Solutions for MAT 171 ACCESS CODE
Problem 1SP:
Franz borrowed a total of $10,000 . Part of the money was borrowed from a lending institution that...Problem 2SP:
How much 4 acid solution should be mixed with 200mL of a 12 acid solution to make a 9 acid solution?Problem 3SP:
A fishing boat can travel 60km with a 2.5-km/hr current in 2 hr less time than it can travel 60 km...Problem 4SP:
Sheldon and Penny were awarded a contract to paint 16 offices in the new math building at a...Problem 5SP:
A sail on a sailboat is in the shape of two adjacent right triangles. The hypotenuse of the lower...Problem 6SP:
A fireworks mortar is launched straight upward from a pool deck 2 m off the ground at an initial...Problem 2PE:
Suppose that 8 of a solution is fertilizer by volume and the remaining 92% is water. How much...Problem 3PE:
If d=rt,thent=Problem 4PE:
If d=rt,thenr=Problem 5PE:
Rocco borrowed a total of $5000 from two student loans. One loan charged 3% simple interest and the...Problem 6PE:
Laura borrowed a total of $22,000 from two different banks to start a business. One bank charged the...Problem 7PE:
Fernando invest money in a 3-yr CD (certificate of deposit) that returned the equivalent of 4.4%...Problem 8PE:
Ebony bought a 5-yr Treasury note that paid the equivalent of 2.8% simple interest. she invested...Problem 9PE:
Ethanol fuel mixture have "E" number that indicate the percentage of ethanol in the mixture by...Problem 10PE:
A nurse mixes 60 cc of a 50 saline solution with a 10% saline solution to produce a 25% saline...Problem 11PE:
The density and strength of concrete are determined by the ratio of cement and aggregate (aggregate...Problem 12PE:
Antifreeze is a compound added to water to reduce the freezing point of a mixture. In extreme cold...Problem 13PE:
Jesse takes a 3-day kayak trip and travels 72 km south from Everglades City to a camp area in...Problem 14PE:
A plane travels 800 mi from Dallas, Texas, to Atlanta, Georgia, with a prevailing west wind of 40...Problem 15PE:
Jean runs 6 mi and then rides 24 mi on her bicycle in a biathlon. She rides 8 mph faster than she...Problem 16PE:
Barbara drives between Miami, Florida, and West Palm Beach, Florida. She drives 50 mi in clear...Problem 17PE:
Two passengers leave the airport at Kansas City, Missouri. One flies to Los Angeles, California, in...Problem 18PE:
Two planes leave from Atlanta Georgia. One makes a 5.2-hr flight to Seattle, Washington, and the...Problem 19PE:
Darren drives to school in rush hour traffic and averages 32 mph. He returns home in mid-afternoon...Problem 20PE:
Peggy competes in a biathlon by running and bicycling around a large loop through a city. She runs...Problem 21PE:
Joel can run around a 14mi track in 66 sec, and Jason can run around the track in 60 sec. If the...Problem 22PE:
Marta can vacuum the house in 40 min. It takes her daughter 1 hr to vacuum the house. How long would...Problem 23PE:
One pump can fill a pool in 10 hr. Working with a second slower pump, the two pumps together can...Problem 24PE:
Brad and Angelina can mow their yard together with two lawn mowers in 30 min. When Brad works alone,...Problem 25PE:
A patio is configured from a rectangle with two right triangles of equal size attached at the two...Problem 26PE:
The front face of a house is in the shape of a rectangle with a Queen post roof truss above. The...Problem 27PE:
A baseball diamond is in the shape of a square with 90-ft sides. How far is it from home plate to...Problem 28PE:
The figure is a cube with 6-in. sides. Find the extract length of the diagonal through the interior...Problem 29PE:
The sail on a sailboat is in the shape of two adjacent right triangles. In the lower triangle, the...Problem 30PE:
