Questions and Answers of College Mathematics For Business Economics

Solve Problems 15–19. 7k 15 3 + k 5 k - 3 3 +2
Solve Problems 15–19. 0.04x + 0.35(2-x) = 7.2
Solve Problems 15–19. 0.6(x4) + 0.35x = 4.3
Solve Problems 20–24 and graph on a real number line. 2(x+4) > 5r – 4 5x
Given Ax + By = 30, graph each of the following cases on the same coordinate axes. (A) A = 5 and B = 0 (C) A = 6 and B = 5 (B) A = 0 and B = 6
A person has just won $400,000 in a lottery. If part is invested at 4% and the rest at 10%, how much should be invested at 4% to yield 9% on the total amount?
You have just come inherited $500,000, which you plan to invest to yield 10%. If the investment opportunities you choose return 8% and 12%, individually, how much should you choose to invest in each?
Due to bad economic conditions, a home valued at $500,000 in 2008 dropped in value to $300,000 in 2012. Assuming the value of the house depreciated according to a linear model,(A) Find the linear
A sporting goods store sells tennis rackets that cost $130 for $208 and court shoes that cost $50 for $80.(A) If the markup policy of the store for items that cost over $10 is linear and is reflected
The U.S. Consumer Price Index (CPI) in recent years is given in Table 3. A scatter plot of the data and linear regression line are shown in the figure, where x represents years since 2000. A).
A marketing company receives a fixed monthly payment of $5000 from a local telephone company for attracting new customers plus a commission of 15% on all sales over $50,000 during the month. Find the
The figure contains a scatter plot of 20 data points for white pine trees and the linear regression model for this data. (A) Interpret the slope of the model. (B) What is the effect of a 1-in.
Solve x-4 3 15 ||
Solve 5x + 7 = 9x + 11.

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