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3 years ago

15

What is the area of a rectangle whose width is 6y units and whose length is 4y+2x-6 units?

1 answer:

ValentinkaMS [17]3 years ago

6 0

Answer:

66473737

Step-by-step explanation:

747292929277273664646272727282891919919191919919192929298475756565665

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iren2701 [21]

Answer:

B

D

A

Step-by-step explanation:

Given:

A. $2x^3-x^{2} -6x$

B. $2x^3+8x+4$

C. $3x^4+x^{2} +x-7$

D. $3x^4-3x^{2} +5x-7$

Now, let us evaluate the given expressions one by one.

$(4x^3-4+ 7x)-(2x^3-x-8)\\\Rightarrow 4x^3-4+ 7x-2x^3+x+8\\\Rightarrow 2x^3+8x+ 4$

It is equation B.

So, $(4x^3-4+ 7x)-(2x^3-x-8)$ is equivalent to B.

$(-3x^2+x^4+x)+(2x^4-7+4x)\\\Rightarrow -3x^2+x^4+x+2x^4-7+4x\\\Rightarrow3x^4-3x^{2} +5x-7$

It is equation D.

So, $(-3x^2+x^4+x)+(2x^4-7+4x)$ is equivalent to D.

$(x^{2} -2x)(2x+3)\\\Rightarrow 2x^3-4x^{2} +3x^{2} -6x\\\Rightarrow 2x^3-x^{2} -6x$

It is equation A.

So, $(x^{2} -2x)(2x+3)$ is equivalent to A.

So, answer is:

B

D

A

8 0

3 years ago

Quick math, please help!! Thank you!

SVEN [57.7K]

Answer:

x=32

Step-by-step explanation:

Since we know all the angels are equal to 60, you can pick whichever angel you wish and set it equal to 60 to find the value of x

8 0

3 years ago

Use the diagram to solve for the indicated measures.

Degger [83]

I cannot seem to find the diagram

3 0

3 years ago

The length of a rectangle is 3 inches more than its width. The perimeter of the rectangle is 34 inches. The length of the rectan

astra-53 [7]

Answer: Width= 7 in.

Length= 10 in.

Step-by-step explanation:

$l=w+3$

The perimeter of the rectangle is 34 inches.

$2(w+l)=34$

substitute

$2(w+w+3)=34$

$2(2w+3)=34$

distributive property $a(b+c)=ab+ac$

$2\cdot 2w+2\cdot 3=34$

$4w+6=34$

$4w+6-6=34-6$

$4w=28$

divide 4 on both sides

$w=7$

Width is 7 inches

substitute w=7 in equation $l=w+3$

$l=7+3$

$l=10$

Length is 10 inches

5 0

4 years ago

Use the exponent properties to simplify the following<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3x%5E3y%5E2z%7D%7B27xy%5E2

7nadin3 [17]

Step-by-step explanation:

x^2/9 z^2

hiiii checkout the steps

7 0

3 years ago