MyLab Math with Pearson eText -- 24-Month Standalone Access Card -- for College Algebra in Context
MyLab Math with Pearson eText -- 24-Month Standalone Access Card -- for College Algebra in Context
5th Edition
ISBN: 9780135909621
Author: HARSHBARGER, Ronald, YOCCO, Lisa
Publisher: PEARSON
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Chapter 2.3, Problem 21E

In Exercises 15–24. solve the systems of equations by elimination, if a solution exists.

21. { 3 x + 6 y = 12 4 y − 8 = − 2 x

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A: Tan Latitude / Tan P A = Tan 04° 30'/ Tan 77° 50.3' A= 0.016960 803 S CA named opposite to latitude, except when hour angle between 090° and 270°) B: Tan Declination | Sin P B Tan 052° 42.1'/ Sin 77° 50.3' B = 1.34 2905601 SCB is alway named same as declination) C = A + B = 1.35 9866404 S CC correction, A+/- B: if A and B have same name - add, If different name- subtract) = Tan Azimuth 1/Ccx cos Latitude) Tan Azimuth = 0.737640253 Azimuth = S 36.4° E CAzimuth takes combined name of C correction and Hour Angle - If LHA is between 0° and 180°, it is named "west", if LHA is between 180° and 360° it is named "east" True Azimuth= 143.6° Compass Azimuth = 145.0° Compass Error = 1.4° West Variation 4.0 East Deviation: 5.4 West
A: Tan Latitude / Tan P A = Tan 04° 30'/ Tan 77° 50.3' A= 0.016960 803 S CA named opposite to latitude, except when hour angle between 090° and 270°) B: Tan Declination | Sin P B Tan 052° 42.1'/ Sin 77° 50.3' B = 1.34 2905601 SCB is alway named same as declination) C = A + B = 1.35 9866404 S CC correction, A+/- B: if A and B have same name - add, If different name- subtract) = Tan Azimuth 1/Ccx cos Latitude) Tan Azimuth = 0.737640253 Azimuth = S 36.4° E CAzimuth takes combined name of C correction and Hour Angle - If LHA is between 0° and 180°, it is named "west", if LHA is between 180° and 360° it is named "east" True Azimuth= 143.6° Compass Azimuth = 145.0° Compass Error = 1.4° West Variation 4.0 East Deviation: 5.4 West
Direction: Strictly write in 4 bond paper, because my activity sheet is have 4 spaces. This is actually for maritime. industry course, but I think geometry can do this. use nautical almanac. Sample Calculation (Amplitude- Sun): On 07th May 2006 at Sunset, a vesel in position 10°00'N 0 10°00' W observed the sun bearing 288° by compass. Find the compass error. LMT Sunset 07d 18h 13m (+)00d 00h 40 м LIT: UTC Sunset: 07d 18h 53 m added - since longitude is westerly Declination Co7d 18h): N016° 55.5' d(0.7): (+) 00-6 N016 56.1' Declination Sun: Sin Amplitude Sin Declination (Los Latitude - Sin 016° 56.1'/Cos 10°00' = 0.295780189 Amplitude = WI. 2N (The prefix of amplitude is named easterly if body is rising. and westerly of body is setting. The suffix is named came as declination.) True Bearing: 287.20 Compass Bearing 288.0° Compass Error: 0.8' West

Chapter 2 Solutions

MyLab Math with Pearson eText -- 24-Month Standalone Access Card -- for College Algebra in Context

Ch. 2.1 - In Exercises 112, solve the equations. 1. 5x 14 =...Ch. 2.1 - In Exercises 112, solve the equations. 2. 3x 2 =...Ch. 2.1 - In Exercises 112, solve the equations. 3. 3(x 7)...Ch. 2.1 - In Exercises 112, solve the equations. 4. 5(y 6)...Ch. 2.1 - In Exercises 112, solve the equations. 5....Ch. 2.1 - In Exercises 112, solve the equations. 6....Ch. 2.1 - In Exercises 112, solve the equations. 7....Ch. 2.1 - In Exercises 112, solve the equations. 8....Ch. 2.1 - In Exercises 112, solve the equations. 9. 5.92t =...Ch. 2.1 - In Exercises 112, solve the equations. 10. 0.023x...
