
Mathematics: A Practical Odyssey
8th Edition
ISBN: 9781305104174
Author: David B. Johnson, Thomas A. Mowry
Publisher: Cengage Learning
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Textbook Question
Chapter 5.3, Problem 6E
On August 19, Rachael Westlake started an annuity. She arranged to have $110 deducted
from her end of month paychecks. The money would earn
monthly.
a. Find the future value of the account on December 1 using an Amortization Formula.
b. Find the future value of the account on December 1 by applying the Compound Interest Formula to each payment individually.
c. Rachael’s total contribution to the account.
d. The total interest.
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Chapter 5 Solutions
Mathematics: A Practical Odyssey
Ch. 5.1 - In Exercises 1-4, find the number of days....Ch. 5.1 - In Exercises 1-4, find the number of days. a.July1...Ch. 5.1 - In Exercises 1-4, find the number of days....Ch. 5.1 - In Exercises 1-4, find the number of days....Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...Ch. 5.1 - In Exercises 5-10, find the simple interest of the...
Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 11-14, find the future value of the...Ch. 5.1 - In Exercises 1520, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 15-20, find the maturity value of the...Ch. 5.1 - In Exercise 15-20, find the maturity value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 21-26 find the present value of the...Ch. 5.1 - In Exercises 2126 find the present value of the...Ch. 5.1 - In Exercises 2126 find the present value of the...Ch. 5.1 - If you borrow 1,000 at 8.5 interest and the loan...Ch. 5.1 - If you borrow 1,700 at 5.25 interest and the loan...Ch. 5.1 - The Square Wheel Bicycle store has found that they...Ch. 5.1 - Ernie Bilko has a business idea. 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You have maxed out your credit card and owe...Ch. 5.1 - Could Exercise 512 all be done with the Simple...Ch. 5.1 - Prob. 50ECh. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises 1-6, find the periodic rate that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercises7-10, fincl the number of periods that...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 11-16, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In Exercise 17-20, a find and b interpret the...Ch. 5.2 - In the Exercises21 and 22, find and interpret the...Ch. 5.2 - In the Exercises 21 and 22, find and interpret the...Ch. 5.2 - In the Exercise 2326, a find and b interpret the...Ch. 5.2 - In the Exercise 24, find and interpret the present...Ch. 5.2 - In Exercises 23-26, a find and b interpret the...Ch. 5.2 - In Exercises 23-26, a find and b interpret the...Ch. 5.2 - 10,000 is deposited in an account in which it...Ch. 5.2 - 20,000 is deposited in an account in which it...Ch. 5.2 - 15,000 is deposited in an account in which it...Ch. 5.2 - 30,000 is deposited in an account in which it...Ch. 5.2 - Donald Trumptobe decided to build his own dynasty....Ch. 5.2 - How much would Donald Trumptobe in Exercise 31...Ch. 5.2 - Donald Trumptobe in Exercise 31 predicts that in...Ch. 5.2 - Donald Trumptobe in Exercise 31 predicts that in...Ch. 5.2 - When Jason Levy was born, his grandparents...Ch. 5.2 - When Alana Cooper was born, her grandparents...Ch. 5.2 - For Exercises 3740, note the following...Ch. 5.2 - For Exercises 37-40, note the following...Ch. 5.2 - For Exercises 37-40, note the following...Ch. 5.2 - For Exercises 37-40, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - For Exercises 41-46, note the following...Ch. 5.2 - Recently, Bank of the West offered six-month CDs...Ch. 5.2 - Recently, Bank of the West offered six-month CDs...Ch. 5.2 - Prob. 49ECh. 5.2 - Prob. 50ECh. 5.2 - Prob. 51ECh. 5.2 - Prob. 52ECh. 5.2 - Prob. 53ECh. 