# What is the best method for finding a leak in a 24' x 4' Intex Easy Set Pop up Swimming Pool without draining it?

swim around with goggles and when you think you've found a possible leak use blue dye to squirt around possible hole. If the dye gets sucked out you've found your hole.

### Is there a longhand method for finding cube roots?

Yes, there is a method similar to one method for determining square roots. You can also use logarithms to determine cube roots - more convenient than the algorithm, but still sort of longhand. Cube root of 5 = 10^(log5/3) Before calculators this was more of a longhand method since you had to get the logs from a table in your textbook and actually divide by 3 without a calculator.

### When is siphon used?

A syphon is used in 3 ways, either when draining a geyser, (particularly a gravity feed geyser), when installing a geyser, an anti syphon loop has to be installed to prevent the geyser from draining when the water has been switched off and lasted a syphon method can be used in the older type of toilet flushing mechanisms.