Ch. 2.1 - In Exercises 112, solve the equations. 11....Ch. 2.1 - In Exercises 112, solve the equations. 12....Ch. 2.1 - 3(x 1) + 5 = 4(x 3) 2(2x 3)Ch. 2.1 - 5x (x 2) + 7 = (2x 9) 8(3x + 6)Ch. 2.1 - Prob. 15ECh. 2.1 - Prob. 16ECh. 2.1 - Prob. 17ECh. 2.1 - Prob. 18ECh. 2.1 - Prob. 19ECh. 2.1 - Prob. 20ECh. 2.1 - Prob. 21ECh. 2.1 - Prob. 22ECh. 2.1 - Prob. 23ECh. 2.1 - Prob. 24ECh. 2.1 - Prob. 25ECh. 2.1 - Prob. 26ECh. 2.1 - Prob. 27ECh. 2.1 - Prob. 28ECh. 2.1 - Prob. 29ECh. 2.1 - Prob. 30ECh. 2.1 - Prob. 31ECh. 2.1 - Prob. 32ECh. 2.1 - Prob. 33ECh. 2.1 - Prob. 34ECh. 2.1 - Prob. 35ECh. 2.1 - In Exercises 3340, solve the equations using...Ch. 2.1 - Prob. 37ECh. 2.1 - Prob. 38ECh. 2.1 - Prob. 39ECh. 2.1 - Prob. 40ECh. 2.1 - Prob. 41ECh. 2.1 - Solve V=13r2h for h.Ch. 2.1 - Prob. 43ECh. 2.1 - Prob. 44ECh. 2.1 - Prob. 45ECh. 2.1 - Prob. 46ECh. 2.1 - Prob. 47ECh. 2.1 - Prob. 48ECh. 2.1 - Prob. 49ECh. 2.1 - Prob. 50ECh. 2.1 - Prob. 51ECh. 2.1 - Temperature Conversion The equation 5F 9C = 160...Ch. 2.1 - Prob. 53ECh. 2.1 - Prob. 54ECh. 2.1 - Prob. 55ECh. 2.1 - Prob. 56ECh. 2.1 - Prob. 57ECh. 2.1 - Reading Score The average reading score on the...Ch. 2.1 - Prob. 59ECh. 2.1 - Prob. 60ECh. 2.1 - Prob. 61ECh. 2.1 - Prob. 62ECh. 2.1 - Prob. 63ECh. 2.1 - Prob. 64ECh. 2.1 - Prob. 65ECh. 2.1 - Population of Females Under 18 Using projected...Ch. 2.1 - Prob. 67ECh. 2.1 - Prob. 68ECh. 2.1 - Prob. 69ECh. 2.1 - Prob. 70ECh. 2.1 - Prob. 71ECh. 2.1 - Prob. 72ECh. 2.1 - Prob. 73ECh. 2.1 - Prob. 74ECh. 2.1 - Prob. 75ECh. 2.1 - Salaries A man earning 100,000 per year has his...Ch. 2.1 - Prob. 77ECh. 2.1 - Prob. 78ECh. 2.1 - Prob. 79ECh. 2.1 - Prob. 80ECh. 2.1 - Prob. 81ECh. 2.1 - Investment If an investment at 7% simple interest...Ch. 2.1 - Prob. 83ECh. 2.1 - Prob. 84ECh. 2.1 - Prob. 85ECh. 2.1 - Prob. 86ECh. 2.1 - Prob. 87ECh. 2.1 - Land Cost The cost of land in Savannah is directly...Ch. 2.2 - Report models to three decimal places unless...Ch. 2.2 - Report models to three decimal places unless...Ch. 2.2 - Discuss whether the data shown in the scatter...Ch. 2.2 - Prob. 4ECh. 2.2 - Create a scatter plot for each of the sets of data...Ch. 2.2 - Create a scatter plot for each of the sets of data...Ch. 2.2 - Can the scatter plot in Exercise 5 be fit exactly...Ch. 2.2 - Can the scatter plot in Exercise 6 be fit exactly...Ch. 2.2 - Find the linear function that is the best fit for...Ch. 2.2 - Find the linear function that is the best fit for...Ch. 2.2 - Use the data in the following table for Exercises...Ch. 2.2 - Use the data in the following table for Exercises...Ch. 2.2 - Use the data in the following table for Exercises...Ch. 2.2 - Use the data in the following table for Exercises...Ch. 2.2 - Use the data in the table for Exercises 1518. 