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Hoi Chong Transport, Ltd., operates a fleet of delivery trucks in Singapore. The company has determined that if a truck is driven 105,000 kilometers during a year, the average operating cost is 11.40 cents per kilometer. If a truck is driven only 70,000 kilometers during a year, the average operating cost increases to 13.40 cents per kilometer.(The Singapore dollar is the currency used in Singapore.)
Using the high low method, estimate the variable cost and fixed cost elements of the annual cost of the truck operation.
What is the Fixed cost/yrWhat is the variable cost/km?
A street light is on top of a 10 foot pole. Joe, who is 6 feet tall, walks away from the pole at a rate of 4 feet per second. At whatspeed is the tip of Joe's shadow moving from the base of the pole when he is 15 feet from the pole?
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One study found that, all other things being equal, the number of seconds that a yellow light should be on is a linear function of the width of the crossing-street in feet.
A random sample of 700 NAU students in Flagstaff found 287 NAU students who drink coffee daily. Find a 95% confidence interval for the true percent of NAU students in Flagstaff who drink coffee daily. Express your results to the nearest hundredth ..
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The upper left-hand corner of a piece of paper 8 in. wide by 12 in. long is folded over to the righthand edge as in the figure. How would you fold it so as to minimize the length of the fold? In other words, how would you choose x to minimize y?
A rope is wrapped around a pole so that a force of 75 lbs acts on one end and a force of 53 lbs acts on the other end. If the angle between the two forces is 114 degrees what is the resultant force?
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