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OpenStudy (anonymous):
check answer please! If (x + 1)^2 = 55, what is the approximate positive value of x? 2.71 5.42 6.42 7.35
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OpenStudy (anonymous):
I believe it is 6.42
OpenStudy (anonymous):
@amistre64 @Azureilai
OpenStudy (amistre64):
is 7.42^2 approx to 55?
OpenStudy (amistre64):
5,25 6,36 7,49 ------- so yeah, its going to be between 7 and 8 8,64
OpenStudy (amistre64):
(7,8) - 1= (7,6) for the interval that will work
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OpenStudy (amistre64):
since 6.42 is the only option between 6 and 7 ... it seems fair to me
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