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solmaris [256]
3 years ago
13

Twice the sum of a number and 3.

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
8 0
What are we supposed to do....
sashaice [31]3 years ago
8 0

Answer: 2n+3 is the answer

Step-by-step explanation:

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Step-by-step explanation:

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Darius and Barb are playing a video game in which the higher score wins the game. Their scores are shown below. Darius’s scores:
Bumek [7]

Answer:

Darius is correct if only the median score is considered.

Step-by-step explanation:

Darius scores are; 96, 54,120, 87, 123

arrange the scores in increasing order;

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mean = (54+87+96+120+123)/5 =480/5 =96

median =96

Barb's scores are  92,94,96,98,110

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median score=96

⇒if the median score only is considered; then it is a tie because the score is 96 in both players.

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3 years ago
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A rectangle has a length that is 7 inches less that twice it's width. The area of the rectangle is 72 square inches. Write an eq
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Answer: 2x^2-7x=72 , where  x= width of the rectangle ( in inches).

Step-by-step explanation:

Let x= width of the rectangle ( in inches).

Then its length =  2x-7 ( in inches).

Area of rectangle = Length × width

= (2x-7) × (x)

= 2x × x -7 ×x

= 2x²-7x

The area of the rectangle is 72 square inches.

\Rightarrow\ 2x^2-7x=72

Hence, the equation that represents the given situation :

2x^2-7x=72

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3 years ago
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