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2 years ago

Can someone please help me out on this?

Mathematics

1 answer:

mezya [45]2 years ago

3 0

Please find the attached photograph for your answers.

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Write expanded form 640,739

Rama09 [41]

600,00 + 40,00 + 700 + 30 + 9 is 640,639 in expanded form

8 0

3 years ago

Collinear points are two or more points that lie on the same

muminat

Answer: Line

Explanation: Points that lie on the same line are called collinear points.

I'll show you an example.

Below, points E, B, and D are collinear since they lie on the same line.

I have highlighted the line green to see it more clearly.

However, C, B, and D would not be collinear

since they don't all lie on the same line.

7 0

3 years ago

3{x}^{4}-15{x}^{2}+12=0

MA_775_DIABLO [31]

$3x^4-15x^2+12=0\qquad|:3\\\\x^4-5x^2+4=0\\\\x^4-x^2-4x^2+4=0\\\\x^2(x^2-1)-4(x^2-1)=0\\\\(x^2-1)(x^2-4)+0\iff x^2-1=0\ \vee\ x^2-4=0\\\\x^2=1\ \vee\ x^2=4\\\\x=\pm\sqrt1\ \vee\ x=\pm\sqrt4\\\\\boxed{x=-1\ \vee\ x=1\ \vee\ x=-2\ \vee\ x=2}$

6 0

3 years ago

Find the distance between the point and the plane. (round your answer to three decimal places.) (1, 2, 1) x − y + 2z = 2

Sergio [31]

Answer : Distance of plane from a given point =0.408

Explanation:

Since the equation of plane is x-y+2z-2=0

and the given point is (1,2,1)

And we know the formula of distance of plane from a point

i.e.

D= $\mid\frac{Ax_{1}+By_1+Cz_1-D}{\sqrt{A^2+B^2+C^2}}\mid$

where A,B,C are the coefficient of x, y, z respectively ,

and $(x_1,y_1,z_1)$ are the given points .

So,

$\mid\frac{1.1+(-1).2+1.2-2}{\sqrt{1+1+4}}\mid$

= $\mid\frac{1-2+2-2}{\sqrt6}\mid$

= $\mid\frac{-1}{\sqrt6}\mid$

= $\frac{1}{\sqrt6}$

Now by using calculator we can find the value of √6 i.e. 2.449 upto three decimal places.

∴ Distance = 0.408

5 0

3 years ago

If 4 log x k = , express 3 2 log 8x in terms of k.

vredina [299]

Answer:

i help to solve the problem

3 0

2 years ago