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The total projected worldwide digital music reviews, R, and millions of dollars for the years 2005 through 2010 can be represented by the function R(x) =n170.7x2 + 1373x + 1080 where is X...

A technician can install a television transmission line in 5 h , and his helper can install it in 5 hours 18 minutes 22 seconds. How many hours will it take them to do it working together?

i need help with this math question>>>>I HAVE A COIL OF SHEET METAL WEIGHING A TOTAL OF 40,000 POUNDS, IT WEIGHS 6.875 POUNDS PER SQUARE FOOT, IT IS 84" WIDE... WHAT IS THE LENGTH...

Drug concentration. The concentration C of a certain drug in a patientâ€™s bloodstream hour after injection is given by C (t) = t/2t^2 +1 Find the horizontal asymptote (t). What happens to the concentration...

I need help with this problem: If a monthly health insurance premium costs \$285.14 and So far this year up until June, you made a payment of \$334.54 for January, \$235.74 for February, \$285.14...

If the probability that a certain tennis player will serve an ace is 1/4, what is the probability that he will serve exactly two aces out of 5 serves (assuming that the 5 serves are independent)?           Find...