The distance #d# in miles that can be seen on the surface of the ocean is given by the formula # d=1.4 sqrt(h)# where #h# is the height in feet above the surface of the water. How high above the water would a pirate have to climb to see 16 miles?

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Answer 1 · 2018-07-25T00:53:01

I tried this:

Let us insert the distance in miles into the formula:

#16=1.4sqrt(h)#

rearrange:

#h=(16/1.4)^2=130.6~~131"ft"#