15....Ch. 2.2 - Use the data in the table for Exercises 1518. 16....Ch. 2.2 - Use the data in the table for Exercises 1518. 17....Ch. 2.2 - Prob. 18ECh. 2.2 - Prob. 19ECh. 2.2 - Prob. 20ECh. 2.2 - Prob. 21ECh. 2.2 - Prob. 22ECh. 2.2 - Prob. 23ECh. 2.2 - Prob. 24ECh. 2.2 - Social Security Benefits The figure shows how...Ch. 2.2 - Future Value of an Investment If 1000 is invested...Ch. 2.2 - Drug Doses The table below shows the usual dosage...Ch. 2.2 - Cardiac Health A Paramount elliptical machine...Ch. 2.2 - Disposable Income Disposable income is the amount...Ch. 2.2 - Oil Imports Crude oil and petroleum products are...Ch. 2.2 - Annual Wage The table gives the average annual...Ch. 2.2 - Consumer Price Index The table on the next page...Ch. 2.2 - Diabetes As the following table shows, projections...Ch. 2.2 - Carbon Dioxide Emissions The table gives the...Ch. 2.2 - U.S. Population Over Age 16 The table gives the...Ch. 2.2 - U.S. Population The following table gives...Ch. 2.2 - Prob. 37ECh. 2.2 - Non-White Population The graph gives the number of...Ch. 2.2 - Prob. 39ECh. 2.2 - Civilian Labor Force The table gives the size of...Ch. 2.2 - Obesity People who are severely obese (BMI 40)...Ch. 2.2 - Male Civilian Labor Force The table gives the male...Ch. 2.2 - Population of the World The table on the following...Ch. 2.2 - Prob. 44ECh. 2.2 - Prob. 45ECh. 2.3 - Determine if each ordered pair is a solution of...Ch. 2.3 - Determine if each ordered pair is a solution of...Ch. 2.3 - What are the coordinates of the point of...Ch. 2.3 - Give the coordinates of the point of intersection...Ch. 2.3 - In Exercises 58, solve the systems of equations...Ch. 2.3 - In Exercises 58, solve the systems of equations...Ch. 2.3 - Prob. 7ECh. 2.3 - Prob. 8ECh. 2.3 - Prob. 9ECh. 2.3 - Prob. 10ECh. 2.3 - In Exercises 1114, solve the systems of equations...Ch. 2.3 - In Exercises 1114, solve the systems of equations...Ch. 2.3 - In Exercises 1114, solve the systems of equations...Ch. 2.3 - Prob. 14ECh. 2.3 - In Exercises 1524, solve the systems of equations...Ch. 2.3 - Prob. 16ECh. 2.3 - In Exercises 1524, solve the systems of equations...Ch. 2.3 - Prob. 18ECh. 2.3 - In Exercises 1524, solve the systems of equations...Ch. 2.3 - Prob. 20ECh. 2.3 - In Exercises 1524. solve the systems of equations...Ch. 2.3 - Prob. 22ECh. 2.3 - In Exercises 1524, solve the systems