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3 years ago

7

The perimeter of a parallelogram is 60 meters. The width (W) of the parallelogram is 2 meters less than its length (L). Find the

length and the width of the parallelogram.

1 answer:

PSYCHO15rus [73]3 years ago

4 0

120 because 60 times two is 120 and six times two is twelve

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Read 2 more answers

Hurry 50 points for correct answer

Ad libitum [116K]

Answer: <em>"7 is a solution to the original equation. The value –1 is an extraneous solution."</em>

Step-by-step explanation:

The equation $x=\sqrt{6x+7}$ can be solved by squaring both sides:

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We can see that -1 and 7 are solutions, but make sure they are not extraneous by substituting them in the original equation:

$1 = \sqrt{-1}\\ 7 = \sqrt{49}$

The square root of 49 equals 7, but the square root of -1 is an imaginary number.

The correct choice is <em>"7 is a solution to the original equation. The value –1 is an extraneous solution."</em>

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