Alarge drain and a small drain are opened to drain a pool. the large drain can empty the pool in 3 h. after both drains have been open for 1 h, the large drain becomes clogged and is closed. the small drain remains open and requires 9 more hours to empty the pool. how long would it have taken the small drain, working alone, to empty the pool?

answer:

no< no< no< no< no< no< no< no< no

on my watch

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

add a pic of the graph, then ill edit this "answer" and solve it for you : 3

step-by-step explanation: