Step-by-step explanation:

$(x+y)(x-y)(x^2+y^2)(x^4+y^4)\\\\\text{use}\ (a-b)(a+b)=a^2-b^2\qquad(*)\\\\=\underbrace{(x+y)(x-y)}_{(*)}(x^2+y^2)(x^4+y^4)\\\\=\underbrace{(x^2-y^2)(x^2+y^2)}_{(*)}(x^4+y^4)\\\\=\left((x^2)^2-(y^2)^2\right)(x^4+y^4)\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=\underbrace{(x^4-y^4)(x^4+y^4)}_{(*)}\\\\=\left(x^4\right)^2-\left(y^4\right)^2=x^8-y^8$

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3 years ago