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Question: In Example, we had a busy city street that intersected a one-way street. Suppose the traffic signal includes a protected left turn, and remodel the traffic pattern as a graph. How many vertex colors are needed for this graph? Is that more colors, fewer colors, or the same number of colors as was needed before? Now, look at your graph. Can you change the coloring (but still keep it proper) so that traffic flow will improve?
Example: Imagine, if you will, a road intersection with a traffic light. Every so often the traffic light changes, and after a while, the pattern of greens and reds and yellows on the traffic light repeats. This is a traffic-light cycle.
a merchant has 5 pounds of mixed nuts that cost $30. he wants to add peanuts that cost $1.50 per pound and cashews that cost $4.50 per pound to obtain 50 pounds of a mixture that cost $2.90 per pound. How many pounds of peanuts are needed?
An airplane is flying on a bearing of 265 degrees at 420 kmph. A wind is blowing with a bearing of 170 degrees at 20 mph. Find the actual speed and direction of the plane.
Let m and n be positive integers with n dividing m. Prove that the natural surjective ring projection Z/mZ ->Z/nZ is also surjective on the units:(Z/mZ)^x ->(Z/nZ)^x
A hollow aluminum cylinder 20cm deep has an internal capacity of 2 L at 20°C. It is completely filled with turpentine and then slowly warmed to 80°C. a) how much turpentine overflows? b) If the cylinder is then cooled back to 20°C how far below th..
Compare and contrast leadership development interventions with career development interventions? In what areas and activities might they overlap?
the number of seconds of continuous spray yielded by cans of a brand of outdoor fogger is normally distributed with a
RETIREMENT FUNDS Five and a half years ago, Chris invested $10,000 in a retirement fund that grew at the rate of 10.82%/year compounded quarterly.
One group of men was provided with access to an exercise program and tested two times over a 6-month period for heart health.
A computer sale is happening
Consider the farmer in Exercise whose field borders the river. Assume he wants the area of the plot to be 800 square feet.
Calculate a 95 percent confidence interval for the population mean
Let xn be a sequence of real numbers.
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