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podryga [215]
3 years ago
5

Find two integers a and b between 1 and 20 such a a^2+b^2 is a perfect square

Mathematics
1 answer:
guajiro [1.7K]3 years ago
8 0
4,9,16 are all options that ratio to 1,2,3
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Convert the equation to the standard form for a parabola by completing the square on x or y as appropriate.
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Y² + 2 y - 2x - 3 = 0
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Answer:
2 ( x + 2 ) = ( y + 1 )²
4 0
3 years ago
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A bag contains five ping-pong balls numbered 1 to 5. Two balls are removed to form a two digit number. The smallest possible num
blsea [12.9K]

Answer:

\frac{11}{42} or 26.19%

Step-by-step explanation:

If the range of possible numbers is between 12 and 54 then that means that there are 42 (54 - 12) possible numbers that can be made. In this range, there are 11 prime numbers which are the following...

13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53

Therefore, the probability that the number formed is a prime would be \frac{11}{42} which if we divide and multiply the decimal by 100 we get the probability in percentage form.

\frac{11}{42} = 0.2619

0.2619 * 100 = 26.19%

Finally, we can see that the probability of this happening is 26.19%

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2 years ago
Algebra 1 , PLEASE PLEASE help . and if you know how to do algebra i'll have more question you can answer .. if you want :, )
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Answer:

It's A, Because it makes the most sense in this algebra question.

Step-by-step explanation:

Have a great day!

Stay safe and healthy!

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none

Step-by-step explanation:

there would be no solutions because 39 does not equal 15

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