The pool at the apartment building is 30 feet long, 20 feet wide, and 5 feet deep. it has been filled 4 feet deep. how many more cubic feet of water are needed to finish filling the pool? a.600 cubic feet b.2,400 cubic feet c.3,000 cubic feet d.4,500 cubic feet

$79500

step-by-step explanation:

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92

i think its a.

hope this