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kifflom [539]
3 years ago
15

Three consecutive odd numbers have a sum of 45. What is the greatest number?

Mathematics
1 answer:
Rudiy273 years ago
8 0
The numbers are 13, 15, and 17. So 17 is the greatest number. Hope that helps!
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Answer:

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A good place to start is to set \sqrt{x} to y. That would mean we are looking for \sqrt{120-y} to be an integer. Clearly, y\leq 120, because if y were greater the part under the radical would be a negative, making the radical an imaginary number, not an integer. Also note that since \sqrt{x} is a radical, it only outputs values from [0,\infty], which means y is on the closed interval: [0,120].

With that, we don't really have to consider y anymore, since we know the interval that \sqrt{x} is on.

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5 0
3 years ago
What's the answer to this absolute value problem? |w-3|=4
ikadub [295]
Find all solutions for w by breaking the absolute value into the positive and negative components.
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Hope this helps! :)
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Leno4ka [110]
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Step-by-step explanation:
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