Find the mean proportion between 25 and 400.
siddhartharao77:
sqrt(25and100)=11.18.
sorry.. sqrt (25and400) = 20.61
please explain this
is my answer correct
no
Answers
Answered by
101
Let the mean value between 25 and 400 = x
therefore 25:x :: x:400
⇒ x² = 25*400
x = 100
therefore 25:x :: x:400
⇒ x² = 25*400
x = 100
thank you for helping me
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