5.2 - Prob. 54ECh. 5.2 - Prob. 55ECh. 5.2 - Prob. 56ECh. 5.2 - Prob. 57ECh. 5.2 - Prob. 58ECh. 5.2 - Prob. 59ECh. 5.2 - Exercises 5762 refer to Benjamin Franklins gift,...Ch. 5.2 - Prob. 61ECh. 5.2 - Prob. 62ECh. 5.2 - Explain how compound interest is based on simple...Ch. 5.2 - Why is there no work involved in finding the...Ch. 5.2 - Why is there no work involved in finding the...Ch. 5.2 - Which should be higher: the annual yield of a...Ch. 5.2 - Why should the annual yield of a given compound...Ch. 5.2 - Explain the difference between simple interest and...Ch. 5.2 - If money earns compound interest, why must the...Ch. 5.2 - Prob. 70ECh. 5.2 - Prob. 71ECh. 5.2 - Prob. 72ECh. 5.2 - Prob. 73ECh. 5.2 - Prob. 75ECh. 5.2 - If 1,000 is deposited into an account that earns 5...Ch. 5.2 - Do the following.Give the number of periods and...Ch. 5.2 - Do the following.Give the number of periods and...Ch. 5.2 - If you invest 10,000 at 8.125 interest compounded...Ch. 5.2 - If you invest 15,000 at 938 interest compounded...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - In Exercises 1-14, find the future value of the...Ch. 5.3 - On September 8, Bert Sarkis started an annuity. 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He puts 10...Ch. 5.4 - Guy de Primo buys a car for 9837.91. He puts 10...Ch. 5.4 - Gary Kersting buys a house for 212,500. He puts 20...Ch. 5.4 - Shirley Trembley buys a house for 187,600. She...Ch. 5.4 - Harry and Natalie Wolf have a three-year-old loan...Ch. 5.4 - Russ and Roz Rosow have a ten-year-old loan with...Ch. 5.4 - Michael and Lynn Sullivan have a ten-year-old loan...Ch. 5.4 - Charlie and Ellen Wilson have a...Ch. 5.4 - Ray and Helen Lee bought a house for 189,500. They...Ch. 5.4 - Jack and Laurie Worthington bought a house for...Ch. 5.4 - a. If the Lees in Exercise 37 save for their...Ch. 5.4 - a. If the Worthingtons in Exercise 38 save for...Ch. 5.4 - In July 2005, Tom and Betty bought a house for...Ch. 5.4 - In August 2004, Bonnie Martin bought a house for...Ch. 5.4 - Al-Noor Koorji bought a house for 189,000. He put...Ch. 5.4 - The Franklins bought a house for 265,000. They put...Ch. 5.4 - To get your bachelors degree, you incurred 50,000...Ch. 5.4 - To get your bachelors degree, you incurred 50,000...Ch. 5.4 - Prob. 47ECh. 5.4 - Prob. 48ECh. 5.4 - Prob. 49ECh. 5.4 - Prob. 50ECh. 5.4 - Prob. 51ECh. 5.4 - Prob. 52ECh. 5.4 - Prob. 53ECh. 5.4 - Prob. 54ECh. 5.4 - Prob. 55ECh. 5.4 - This is an exercise in buying a car. It involves...Ch. 5.4 - Trustworthy Savings offers a thirty-year...Ch. 5.4 - American Dream Savings Bank offers a thirty-year...Ch. 5.4 - Bank Two offers a thirty-year adjustable-rate...Ch. 5.4 - Prob. 60ECh. 5.4 - Prob. 61ECh. 5.4 - Prob. 62ECh. 5.4 - Prob. 63ECh. 5.4 - Prob. 64ECh. 5.4 - Prob. 65ECh. 5.4 - Prob. 66ECh. 5.4 - Prob. 67ECh. 5.4 - Prob. 68ECh. 5.4 - Prob. 69ECh. 5.4 - Prob. 70ECh. 5.4 - Prob. 71ECh. 5.4 - Prob. 72ECh. 5.5 - Prob. 1ECh. 5.5 - Prob. 2ECh. 5.5 - Prob. 3ECh. 5.5 - Prob. 4ECh. 5.5 - The Roths bought a house for 432,500. They paid...Ch. 5.5 - The Hoblets bought a house for 799,900. They paid...Ch. 5.5 - The Trivedis bought a house for 287,300. They paid...Ch. 5.5 - The Roschunis bought a house for 763,500. They...Ch. 5.5 - Prob. 9ECh. 5.5 - Prob. 10ECh. 5.5 - Prob. 11ECh. 5.5 - Prob. 12ECh. 5.5 - Prob. 13ECh. 5.5 - Prob. 14ECh. 5.5 - Prob. 15ECh. 5.5 - Prob. 16ECh. 5.5 - Prob. 17ECh. 5.5 - Prob. 18ECh. 5.5 - Prob. 19ECh. 5.6 - Cheryl Wilcox is planning for her retirement, so...Ch. 5.6 - Prob. 2ECh. 5.6 - Dean Gooch is planning for his retirement, so he...Ch. 5.6 - Holly Krech is planning for her retirement, so she...Ch. 5.6 - a. How large a monthly payment must Cheryl Wilcox...Ch. 5.6 - Prob. 6ECh. 5.6 - a. How large a monthly payment must Dean Gooch...Ch. 5.6 - a. 