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solong [7]
3 years ago
12

The difference between two numbers is 9Find these numbers if their sum is 45.​

Mathematics
1 answer:
kirill115 [55]3 years ago
6 0

Answer:

spoe that x and y are the two numbers. Then we have x-y=9 and x+y=45. By adding the two equations together we obtain 2x=54 and so x=27. This implies that y=45-27=18.

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The square piece of wood measures 32 in per side,

Then the circle that can be cut off it has a radius of 16 in (half of the diameter 32 in)

Therefore, the area of the circle is going to be given by the formula:

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And the area of the initial square was:

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Therefore the left-overs of the piece of wood would be the difference:

1024 in^2 - 803.84 in^2

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