How many pairs of positive integers (x,y) satisfy x^2-y^2=51?

2 answers:

6 0

Answer:

Step-by-step explanation:

Basile [38]3 years ago

4 0

13
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slava [35]

The answer is 90
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Andre45 [30]

Step-by-step explanation:

$29 {}^{ \frac{x}{2} }$

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The answer is A

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kenny6666 [7]

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Step-by-step explanation:

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monitta

Answer:

Step-by-step explanation:

There are 6 different types of rackets and 4 different types of balls.

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