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4 years ago

How too solve for x 5x+8

2 answers:

6 0

Unless you set it up equal to 0? I’m not sure if you can just do that or maybe it’s already simplified like the person above me said

lions [1.4K]4 years ago

3 0

I don't think you can solve for x unless they give you what that equation equals (for example 5x+8=7)

I'm pretty sure that is as simplified as it can be

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What is the slope of the line through (3, 2) and (-3,4)?

Andre45 [30]

Answer:

Choice A. -3

Step-by-step explanation:

Using the x1-x2/ y1-y2 u fill in. So it would be 3-(-3) (x-axis) and 2-4 (y-axis).

So when u do both of those you are left with 6/-2.

When u simplify 6/-2 you get -3.

4 0

4 years ago

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What is the quadratic equation of 4x²=7 in standard form?

grigory [225]

Answer:

4x²+0x-7= 0

Step-by-step explanation:

$\sf{}$

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3 years ago

Cos^-1/2xsinx-cos^3/2xsinx=sin^3x√cosx/cosx

sashaice [31]

Pull out the common factor of $\cos^{-1/2}x\sin x$ :

$\cos^{-1/2}x\sin x-\cos^{3/2}x\sin x=\cos^{-1/2}x\sin x(1-\cos^2x)$

Recall that $1-\cos^2x=\sin^2x$ :

$\cos^{-1/2}x\sin x-\cos^{3/2}x\sin x=\dfrac{\sin^3x}{\sqrt{\cos x}}$

Rationalize the denominator:

$\cos^{-1/2}x\sin x-\cos^{3/2}x\sin x=\dfrac{\sin^3x\sqrt{\cos x}}{(\sqrt{\cos x})^2}=\dfrac{\sin^3x\sqrt{\cos x}}{\cos x}$

8 0

3 years ago

14.8 = n minus 0.3 n = negative 15.1 n = negative 14.5 n = 14.5 n = 15.1

dlinn [17]

Hello!

14.8 = n - 0.3

n - 0.3 = 14.8

n = 14.8 + 0.3

n = 15.1 → value of n

Good luck! :)

4 0

3 years ago

The value of -5x+4+2y when x=2 and y=5

Nataly_w [17]

The correct answer is 4

3 0

4 years ago

Read 2 more answers