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a) Find a recurrence relation for the number of ways to climb n stairs if the person climbing the stairs can take one, two, or three stairs at a time.
b) What are the initial conditions?
c) In many ways can this person climb a flight of eight stairs?
A string that contains only 0s, 1s, and 2s is called a ternary string
Holiday Inn wants to develop a 97% interval for the mean number of rooms occupied each night at its locations around the nation. How many nights must be included in the sample if an error of 50 rooms can be tolerated and a pilot sample reveals s =..
Annual profit in thousands of dollars is given by the function, P(x) = -.01x2 + 50x + 30,000, where x is the number of items sold, x ≥ 0.
Juan is shopping for a new CD player. He finds one he likes for $225. The sales tax is 7.5%. What will be the total cost of the CD player?
1.You want to make an investment in a continuously-compounding account over a period of three years. What interest rate is required for your investment to double in that time period? Round the logarithm value and the answer to the nearest tenth.
A manufacturer obtains GPS systems from three different subcontractors: 20% from A, 45% from B, and 35% from C. The defective rates for the subcontractors are 1%, 3% and 2%, respectively.
find the equation of the rectangular hyperbola.find the equation of the rectangular hyperbola which has its center at 2
the following data represents the number of points scored by players on a high school basketball team this
Small boxes of NutraFlakes cereal arelabeled "net weight 10 ounces." Each hour ,random samples of size n=4 boxes are weighed to check process control. five hours of observations yielded the following:
alica borrowed$9000 for two years .She paid $252 in simple interest. Which expression could be used to find the annual rate of interest she was charged?
Use the date in table above and answer the following questions in the space provided below: What is the nature of the effects of the factors studied in this experiment? What strategy would you use to reduce invoice errors, given the results of t..
The size of a certain bacteria culture doubles each hour. If the number of bacteria present initially is 3000, how many would be present at the end of 6 hours?
A square's side is increased by 6 yards, which corresponds to an increase in the area by 168 square yards. How many yards is the side of the initial square?
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