A portion of a roof truss is given in the figure. The tringle on the left is configured such that...Problem 31PE:
The display area on a cell phone has a 3.5-in. diagonal. a. If the aspect ratio of length to width...Problem 32PE:
The display area on a computer has a 15-in. diagonal. If the aspect ratio of length to width is 1.6...Problem 33PE:
NBA basketball legend Michael Jordan had a 48-in. vertical leap. Suppose that Michael jumped from...Problem 34PE:
At the time of this printing, the highest vertical leap on record is 60 in., held by Kadour Ziani....Problem 35PE:
A bad punter on a football team kicks a football approximately straight upward with an initial...Problem 36PE:
In a classic Seinfeld episode, Jerry tosses a loaf of bread (a marble rye) straight upward to his...Problem 37PE:
Suppose that 40 deer are introduced in a protected wilderness area. The population of the herd P can...Problem 38PE:
Starting from rest, an automobile's velocity v (in ft/sec) is given by v=180t2t+10r , where t is the...Problem 39PE:
Brianna's SUV gets 22 mpg in the city and 30 mpg on the highway. The amount of gas she uses A (in...Problem 40PE:
Dexter's truck gets 32 mpg on the highway and 24 mpg in the city. The amount of gas he uses A (in...Problem 41PE:
At a construction site, cement sand, and gravel are mixed to make concrete. The ratio of cement to...Problem 42PE:
The property tax on a $180,000 house is $1296 . At this rate, what is the property tax on a house...Problem 43PE:
In addition to measuring a person's individual HDL and LDL cholesterol levels, doctors also compute...Problem 44PE:
For a recent Congress, there were 10 more Democrats than Republicans in the U.S. Senate. This...Problem 45PE:
When studying wildlife populations, biologists sometimes use a technique called "mark-recapture."...Problem 46PE:
To estimate the number of bass in a lake, a biologist catches and tags 24 bass. Several weeks later,...Problem 47PE:
Seismographs can record two types of wave energy (P waves and S waves) that travel through the Earth...Problem 48PE:
Suppose that a shallow earthquake occurs in which the P waves travel 8 km/sec and the S waves travel...Problem 49PE:
Henri needs to have a toilet repaired in his house. The cost of the new plumbing fixtures is $110...Problem 50PE:
After a hurricane, repairs to a roof will cost $2400 for materials and $80/hr in labor. a. Write a...Problem 51PE:
On moving day, Guyton needs to rent a truck. The length of the cargo space is 12 ft and the height...Problem 52PE:
Lorene Plans to make several open-topped boxes in which to carry plants. She makes the boxes from...Problem 53PE:
The population P of a culture of Pseudomonas aeruginoso bacteria is given by P=1718t2+82,000t+10,000...Problem 54PE:
The distance d (in ft) required to stop a car that was traveling at speed v (in mph) before the...Problem 55PE:
Is it possible for the measures of the angles in a tringle to be represented by three consecutive...Problem 56PE:
Bob wants to change a $100 bill into an equal number of $20 bills, $10 bills, and $5 bills. Is this...Problem 57PE:
A golden rectangle is a rectangle in which the ratio of its length to its width is equal to the...Problem 58PE:
An artist has been commissioned to make a stained glass window in the shape of a regular octagon....Problem 59PE:
A farmer has 160 yd of fencing material and wants to enclose three rectangular pens. Suppose that x...Problem 60PE:
At noon, a ship leaves a harbor and sails south at 10 knots. Two hours later, a second ship leaves...Browse All Chapters of This Textbook