of equations...Ch. 2.3 - Prob. 24ECh. 2.3 - In Exercises 2534, solve the systems of equations...Ch. 2.3 - Prob. 26ECh. 2.3 - Prob. 27ECh. 2.3 - Prob. 28ECh. 2.3 - Prob. 29ECh. 2.3 - Prob. 30ECh. 2.3 - Prob. 31ECh. 2.3 - Prob. 32ECh. 2.3 - Prob. 33ECh. 2.3 - Prob. 34ECh. 2.3 - Prob. 35ECh. 2.3 - Prob. 36ECh. 2.3 - Prob. 37ECh. 2.3 - Break-Even A manufacturer of automobile air...Ch. 2.3 - Prob. 39ECh. 2.3 - Prob. 40ECh. 2.3 - Concerta and Ritalin Concerta and Ritalin are two...Ch. 2.3 - Prob. 42ECh. 2.3 - Prob. 43ECh. 2.3 - Prob. 44ECh. 2.3 - Prob. 45ECh. 2.3 - Age at First Marriage and First Birth The graph...Ch. 2.3 - Prob. 47ECh. 2.3 - Prob. 48ECh. 2.3 - Prob. 49ECh. 2.3 - Prob. 50ECh. 2.3 - Investment One safe investment pays 8% per year,...Ch. 2.3 - Investment A woman invests 52,000 in two different...Ch. 2.3 - Prob. 53ECh. 2.3 - Prob. 54ECh. 2.3 - Prob. 55ECh. 2.3 - Prob. 56ECh. 2.3 - Prob. 57ECh. 2.3 - Prob. 58ECh. 2.3 - Prob. 59ECh. 2.3 - Prob. 60ECh. 2.3 - Prob. 61ECh. 2.3 - Prob. 62ECh. 2.3 - Prob. 63ECh. 2.3 - Prob. 64ECh. 2.3 - Prob. 65ECh. 2.3 - Prob. 66ECh. 2.3 - Market Equilibrium A retail chain will buy 900...Ch. 2.4 - In Exercises 112, solve the inequalities both...Ch. 2.4 - In Exercises 112, solve the inequalities both...Ch. 2.4 - In Exercises 112, solve the inequalities both...Ch. 2.4 - In Exercises 112, solve the inequalities both...Ch. 2.4 - Prob. 5ECh. 2.4 - Prob. 6ECh. 2.4 - Prob. 7ECh. 2.4 - In Exercises 112, solve the inequalities both...Ch. 2.4 - Prob. 9ECh. 2.4 - Prob. 10ECh. 2.4 - Prob. 11ECh. 2.4 - Prob. 12ECh. 2.4 - In Exercises 13 and 14, solve graphically by the...Ch. 2.4 - In Exercises 13 and 14, solve graphically by the...Ch. 2.4 - In Exercises 15 and 16, solve graphically by the...Ch. 2.4 - In Exercises 15 and 16, solve graphically by the...Ch. 2.4 - The graphs of two linear functions f and g are...Ch. 2.4 - The graphs of three linear functions f, g, and h...Ch. 2.4 - In Exercises 1928, solve the double inequalities....Ch. 2.4 - In Exercises 1928, solve the double inequalities....Ch. 2.4 - Prob. 21ECh. 2.4 - Prob. 22ECh. 2.4 - Prob. 23ECh. 2.4 - Prob. 24ECh. 2.4 - Prob. 25ECh. 2.4 - Prob. 26ECh. 2.4 - Prob. 27ECh. 2.4 - In Exercises 1928, solve the double inequalities....Ch. 2.4 - Depreciation Suppose a business purchases...Ch. 2.4 - Blood Alcohol Percent The blood alcohol percent p...Ch. 2.4 - Freezing The equation F=92C+32 gives the...Ch. 2.4 - Prob. 32ECh. 2.4 - Job Selection Deb Cook is given the choice of two...Ch. 2.4 - Stock Market Susan Mason purchased 1000 shares of...Ch. 