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i wouldnt thumbs down my own question........

no i just got back on the tab i said thumbs up to both of you......

$$$\log{\sqrt{\frac{2t}{5w}}}=\frac{1}{2}(\log{2t}-\log{5w})=\frac{1}{2}(\log{2}+\log{t}-\log{5}-\log{w})$$$

Expanded about as far as it will go! 

anonymous if u meant " 1-(-1) " then the answer is ;

1-(-1)

=1+1

=2

Let's blame it on.............zegroes!!!

(We know you did it, zegroes........confess...now!!)

Who is giving all the thumbs down?

You'd better give me a thumbs up........

Or I'll sic the Dinosaur on you............

And I mean it !!!

Good evening reinout.  You got 4 pts anyway and it was only a little error.

ill give you both a thumbs up

@Melody yes

I think reinout-g made a slight mistake...it should be the tan of 18 degrees, not 28 degrees

thank u melody

hmmm i did the math and i think hes older than melody and Cphill COMBINED!!!!!lol just kidding maybe.......

do you mean

$$log \sqrt{\frac{2t}{5w}}$$

Okay, so we have two different answers which should in fact be the same and I haven't got a clue why 

Melody, I have to go but if my answer is wrong please white it for me 

Reinout

im dissapointed melody didnt answer my question......

thanks you two

Yes I know it was just a joke.

I'm just a bit thick sometimes.

Sorry.  You sound tired.

Actually it is probably me that is tired it is only about 5 pm in Groningen and it is 1am in Sydney.

Enjoy your evening.

OK, zegroes.....we have a right triangle......we know one side, the height of the tower which is 80 ft and we're trying to find the adjacent side, i.e., the distance the stake is from the tower.

So we have

tan 72 = opposite / adjacent

tan 72 = 80/ adjacent           multiply by "adjacent" on each side

adjacent * tan 72 = 80          divide by the tan 72 on both sides

(adjacent =   80 / tan 72 ) =   about 26 ft.

And that's how far the stake is from the tower base

I'll include a picture if you need it

It was just a joke Melody, never mind 

I copied this straight from wikipedia;

It was a rebus for very smart [ferry smart]

Sorry reinout.  I still do not get it.

And I keep getting non-existant mail.

And everytime anyone makes a post it seems to be popping up on my screen.

Did you get the new message that I just sent to you reinout?

No i didn't, you still haven't put it into the calculator properly!  Just follow my instructions.

oh come on dragon ball z was in your guys time periods and i know more about it!!!  sad really