A tank is filled with 20 litres of water. Half the water is removed and replaced with anti freece and thoroughly mixed. Half thi

Question

2 years ago

15

A tank is filled with 20 litres of water. Half the water is removed and replaced with anti freece and thoroughly mixed. Half thi

s mixture is then removed and replaced with anti-freeze This process continues. find the first five terms in the sequence of amounts of water in the tank at each stage

Mathematics

1 answer:

mr Goodwill [35] · Answer 1 · 2022-12-17T16:15:22+03:00

mr Goodwill [35]2 years ago

7 0

Answer:

The sequence of amountof water is geometric(first term

20, commonratio

0.5) but the se-quence of antifreezeis not (a geometricsequence cannot havezero as its first termsince that would implythat all terms are zero).