Un-Answered Questions { Mathematics }

n radians encompass what percent of a circle?

542


In statistics, what is the common term for the square root of the variance?

519


The imaginary unit I is numerically defined as what?

547


if the length of the cycloid is 4 times the diameter of a rotating circle, then the area under the arch traced out by that cycloid is how many times the area of therotating circle?

563


What types of math do you use? Re: calculus, algebra, fractions?

553


What is the cube root of 729?

534


Assuming a year in a dogs life is equivalent to 7 years of a humans life, what is 1 hour of a dogs life approximately equivalent to in a humans life?

543


Rounded off to the nearest whole year, how many years would it take for your money to double in an investment that was increasing with an annual compound rate of3.5%?

469


How many degrees are there in o radians?

588


What is the square root of 256?

556


If a 16 story building has 12000ft on each floor. Company a rents 7 floors and company b rents 4 floors. What is the number of square feet of unrented floor space?

576


During given week a programmer spend 1/4 of his time preparing charts,3/8 of his time for coding,rest of his time for debugging the programs.if he had 48 hrs during the week how many hours did he spend debugging the program?

531


if card punch operator can process 80 cards in half an hour how many cards can this process in 7hr 30min?

510


A computer tape library there are two racks with 40 tapes per rack.in a given day 30 tapes are in use . What fraction remains in the rack?

693


In normal distribution, approximately what percentage of the cases, to the nearest whole number, falls within 4 standard deviations of the mean?

495