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2 years ago

Please explain how to do this and still get the answer 16. Thank you!

Mathematics

1 answer:

Kitty [74]2 years ago

5 0

(j-3)8=104
8j-24=104
8j=128
j=16

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Exact dimensions:

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Step-by-step explanation:

Let's assume width of rectangle is w ft

The length of a rectangular flower bed is 2ft longer than the width

so,

length =w+2

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$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

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$w=\frac{-2\pm \sqrt{2^2-4\cdot \:1\left(-6\right)}}{2\cdot \:1}$

$w=-1+\sqrt{7},\:w=-1-\sqrt{7}$

we know that dimension can never be negative

so, we will only consider positive value

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$width=-1+\sqrt{7}$

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$length=1+\sqrt{7}$

Approximate dimensions:

$width=1.64575ft$

$length=1.64575+2$

$length=3.64575ft$

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