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- A fluid has density 800 kg/m³ and flows with velocity v = xi + yj + zk, where x, y, and z are measured in meters, and the components of u are measured in meters per second. Find the rate of flow outward through the part of the paraboloid z = 64 - x² - y² that lies above the xy plane.arrow_forward۳/۱ : +0 العنوان I need a detailed drawing with explanation R₂ = X2 2) slots per pole per phase 3/31 Le msl 180 60 Kd Ka Sin (1) Isin (6) sin(30) Sin (30) اذا ميريد شرح الكتب بس 0 بالفراغ 3) Cos (30) 0.866 4) Rotating 5) Synchronous speed, 120 x 50 S = 1000-950 1000 Copper bosses: 5kw Rotor input 5 6 : loo kw 6) 1 0.05 اذا ميريد شرح الكتب فقط 100 7) rotor DC 1000 ined sove in peaper I need a detailed solution on paper please // Find the solution of: |(2xy³ + 4x)y' = x²y² + y² 351 // Find the solution of: (1) 2xyy' = 1+ y² 01 175 T Τ Marrow_forwardFind the flux of the vector field F = (y,−x, 2²) through the helicoid with parameterization r(u, v) = (u cos v, u sin v, v) 0 ≤ u≤ 3, 0 ≤v≤ oriented away from the origin.arrow_forward
- they take? 8.1.13 WP GO Tutorial An article in the Journal of Agricultural Science ["The Use of Residual Maximum Likelihood to Model Grain Quality Characteristics of Wheat with Variety, Climatic and Nitrogen Fertilizer Effects” (1997, Vol. 128, pp. 135–142)] investigated means of wheat grain crude protein content (CP) and Hagberg falling number (HFN) surveyed in the United Kingdom. The analysis used a variety of nitrogen fertilizer applications (kg N/ha), temperature (°C), and total monthly rainfall (mm). The following data below describe temperatures for wheat grown at Harper Adams Agricultural College between 1982 and 1993. The temperatures measured in June were obtained as follows: 15.2 14.2 14.0 12.2 14.4 12.5 14.3 14.2 13.5 11.8 15.2 Assume that the standard deviation is known to be σ = 0.5. a. Construct a 99% two-sided confidence interval on the mean temperature. b. Construct a 95% lower-confidence bound on the mean temperature. c. Suppose that you wanted to be 95% confident that…arrow_forward1 S 0 sin(lnx) x² - 1 Inx dxarrow_forward8.1.1 WP For a normal population with known variance σ², answer the following questions: - a. What is the confidence level for the interval x — 2.140/ √√n≤≤+2.140/√√n?arrow_forward
- 8.1.8 A civil engineer is analyzing the compressives trength of concrete. Compressive strength is normally distributed with σ2 = 1000(psi)2. A random sample of 12 specimens has a mean compressive strength ofx = 3250 psi. a. Construct a 95% two-sided confidence interval on mean compressive strength. b. Construct a 99% two-sided confidence interval on mean compressive strength. Compare the width of this confidence interval with the width of the one found in part (a). 8.1.9Suppose that in Exercise 8.1.8 it is desired to estimate the compressive strength with an error that is less than 15 psi at 99% confidence. What sample size is required?arrow_forward8.1.12 Ishikawa et al. [“Evaluation of Adhesiveness of Acinetobacter sp. Tol 5 to Abiotic Surfaces,” Journal of Bioscience and Bioengineering (Vol. 113(6), pp. 719–725)] studied the adhesion of various biofilms to solid surfaces for possible use in environmental technologies. Adhesion assay is conducted by measuring absorbance at A590. Suppose that for the bacterial strain Acinetobacter, five measurements gave readings of 2.69, 5.76, 2.67, 1.62, and 4.12 dyne-cm2. Assume that the standard deviation is known to be 0.66 dyne-cm2. a. Find a 95% confidence interval for the mean adhesion. b. If the scientists want the confidence interval to be no wider than 0.55 dyne-cm2, how many observations should they take?arrow_forwardAnswer questions 8.2.1 and 8.2.2 respectivelyarrow_forward
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