Nanamoney1770 Nanamoney1770
  • 13-01-2018
  • Mathematics
contestada

The sum of 3 integers is 56. if one of the integers is the square root of 625, and the second is twice the square root of 81 , then which prime number must be the third integer?

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jbmow
jbmow jbmow
  • 18-01-2018
a+b+c=56
a=√625=25
b=2√81 = 2x9=18
c = 56-25-18=13
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