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When you subtract one square number from another the answer is 7 what are the two numbers?
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When you subtract one square number from another the answer is 7 what are the two numbers?
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Oct 14, 2015
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When you subtract one square number from another the answer is 7 what are the two numbers?
Mathematics
high-school
Arjen Van Der Spek
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You can get seven from substracting 16 and 9. We know that 16 = 4² and 9 = 3², so what you're looking for is 4² - 3² = 7.
I hope it will help you :-)
Gdyrrahitis
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Oct 16, 2015
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Let x be first number and y- second number.
When you subtract first square number from second you get
and it is equal to 7.
Hence
.
Find factors of right and left sides:
.
Since
you have that
.
Add these equations:
.
Then x=7-y=7-4=3.
Answer:
Markos
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Oct 21, 2015
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Markos
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