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A manager of a store that sells and installs spas wants to prepare a forecast for January, February, and March of next year. Her forecasts are a combination of trend and seasonality. She uses the following equation to estimate the trend component of monthly demand: Ft = 50 + 5t, where t = 0 in June of last year. Seasonal relatives are .95 for January, 1.01 for February, and 1.03 for March. What demands should she predict? (Round your answers to 2 decimal places.)
Month
Forecast
January of the next year
February of the next year
March of the next year
A new bridge is being constructed. The space between the support needs to be 1050 feet; the height at the center of the arch needs to be 350 feet. An empty tanker needs a 280 foot clearance to pass beneath it.
Let G be the set of the fifth roots of unity. Use de Moivre's formula to verify that the fifth roots of unity form a group under complex multiplication, showing all work. Prove that G is isomorphic to Z5 under addition by doing the following: State e..
The difference between the ages of two friends is 2 years. The sum of their ages is 74 years. Find the age of the older friend.
Which of the following is NOT a characteristic of an ideal statistician?
How much a point is worth depends regarding how likely sport is to land on that placement. The best evidence to use in estimating this probability is generally historical data for that sport. When you in order to be know just how much better Over 187..
Use this formula to find how many terms are needed to estimate with an error less than .
Find the local maximum and minimum values and saddle point(s) of the function. If you have three dimensional graphing software, graph the function with a domain and viewpoint that reveal all the important aspects of the function.
If the primal problem has multiple optimal solutions (the line segment from (x,y) to (x',y')), then does this necessarily imply that the dual problem also has multiple optimal solutions as well, or is it possible that the optimal solution to th..
which of the following relations in 0123 are equivalence relations? if the given relation is an equivalence relation
Sketch the region of integrate D in the xy plane. Write the double integral I as ail iterated integral with order dy dx. and then use it to evaluate the double integral.
Find the equation for the plane tangent to the paraboloid z = 2x2 + 3y2 that is also parallel to the plane 4x - 3y - z = 10
two minor league baseball players got a total of 390 hits. Washington had 2 more hits than sanchez find the number of hits for each player.
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