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Maximum Profit The cost per unit in the production of an MP3 player is
(a) The table shows the profits
(b) Plot the points
(c) Given that
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Chapter 2 Solutions
EBK COLLEGE ALGEBRA
- Heart Disease In a certain country, the number of deaths due to heart disease decreased from 235 in one year to 221 in the next year. What percentage decrease in deaths due to heart disease does this represent?arrow_forwardA company sells $160,000 worth of printing paper during its first year. The sales manager has set a goal of increasing annual sales of printing paper by $20,000 each year for 9 years. Assuming that this goal is met, find the total sales of printing paper during the first 10 years this company is in operation.arrow_forwardFinance A family has a monthly mortgage payment of $760, which is 16 of their monthly income. What is the family’s monthly income?arrow_forward
- Grade Point Average In many universities students are given grade points for each credit unit according to the following scale: A 4 points B 3 points C 2 points D 1 point F 0 point For example, a grade of A in a 3-unit course earns 43=12 grade points and a grade of B in a 5-unit course earns 35=15 grade points. A students grade point average GPA for these two courses is the total number of grade points earned divided by the number of units; in this case the GPA is (12+15)8=3.375. a Find a formula for the GPA of a student who earns a grade of A in a units of course work, B in b units, C in c units, D in d units and F in f units. b Find the GPA of a student who has earned a grade of A in two 3-unit courses, B in one 4-unit courses and C in three 3-unit courses.arrow_forwardFind the unknown principal(P), rate(r), time(t), and interest (I) to complete the table given. Show your solution and answer by uploading the picture, just click "Add file". Answer #1 PRINCIPAL (P) RATE (r) TIME (t) INTEREST (I) 2, 000 5% (#1) (#2) 88,000 500,000 1,000, 000 12% 5 20,000 8,000 285,000 (#35) (#3) 9.5% (#4) 0.5% 12arrow_forwardUse the result from part (c) to find the cost to the company if employee turnover is 39% in a yeararrow_forward
- 1Employees in 2012 paid 4.2% of their gross wages towards social security (FICA tax), while employers paid another 6.2%. How much will someone earn $21,000 a year pay towards social security out of their gross wages?$ 2The population of a town increased from 3700 in 2006 to 5450 in 2012. Find the absolute and relative (percent) increase.Absolute increase: Relative increase: % 3 A store has clearance items that have been marked down by 45%. They are having a sale, advertising an additional 60% off clearance items. What percent of the original price do you end up paying?%Give your answer accurate to at least one decimal place. A friend has a 82% average before the final exam for a course. That score includes everything but the final, which counts for 30% of the course grade.What is the best course grade your friend can earn? %What is the minimum score would your friend would need on the final to earn a 75% for the course? %Give answers accurate to at least one decimal place. 5A car…arrow_forwardpart Darrow_forwardEvaluke 271 de Ita costarrow_forward
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