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4 years ago

12

x squared plus y squared equals 80. My daughter has to work out what x and y are. I have worked it out by trial and error, but k

now there must be a method. Please help!

1 answer:

olya-2409 [2.1K]4 years ago

7 0

you Need to think of 2 square numbers that add up to make 80

answer:

64 + 16

this means that x = 8 and y = 4

because of the square roots

or

y = 4

and

x = 8

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