2.4 - Grades If Stan Cook has a course average score...Ch. 2.4 - Grades If John Deal has a course average score...Ch. 2.4 - Cigarette Use The percent of 12th graders who have...Ch. 2.4 - Prob. 38ECh. 2.4 - Social Security A person scheduled to receive a...Ch. 2.4 - Prob. 40ECh. 2.4 - Prob. 41ECh. 2.4 - Prison Sentences The mean time y spent in prison...Ch. 2.4 - Prob. 43ECh. 2.4 - Prob. 44ECh. 2.4 - Home Appraisal A home purchased in 1996 for...Ch. 2.4 - Prob. 46ECh. 2.4 - Prob. 47ECh. 2.4 - Prob. 48ECh. 2.4 - Break-Even A large hardware stores monthly profit...Ch. 2.4 - Prob. 50ECh. 2.4 - Break-Even A company produces a logic board for...Ch. 2.4 - Prob. 52ECh. 2.4 - Prob. 53ECh. 2.4 - Prob. 54ECh. 2.4 - Prob. 55ECh. 2.4 - Prob. 56ECh. 2 - In Exercises 18, state the property (or...Ch. 2 - Prob. 2TECh. 2 - Prob. 3TECh. 2 - Prob. 4TECh. 2 - Prob. 5TECh. 2 - Prob. 6TECh. 2 - In Exercises 18, state the property (or...Ch. 2 - In Exercises 18, state the property (or...Ch. 2 - Prob. 9TECh. 2 - Prob. 10TECh. 2 - Prob. 11TECh. 2 - Prob. 12TECh. 2 - Prob. 13TECh. 2 - Prob. 14TECh. 2 - Prob. 15TECh. 2 - Prob. 16TECh. 2 - Prob. 17TECh. 2 - In Exercises 1720, use the Substitution Property...Ch. 2 - Prob. 19TECh. 2 - Prob. 20TECh. 2 - Prob. 21TECh. 2 - Prob. 22TECh. 2 - Prob. 23TECh. 2 - Prob. 24TECh. 2 - Prob. 25TECh. 2 - Prob. 26TECh. 2 - Prob. 27TECh. 2 - Prob. 28TECh. 2 - Prob. 29TECh. 2 - Prob. 30TECh. 2 - Prob. 31TECh. 2 - Prob. 32TECh. 2 - Prob. 33TECh. 2 - Prob. 34TECh. 2 - Prob. 35TECh. 2 - Prob. 36TECh. 2 - Prob. 37TECh. 2 - Prob. 38TECh. 2 - Prob. 39TECh. 2 - Prob. 1RECh. 2 - Prob. 2RECh. 2 - Prob. 3RECh. 2 - Prob. 4RECh. 2 - Prob. 5RECh. 2 - Prob. 6RECh. 2 - Prob. 7RECh. 2 - Prob. 8RECh. 2 - Prob. 9RECh. 2 - Prob. 10RECh. 2 - Prob. 11RECh. 2 - Prob. 12RECh. 2 - Prob. 13RECh. 2 - Prob. 14RECh. 2 - Prob. 15RECh. 2 - Prob. 16RECh. 2 - Prob. 17RECh. 2 - Prob. 18RECh. 2 - Prob. 19RECh. 2 - Prob. 20RECh. 2 - Prob. 21RECh. 2 - Prob. 22RECh. 2 - Prob. 23RECh. 2 - Prob. 24RECh. 2 - Prob. 25RECh. 2 - Prob. 26RECh. 2 - Prob. 27RECh. 2 - Prob. 28RECh. 2 - Prob. 29RECh. 2 - Prob. 30RECh. 2 - Prob. 31RECh. 2 - Prob. 32RECh. 2 - Prob. 33RECh. 2 - Prob. 34RECh. 2 - Prob. 35RECh. 2 - Prob. 36RECh. 2 - Prob. 37RECh. 2 - Prob. 38RECh. 2 - Prob. 39RECh. 2 - Prob. 40RECh. 2 - Prob. 41RECh. 2 - Heart Rate The table gives the desired heart rate...Ch. 2 - Prob. 43RECh. 2 - Prob. 44RECh. 2 - Prob. 45RECh. 2 - Prob. 46RECh. 2 - Prob. 47RECh. 2 - Prob. 48RECh. 2 - Prob. 49RECh. 2 - Prob. 50RE
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