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OpenStudy (iluvsoccer):
Am I right? http://prntscr.com/d8nncx
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Vocaloid (vocaloid):
not quite
Vocaloid (vocaloid):
you multiplied the numerator and denominator by sqrt(7) correct?
Vocaloid (vocaloid):
what does sqrt(7) * sqrt(7) = ?
OpenStudy (iluvsoccer):
sqrt(49)
Vocaloid (vocaloid):
yes, and that equals 7
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Vocaloid (vocaloid):
so your denominator should be 7, not 49
OpenStudy (iluvsoccer):
So B.
Vocaloid (vocaloid):
good!
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