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October 22, 2014

October 22, 2014

Posted by **allen** on Friday, May 4, 2007 at 2:57pm.

the formula i need to us for this

if i am correct

7^2m-3^2m=40m

am i corect with this

That is the right formula, however, you failed to take the square root of 40.

length=sqrt(40) meters.

7^2m-3^2m=40^2m

49m-3^2m=40^2m

49m-9m=40^2m

40m=40^2m

40m=1600m

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