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2 years ago

Solve for x. leave your answer in simplest radical form.

Mathematics

1 answer:

adell [148]2 years ago

8 0

Answer:

could you provide the equation for which x is to be solved?:)...If your question was supposed to be that ...then hope the solution helps:)

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Gnom [1K]

Answer:

The last one is B.

Step-by-step explanation:

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3 years ago

What is the generalized vertex form of a quadratic equation

Oksanka [162]

Answer:

f (x) = a(x - h)2 + k, where (h, k) is the vertex of the parabola.

Step-by-step explanation:

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3 years ago

Confused help outttt pleaseeee

larisa [96]

Answer:

the correct answer would be p=nRt/v

Step-by-step explanation:

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3 years ago

Solve sin^2x+cos2x-1/4=0

sweet-ann [11.9K]

$sin^{2}x + cos2x - \frac{1}{4} = 0$
$sin^{2}x + cos^{2}x - sin^{2}x = \frac{1}{4}$
$cos^{2}x = \frac{1}{4}$
$cos(x) = \pm \frac{1}{2}$

$x = \pm \frac{\pi}{3}$
General solutions: $x = \pi(n - \frac{1}{3})$ and $x = \pi(n + \frac{1}{3})$

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3 years ago

How would you solve this equation? Please show steps

Serhud [2]

Simple....

you have: $3x= \sqrt{12-12x}$

So...first you know you're trying to find x..

But, you have a square root on one side...to remove this you'd have to square both sides--->>>

$(3x)^{2} = \sqrt{12-12x} ^{2}$

Leaving you with....

$9x^{2} =12-12x$

Move the terms over and set it equal to zero.

-->>

$9x^{2}+12x-12=0$

Factor out a 3...

$3( 3x^{2} +4x-4=0)$

What multiplies to -12 and adds to 4?

6*-2=-12

6+-2=4

Leaving you with...

$3(3x-2)(x+2)=0$

Remember you're solving for 0....

3x-2=0

3x-2=0
+2 +2

3x=2

$\frac{3x}{3} = \frac{2}{3}$

x= $\frac{2}{3}$

Then-->>

x+2=0

x+2=0
-2 -2

x=-2

Thus, your answer.

4 0

3 years ago