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Luden [163]
3 years ago
8

At Best Buy, kelly Larry buys three CDs and three DVDs for $96 from the sale rack, buys two CDs and one DvD from the same rack f

or $44. What are the price per CD and the price per DVD?
Mathematics
1 answer:
Anna11 [10]3 years ago
3 0
The price per CD would be $12. And the price per DVD would be $20. I will show you the work below:

12(3)=36+20(3)=96

12(2)=24+20(1)= 44


please vote my answer brainliest. thanks!
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Wut are the steps to solve this right ? 6x + 12 < 3x + 6
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Answer:

x<−2

Step-by-step explanation:

Let's solve your inequality step-by-step.

6x+12<3x+6

Step 1: Subtract 3x from both sides.

6x+12−3x<3x+6−3x

3x+12<6

Step 2: Subtract 12 from both sides.

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Step 3: Divide both sides by 3.

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Find the geometric mean of 4 and 12
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Answer:

The Geometric Mean of 4 and 12 is 6.9

Step-by-step explanation:

Given Numbers are 4 and 12

To find : Geometric mean of the given No.

The Geometric Mean is a type of average where we multiply the nos. together and then take a square root (for two nos), cube root (for three nos) etc.

Formula for Geometric Mean is given by,

Geometric\,Mean\,of\,x_1\,,\,x_2\,,\,x_3..x_n=\sqrt[n]{x_1\times x_2\times x_3\times\,...\,\times x_n}

⇒ Geometric Mean of 4 and 12 = \sqrt{4\times12}

                                                     = \sqrt{48}

                                                     = 4\sqrt{3}

                                                     = 6.92820323028

                                                     = 6.9

Therefore, The Geometric Mean of 4 and 12 is 6.9

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