Answer:
8/12
Step-by-step explanation:
2/3 x 4= 8/12
The first pump empties half the pond in 3 hours, so in 1/6 that time (1/2 hour), it empties (1/6)·(1/2) = 1/12 of the pond.
The second pump empties the other 5/12 of the pond in that half hour, so has a pumping rate of (1/2 h)/(5/12 pond) = (6/5 h)/pond.
The second pump could do the entire job alone in 1 hour and 12 minutes.
Answer:
36
Step-by-step explanation:
12 x 6 = 72 / 2 = 36 because the area of a triangle is base times height divided by 2
What are ya sayin
Step-by-step explanation:
Length = √area = √81 = 9
diagonal = √2 * side = √2*9 = 9√2
