math
average cost suppose that the daily cost "C" of manufacturing bicyclesis given by c(x)=80x+5000. Then the average cost "C" is given by 80x+5000/x. How many bicyclesmust be produced each day for the average cost to be no more than $100? I am not understandin...
math
how do I order these fractions from least to greatest 5/9, 2/3, 7/12?
Math
Is 7 a complex number
Math
Mechanics are reboring a 6in deep cylinder to fit a new piston. The machine they are using increases the cylinders radius one-thousandths of an inch every 3 min. How rapidly is the cylinder volume increasing when the bore is 3.800 in.?
Math
A kite is being flown at a height of 300 ft, and the wind carries the kite horizontally away at a rate of 25ft/sec. How fast must the string be let out when the kite is 500ft away?
Math
Water is flowing at the rate of 50m^3/min from a concrete conical reservoir of base radius 45m and height 6m. How fast is is the water level falling when the water is 5m deep?
Math
A spherical balloon is inflated with helium at the rate of 100pi ft ^3/min. How fast is the ballon's radius increasing at the instant the radius is 5ft.?
math
a nutritional chart on the side of a box of a cereal state that there are 84 calories in a 3/4 cup serving. how man calories re in 5 cups of the cereal?
Chemistry
How (in g/L) of Ar at 32 degrees C and 342 mm Hg?
PreCalc
A card game uses a pack of 24 cards, consisting of ace, king, queen, jack, 10, and 9 in each of the four suits spade, hearts, diamonds and clubs. A hand consist of 6 cards. Find the probability a hand includes all four aces.
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