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marusya05 [52]
4 years ago
14

a rectangle had side lengths of (3x + 6) inches and (2x - 4) inches. write an expression to represent the perimeter of the recta

ngle. then find the value of x if the perimeter is 94 inches.
Mathematics
1 answer:
andrezito [222]4 years ago
8 0
<span> the value of x is
2(3x+6+2x-4)=94
6x+12+4x-8=94
6x+4x=94-12+8
10x=90
x=9

</span>
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**10 POINTS PLEASE HELP!!**
Sliva [168]

Answer:

The volume increases by a factor or 64. When the cube is dilated, each side length is increased by 4, so the volume is increased by 64.

Step-by-step explanation:

Let L represents the Length of the cube before it's dilated.

Volume, V1 = Length * Length * Length

Volume, V1 = L * L * L

Volume, V1 = L³

When the cube is dilated by a factor of 4.

The new Length becomes 4L.

The new volume is calculated as thus.

New Volume, V2 = 4L * 4L * 4L

New Volume, V2 = 64L³

Dividing the new volume by the old volume gives the increment factor.

Factor = New Volume ÷ Old Volume

Factor = V2/V1

Factor = 64L³/L³

Factor = 64.

Hence, when the sides of the cube is dilated by 4, the volume increases by a factor of 64.

Filling the gap of the given sentence;

"The volume increases by a factor or 64. When the cube is dilated, each side length is increased by 4, so the volume is increased by 64"

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3 years ago
What is the simplest form of 37/100
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Answer:

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Read 2 more answers
Match the function with its graph. a. 1C, 2B, 3D, 4A c. 1D, 2A, 3C, 4B b. 1A, 2D, 3B, 4C d. 1A, 2B, 3C, 4D Please select the bes
oksano4ka [1.4K]

Answer:

The correct answer is "Option C".

Step-by-step explanation:

Given:

\bold{ 1) y= -\tan (x- \frac{\pi}{2})}\\\\\bold{ 2) y= \tan (x+ \frac{\pi}{2})}\\\\\bold{ 3) y= -\cot (x- \frac{\pi}{2})}\\\\\bold{ 4) y= \cot (x+ \frac{\pi}{2})}\\\\

solve the above equation:

\Rightarrow 1) \ y= -\tan (x- \frac{\pi}{2})\\\\\Rightarrow \ y= \tan (\frac{\pi}{2}-x)\\\\\Rightarrow \ y= \cot x \ \ \ \ \ \bold{ that \ matchs \ graph \ D}\\\\ \Rightarrow 2) \ y= \tan (x+ \frac{\pi}{2})\\\\\Rightarrow \ y= - \cot x \ \ \ \ \bold{ that \ matchs \ graph \ A}\\\\

\Rightarrow 3) \ y= -\cot (x- \frac{\pi}{2})\\\\\Rightarrow \ y=\cot ( \frac{\pi}{2}-x)\\\\\Rightarrow \ y=\tan  x\ \ \ \ \bold{that \ matchs \ graph \ C}\\\\

\Rightarrow 4) \ y= \cot (x+ \frac{\pi}{2})\\\\\Rightarrow  \ y= \cot (\frac{\pi}{2}+x)\\\\\Rightarrow  \ y= \ -tan x \ \ \ \ \  \bold{ that \ matchs \ graph \ A}

The final answer is "Option C".

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Step-by-step explanation:

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