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OpenStudy (anonymous):
algebra
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OpenStudy (anonymous):
OpenStudy (welshfella):
a^2 = c^2 - b^2
OpenStudy (anonymous):
158.07
OpenStudy (welshfella):
c = sqrt (155) what do i get if i square this?
OpenStudy (welshfella):
sqrt4 * sqrt 4 = 4 2 * 2 = 4
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OpenStudy (welshfella):
sqrt 155 * sqrt 155 = what
OpenStudy (welshfella):
By definition if you square the square root of a number, the answer is that number.
OpenStudy (welshfella):
so sqrt 155 * sqrt 155 = 155 and its the same of course for sqrt 31
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