biology
Which of the following problems do immigration and emigration pose for demographers?
physics
Your electronic friend needs a 20 ohms resistor but has only 40 ohms resistor. He tells you that he can combine them to produce a 20 ohms resistor? How?
algebra word problem
During the first part of a trip a canoeist travels 55 miles at a certain speed the canoeist travels 15miles on the second part of the trip, 5 miles per hour slower. The total time for the trip is 4hours. What was the speed on each part of the trip. This is what I have so far, ...
calculus
Determine which consecutive integers the real zeros of the function are located. f(x) = 4x^4 - 16x^3 - 25x^2 + 196x -146 Is there an easier way to this besides trial and error synthetic division? Also, how do I approximate the real zeros?
Health Information
C- self insure their employees I made a 100% on my exam!
algebra check answer
out of 40 problems I am stuck on this one. I am just going to turn it in. Goodnight everyone.
algebra check answer
I checked the two links and I still do not understand how to calculate it.
algebra check answer
To determine the number of deer in a game preserve, a conservationist catches 494 deer, tags them and lets them loose. later 463 deer are caught 231 of them are tagged. how many are in the preserve ? I came up with 494 in the preserve
algebra (check answer)
Sue can shovel snow from her driveway in 35 minutes. Bill can do the same job in 50 minutes. How long will it take Sue and Bill to shovel the driveway if they worked together. (1/35) + (1/50) T T=1 (1/35) + (1/50)= Is the answer: 21.25
Algebra 2
Story problems are my favorite. However, I can not figure this one out. THe stopping distance d of a car after the breaks are applied varies directly as the square of the speed r. If a car traveling at 70mph can stop in 270 ft. How many feet will it take the same car to stop w...
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