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Mathematics 14 Online
OpenStudy (anonymous):

What is the value of x in the figure below? http://media.apexlearning.com/Images/200705/25/2e132036-df4b-4654-9fd5-a8f248519623.gif

OpenStudy (anonymous):

@biznessman @ganeshie8

ganeshie8 (ganeshie8):

10 is the geometric mean of x and 16 : \[\large 10 =\sqrt{x*16}\] solve \(x\)

OpenStudy (anonymous):

so its 2.5?

ganeshie8 (ganeshie8):

how ?

ganeshie8 (ganeshie8):

square both sides gives \[100=x*16\] divide 16 both sides, what do u get ?

OpenStudy (anonymous):

6.25

ganeshie8 (ganeshie8):

Yep!

OpenStudy (anonymous):

Thank you

ganeshie8 (ganeshie8):

yw

OpenStudy (anonymous):

Wait its not in the choices

OpenStudy (anonymous):

The choices are: A. 16 B. C. D. E. 8 F.

ganeshie8 (ganeshie8):

do you have \(\large \frac{25}{4}\) in ur options ?

OpenStudy (anonymous):

A. 16 B.radical 160 C.16/5 D. radical 5 E.8 F.25/4

OpenStudy (anonymous):

yes its F

ganeshie8 (ganeshie8):

25/4 is same as 6.25

OpenStudy (anonymous):

Okie dokie

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