3 years ago

Y=4.2x how do i solve this equation

1 answer:

5 0

Answer:

x= -4.2+ y

Step-by-step explanation:

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elixir [45]

Answer:

Step-by-step explanation:

$\frac{(3x^{2} )^\frac{1}{2} }{3^\frac{1}{2} } =3$

$(3x^2)^\frac{1}{2} = 3^\frac{1}{2} x$

Remember that $\frac{x^b}{x^c} =$ x^(b-c)

Using that $\frac{3^\frac{1}{2}x }{3^\frac{1}{2} }$ =3^(1/2x-1/2)=3^((x-1)/2)

$3^\frac{x-1}{2} =3^1$

So we can say: $\frac{x-1}{2} =1$ , because the bases are the same

We can multiply both sides of the equation by 2. We get x-1=2, and x=3. Which is A.

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2 years ago

yanalaym [24]

To find the mean you add all the #'s and divide by how many there are. 4+5+6+7 +8= 30 /5 is 6. Tara is right.

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3 years ago

Alborosie

Answer:

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Step-by-step explanation:

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3 years ago

kow [346]

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3 years ago

MissTica

Are you asking the equation or the answer

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3 years ago