Chapter R - Review Of PrerequisitesChapter R.1 - Sets And The Real Number LineChapter R.2 - Exponents And RadicalsChapter R.3 - Polynomials And FactoringChapter R.4 - Rational Expressions And More Operations On RadicalsChapter R.5 - Equations With Real SolutionsChapter R.6 - Complex Numbers And More Quadratic EquationsChapter R.7 - Applications Of EquationsChapter R.8 - Linear, Compound, And Absolute Value InequalitiesChapter 1 - Functions And Relations
Chapter 1.1 - The Rectangular Coordinate System And Graphing UtilitiesChapter 1.2 - CirclesChapter 1.3 - Functions And RelationsChapter 1.4 - Linear Equations In Two Variables And Linear FunctionsChapter 1.5 - Applications Of Linear Equations And ModelingChapter 1.6 - Transformations Of GraphsChapter 1.7 - Analyzing Graphs Of Functions And Piecewise-defined FunctionsChapter 1.8 - Algebra Of Functions And Function CompositionChapter 2 - Polynomial And Rational FunctionsChapter 2.1 - Quadratic Functions And ApplicationsChapter 2.2 - Introduction To Polynomial FunctionsChapter 2.3 - Division Of Polynomials And The Remainder And Factor TheoremsChapter 2.4 - Zeros Of PolynomialsChapter 2.5 - Rational FunctionsChapter 2.6 - Polynomial And Rational InequalitiesChapter 2.7 - VariationChapter 3 - Exponential And Logarithmic FunctionsChapter 3.1 - Inverse FunctionsChapter 3.2 - Exponential FunctionsChapter 3.3 - Logarithmic FunctionsChapter 3.4 - Properties Of LogarithmsChapter 3.5 - Exponential And Logarithmic Equations And ApplicationsChapter 3.6 - Modeling With Exponential And Logarithmic FunctionsChapter 4 - Trigonometric FunctionsChapter 4.1 - Angles And Their MeasureChapter 4.2 - Trigonometric Functions Defined On The Unit CircleChapter 4.3 - Right Triangle TrigonometryChapter 4.4 - Trigonometric Functions Of Any AngleChapter 4.5 - Graphs Of Sine And Cosine FunctionsChapter 4.6 - Graphs Of Other Trigonometric FunctionsChapter 4.7 - Inverse Trigonometric FunctionsChapter 5 - Analytic TrigonometryChapter 5.1 - Fundamental Trigonometric IdentitiesChapter 5.2 - Sum And Difference FormulasChapter 5.3 - Double-angle, Power-reducing, And Half-angle FormulasChapter 5.4 - Product-to-sum And Sum-to-product FormulasChapter 5.5 - Trigonometric EquationsChapter 6 - Applications Of Trigonometric FunctionsChapter 6.1 - Applications Of Right TrianglesChapter 6.2 - The Law Of SinesChapter 6.3 - The Law Of CosinesChapter 6.4 - Harmonic MotionChapter 7 - Trigonometry Applied To Polar Coordinate Systems And VectorsChapter 7.1 - Polar CoordinatesChapter 7.2 - Graphs Of Polar EquationsChapter 7.3 - Complex Numbers In Polar FormChapter 7.4 - VectorsChapter 7.5 - Dot ProductChapter 8 - Systems Of Equations And InequalitiesChapter 8.1 - Systems Of Linear Equations In Two Variables And ApplicationsChapter 8.2 - Systems Of Linear Equations In Three Variables And ApplicationsChapter 8.3 - Partial Fraction DecompositionChapter 8.4 - Systems Of Nonlinear Equations In Two VariablesChapter 8.5 - Inequalities And Systems Of Inequalities In Two VariablesChapter 8.6 - Linear ProgrammingChapter 9 - Matrices And Determinants And ApplicationsChapter 9.1 - Solving Systems Of Linear Equations Using MatricesChapter 9.2 - Inconsistent Systems And Dependent EquationsChapter 9.3 - Operations On MatricesChapter 9.4 - Inverse Matrices And Matrix EquationsChapter 9.5 - Determinants And Cramer’s RuleChapter 10 - Analytic GeometryChapter 10.1 - The EllipseChapter 10.2 - The HyperbolaChapter 10.3 - The ParabolaChapter 10.4 - Rotation Of AxesChapter 10.5 - Polar Equations Of ConicsChapter 10.6 - Plane Curves And Parametric EquationsChapter 11 - Sequences, Series, Induction, And ProbabilityChapter 11.1 - Sequences And SeriesChapter 11.2 - Arithmetic Sequences And SeriesChapter 11.3 - Geometric Sequences And SeriesChapter 11.4 - Mathematical InductionChapter 11.5 - The Binomial TheoremChapter 11.6 - Principles Of CountingChapter 11.7 - Introduction To Probability
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