Elementary Algebra17th EditionLynn Marecek, MaryAnne Anthony-Smith Publisher: OpenStax - Rice UniversityISBN: 9780998625713
Elementary Algebra
Solutions for Elementary Algebra
Problem 2.115TI:
Lindsay drove for 512 hours at 60 miles per hour. How much distance did she travel?Problem 2.117TI:
Lee wants to drive from Phoenix to his brother’s apartment in San Francisco, a distance of 770...Problem 2.118TI:
Yesenia is 168 miles from Chicago. If she needs to be in Chicago in 3 hours, at what rate does she...Problem 2.119TI:
Solve the formula d=rt for r: (a) when d=180 and t=4 (b) in generalProblem 2.120TI:
Solve the formula d=rt for r: (a) when d=780 and t=12 (b) in generalProblem 2.123TI:
Use the formula I=Prt to find the principal, P: (a) when I=2,160,r=6,t=3years (b) in generalProblem 2.124TI:
Use the formula I=Prt to find the principal, P: (a) when I=5,400,r=12,t=5years (b) in generalProblem 2.125TI:
Solve the formula 3x+4y=10 for y: (a) when x=143 (b) in generalProblem 2.126TI:
Solve the formula 5x+2y=18 for y: (a) when x=4 (b) in generalProblem 2.127TI:
Solve the formula P=a+b+c for b.Problem 2.128TI:
Solve the formula P=a+b+c for c.Problem 2.129TI:
Solve the formula 4x+7y=9 for y.Problem 2.130TI:
Solve the formula 5x+8y=1 for y.Problem 376E:
In the following exercises, solve. 376. Steve drove for 812 hours at 72 miles per hour. How much...Problem 377E:
In the following exercises, solve. 377. Socorro drove for 456 hours at 60 miles per hour. How much...Problem 378E:
In the following exercises, solve. 378. Yuki walked for 134 hours at 4 miles per hour. How far did...Problem 379E:
In the following exercises, solve. 379. Francie rode her bike for 212 hours at 12 miles per hour....Problem 380E:
In the following exercises, solve. 380. Connor wants to drive from Tucson to the Grand Canyon, a...Problem 381E:
In the following exercises, solve. 381. Megan is taking the bus from New York City to Montreal. The...Problem 382E:
In the following exercises, solve. 382. Aurelia is driving from Miami to Orlando at a rate of 65...Problem 383E:
In the following exercises, solve. 383. Kareem wants to ride his bike from St. Louis to Champaign,...Problem 384E:
In the following exercises, solve. 384. Javier is driving to Bangor, 240 miles away. If he needs to...Problem 385E:
In the following exercises, solve. 385. Alejandra is driving to Cincinnati, 450 miles away. If she...Problem 386E:
In the following exercises, solve. 386. Aisha took the train from Spokane to Seattle. The distance...Problem 387E:
In the following exercises, solve. 387. Philip got a ride with a friend from Denver to Las Vegas, a...Problem 388E:
In the following exercises, use the formula d=rt. 388. Solve for t (a) when d=350 and r=70 (b) in...Problem 389E:
In the following exercises, use the formula d=rt. 389. Solve for t (a) when d=240 and r=60 (b) in...Problem 390E:
In the following exercises, use the formula d=rt. 390. Solve for t (a) when d=510 and r=60 (b) in...Problem 391E:
In the following exercises, use the formula d=rt. 391. Solve for t (a) when d=175 and r=50 (b) in...Problem 392E:
In the following exercises, use the formula d=rt. 392. Solve for r (a) when d=204 and t=3 (b) in...Problem 393E:
In the following exercises, use the formula d=rt. 393. Solve for r (a) when d=420 and t=6 (b) in...Problem 394E:
In the following exercises, use the formula d=rt. 394. Solve for r (a) when d=160 and t=2.5 (b) in...Problem 395E:
In the following exercises, use the formula d=rt. 395. Solve for r (a) when d=180 and t=4.5 (b) in...Problem 396E:
In the following exercises, use the formula A=12bh. 396. Solve for b (a) when A=126 and h=18 (b) in...Problem 397E:
In the following exercises, use the formula A=12bh. 397. Solve for h (a) when A=176 and b=22 (b) in...Problem 398E:
In the following exercises, use the formula A=12bh. 398. Solve for h (a) when A=375 and b=25 (b) in...Problem 399E:
In the following exercises, use the formula A=12bh. 399. Solve for b (a) when A=65 and h=13 (b) in...Problem 400E:
In the following exercises, use the formula I=Prt. 400. Solve for the principal, P for (a)...Problem 401E:
In the following exercises, use the formula I=Prt. 401. Solve for the principal, P for (a)...Problem 402E:
In the following exercises, use the formula I=Prt. 402. Solve for the time, t for (a)...Problem 403E:
In the following exercises, use the formula I=Prt. 403. Solve for the time, t for (a)...Problem 404E:
In the following exercises, solve. 404. Solve the formula 2x+3y=12 for y (a) when x=3 (b) in generalProblem 405E:
In the following exercises, solve. 405. Solve the formula 5x+2y=10 for y (a) when x=4 (b) in generalProblem 406E:
In the following exercises, solve. 406. Solve the formula 3xy=7 for y (a) when x=2 (b) in generalProblem 407E:
In the following exercises, solve. 407. Solve the formula 4x+y=5 for y (a) when x=3 (b) in generalProblem 426E:
Converting temperature While on a tour in Greece, Tatyana saw that the temperature was 40° Celsius....Problem 427E:
Converting temperature Yon was visiting the United States and he saw that the temperature in Seattle...Browse All Chapters of This Textbook
Chapter 1 - FoundationsChapter 1.1 - Introduction To Whole NumbersChapter 1.2 - Use The Language Of AlgebraChapter 1.3 - Add And Subtract IntegersChapter 1.4 - Multiply And Divide IntegersChapter 1.5 - Visualize FractionsChapter 1.6 - Add And Subtract FractionsChapter 1.7 - DecimalsChapter 1.8 - The Real NumbersChapter 1.9 - Properties Of Real Numbers
Chapter 1.10 - Systems Of MeasurementChapter 2 - Solving Linear Equations And InequalitiesChapter 2.1 - Solve Equations Using The Subtraction And Addition Properties Of EqualityChapter 2.2 - Solve Equations Using The Division And Multiplication Properties Of EqualityChapter 2.3 - Solve Equations With Variables And Constants On Both SidesChapter 2.4 - Use A General Strategy To Solve Linear EquationsChapter 2.5 - Solve Equations With Fractions Or DecimalsChapter 2.6 - Solve A Formula For A Specific VariableChapter 2.7 - Solve Linear InequalitiesChapter 3 - Math ModelsChapter 3.1 - Use A Problem-solving StrategyChapter 3.2 - Solve Percent ApplicationsChapter 3.3 - Solve Mixture ApplicationsChapter 3.4 - Solve Geometry Applications: Triangles, Rectangles, And The Pythagorean TheoremChapter 3.5 - Solve Uniform Motion ApplicationsChapter 3.6 - Solve Applications With Linear InequalitiesChapter 4 - GraphsChapter 4.1 - Use The Rectangular Coordinate SystemChapter 4.2 - Graph Linear Equations In Two VariablesChapter 4.3 - Graph With InterceptsChapter 4.4 - Understand Slope Of A LineChapter 4.5 - Use The Slope–intercept Form Of An Equation Of A LineChapter 4.6 - Find The Equation Of A LineChapter 4.7 - Graphs Of Linear InequalitiesChapter 5 - Systems Of Linear EquationsChapter 5.1 - Solve Systems Of Equations By GraphingChapter 5.2 - Solve Systems Of Equations By SubstitutionChapter 5.3 - Solve Systems Of Equations By EliminationChapter 5.4 - Solve Applications With Systems Of EquationsChapter 5.5 - Solve Mixture Applications With Systems Of EquationsChapter 5.6 - Graphing Systems Of Linear InequalitiesChapter 6 - PolynomialsChapter 6.1 - Add And Subtract PolynomialsChapter 6.2 - Use Multiplication Properties Of ExponentsChapter 6.3 - Multiply PolynomialsChapter 6.4 - Special ProductsChapter 6.5 - Divide MonomialsChapter 6.6 - Divide PolynomialsChapter 6.7 - Integer Exponents And Scientific NotationChapter 7 - FactoringChapter 7.1 - Greatest Common Factor And Factor By GroupingChapter 7.2 - Factor Quadratic Trinomials With Leading Coefficient 1Chapter 7.3 - Factor Quadratic Trinomials With Leading Coefficient Other Than 1Chapter 7.4 - Factor Special ProductsChapter 7.5 - General Strategy For Factoring PolynomialsChapter 7.6 - Quadratic EquationsChapter 8 - Rational Expressions And EquationsChapter 8.1 - Simplify Rational ExpressionsChapter 8.2 - Multiply And Divide Rational ExpressionsChapter 8.3 - Add And Subtract Rational Expressions With A Common DenominatorChapter 8.4 - Add And Subtract Rational Expressions With Unlike DenominatorsChapter 8.5 - Simplify Complex Rational ExpressionsChapter 8.6 - Solve Rational EquationsChapter 8.7 - Solve Proportion And Similar Figure ApplicationsChapter 8.8 - Solve Uniform Motion And Work ApplicationsChapter 8.9 - Use Direct And Inverse VariationChapter 9 - Roots And RadicalsChapter 9.1 - Simplify And Use Square RootsChapter 9.2 - Simplify Square RootsChapter 9.3 - Add And Subtract Square RootsChapter 9.4 - Multiply Square RootsChapter 9.5 - Divide Square RootsChapter 9.6 - Solve Equations With Square RootsChapter 9.7 - Higher RootsChapter 9.8 - Rational ExponentsChapter 10 - Quadratic EquationsChapter 10.1 - Solve Quadratic Equations Using The Square Root PropertyChapter 10.2 - Solve Quadratic Equations By Completing The SquareChapter 10.3 - Solve Quadratic Equations Using The Quadratic FormulaChapter 10.4 - Solve Applications Modeled By Quadratic EquationsChapter 10.5 - Graphing Quadratic Equations
Sample Solutions for this Textbook
We offer sample solutions for Elementary Algebra homework problems. See examples below:
More Editions of This Book
Corresponding editions of this textbook are also available below:
ELEMENTARY ALGEBRA VOL 1-2
17th Edition
ISBN: 9781506698205
Elementary Algebra (OER)
17th Edition
ISBN: 9781947172258
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