Answer:
i believe it is skewed. sorry if its wrong
Step-by-step explanation:
It is 140 degrees. You set the two equations equal to each other and you solve for x. After that, you can plug it into the first equation and get the answer. In this case, X is equal to 4.
9514 1404 393
Answer:
491,400 ft·lb
Step-by-step explanation:
The mass of the water is ...
M = Vρ = LWHρ = (25 ft)(15 ft)(7 ft)(62.4 lb/ft³) = 163,800 lb
The average depth is 3 ft, so the work required is equivalent to that required to raise this mass 3 ft.
W = (3 ft)(163,800 lb) = 491,400 ft·lb
