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2 years ago

Selena played 32 games of chess. If she won x games, which expression represents her losses?

Mathematics

2 answers:

katrin [286]2 years ago

6 0

Selena played 32 games of chess

won = x
lost = (total - won) = 32 - x

Answer is C

melamori03 [73]2 years ago

4 0

The answer is ........ (C)

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san4es73 [151]

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Approximate length of the diagonal fencing needed is 45.25 cm.

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Here, each side of the square shaped land = 32 ft

Now, the diagonal fencing is made in side the plot so that the land is divided into two right triangles.

In the triangle:

Base side of the triangle = 32 cm

Perpendicular length of the triangle = 32 cm

Let us assume the hypotenuse of the triangle = k cm

⇒The length of the diagonal in the square = k cm

by PYTHAGORAS THEOREM in a right angled triangle:

$(Base)^{2} + (Perpendicular)^{2} = (Hypotenuse)^{2}$

⇒ $(32)^2 + (32)^2 =k^2\\or, k^2 = 1024 + 1024 = 2048\\\implies k = \sqrt{2048} = 45.25$

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