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harina [27]
3 years ago
15

A picnic bench is 2 meters long. How many decimeters is the bench?

Mathematics
1 answer:
ladessa [460]3 years ago
7 0
1 meter is 10 decimeters, so 2 meters must be 20 decimeters.

Hope this helps! :)
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Step-by-step explanation:

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To get a perfect square number as coeffecient of x is 4, lets add both side by 4.

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we know, (x+2)^{2} = x^{2} +2\times x\times 2+2^{2}

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opening parenthesis

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subtracting both side by 2

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