Cleaning pumps remove oil at the rate modeled by the function r, given by r of t equals 2 plus the cosine of the quantity pi times t divided by 11 with t measure in hours and and r(t) measured in gallons per hour. how much oil will the pumping stations remove during the 6-hour period from t = 0 to t = 6? give 3 decimal places.

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm