1 Introduction To Algebraic Expressions 2 Equations, Inequalities, And Problem Solving 3 Introduction To Graphing 4 Polynomials 5 Polynomials And Factoring 6 Rational Expressions And Equations 7 Functions And Graphs 8 Systems Of Linear Equations And Problem Solving 9 Inequalities And Problem Solving 10 Exponents And Radicals 11 Quadratic Functions And Equations 12 Exponential Functions And Logarithmic Functions 13 Conic Sections 14 Sequences, Series, And The Binomial Theorem R Elementary Algebra Review A Mean, Median, And Mode B Sets C Synthetic Division And The Remainder Theorem expand_more
6.1 Rational Expressions 6.2 Multiplication And Division 6.3 Addition, Subtraction, And Least Common Denominators 6.4 Addition And Subtraction With Unlike Denominators 6.5 Complex Rational Expressions 6.6 Rational Equations 6.7 Applications Using Rational Equations And Proportions Chapter Questions expand_more
Problem 1YT: Refer to Example 1. Suppose that Brian can pick the produce in the garden alone in 60 min and Reba... Problem 2YT: 2. Oliver can paint the trim on the Polinskis’ Queen Anne house in 12 fewer days than it takes Tammy... Problem 3YT: Peter can drive 25 mph faster on the highway than he can on county roads. In the time it would take... Problem 4YT: 4. At a length of 4 km, the Comal River in Texas is the shortest navigable river in the United... Problem 5YT Problem 6YT: 6. Refer to Example 6. Suppose that the width of the apartment is represented on the blueprint by 4... Problem 7YT: 7. Refer to Example 7. Suppose that Brent sent or received 534 messages in 6 days. At this rate, how... Problem 8YT: Refer to Example 8. Suppose that the team captured 875 brook trout, of which 35 were marked.... Problem 1CYU Problem 2CYU Problem 3CYU Problem 1ES: Classify each of the following statements as either true or false. In order to find the time that it... Problem 2ES: Classify each of the following statements as either true or false. To find the rate at which two... Problem 3ES: Classify each of the following statements as either true or false.
3. Distance equals rate times... Problem 4ES: Classify each of the following statements as either true or false. Rate equal distance divided by... Problem 5ES: Classify each of the following statements as either true or false. Time equals distance divided by... Problem 6ES: Classify each of the following statements as either true or false. If two triangles are similar,... Problem 7ES: Find each rate. If Sandy can decorate a cake in 2 hr, what is her hourly rate? Problem 8ES: Find each rate. If Eric can decorate a cake in 3 hr, what is his hourly rate? Problem 9ES: Find each rate.
9. If Sandy can decorate a cake in 3 hr and Eric can decorate the same cake in 3hr,... Problem 10ES: Find each rate.
10. If Lisa and Mark can now a lawn together in 1hr, what is their hourly rate?
Problem 11ES: Find each rate.
11. If Lisa can mow a lawn by herself in 3hr, what is her hourly rate?
Problem 12ES: Find each rate. If Lisa and Mark can mow a lawn together in 1 hr, and Lisa can mow the same lawn by... Problem 13ES: Volunteerism. It takes Kelby 10 hr per week to prepare food for delivery to senior citizens. Natalie... Problem 14ES: 14. Pumping Water. An ABS Robusta 300 TS sump pump can remove water from Martha’s flooded basement... Problem 15ES: Home Restoration. Bryan can refinish the floor of an apartment in 8 hr. Armando can refinish the... Problem 16ES: Custom Embroidery. Chandra can embroider logos on a teams sweatshirts in 6 hr. Traci, a new... Problem 17ES: 17. Filling a Pool. The San Paulo community swimming pool can be filled in 12 hr if water enters... Problem 18ES: Filling a Tank. A community water tank can be filled in 18 hr by the town office well alone and in... Problem 19ES: Scanners. The Epson WorkForce DS-6500 takes twice the time required by the Epson WorkForce DS-860 to... Problem 20ES: 20. Cutting Firewood. Kent can cut and split a cord of wood twice as fast as Brent can. When they... Problem 21ES: 21. Mulching. Anita can mulch the college gardens in 3 fewer days than it takes Tori to mulch the... Problem 22ES: 22. Photo Printing. It takes the Canon PIXMA MG2924 15 min longer to print a set of photo proofs... Problem 23ES: 23. Software Development. Tristan, an experienced programmer, can write video-game software three... Problem 24ES: Forest Fires. The Erickson Air-Crane helicopter can scoop water and douse a certain forest fire four... Problem 25ES: Paving. Together, Steve and Bill require 4 hr 48 min to pave a driveway. Alone, Steve would require... Problem 27ES: Train Speeds. A CSX freight train is traveling 14 km/h slower than an AMTRAK passenger train. The... Problem 28ES: 28. Speed of Travel. A loaded Roadway truck is moving 40 mph faster than a New York Railways freight... Problem 29ES: Driving Speed. Seans Camaro travels 15 mph faster than Ritas Harley. In the same time that Sean... Problem 30ES: 30. Bicycle Speed. Ada bicycles 5 km/h slower than Elin. In the same time that it takes Ada to ride... Problem 31ES: Kayaking. The speed of the current in Catamount Creek is 3 mph. Sean can kayak 4 mi upstream in the... Problem 32ES: 32. Boating. The current in the Lazy River moves at a rate of 4 mph. Mickie’s dinghy motors 6 mi... Problem 33ES: Moving Sidewalks. The moving sidewalk at OHare Airport in Chicago moves 1.8 ft/sec. Walking on the... Problem 34ES: Moving Sidewalks. Newark Airports moving sidewalk moves at a speed of 1.7 ft/sec. Walking on the... Problem 35ES: Aha! Tractor Speed. Manleys tractor is just as fast as Caledonias. It takes Manley 1 hr more than it... Problem 36ES: 36. Boat Speed. Tory and Emilio’s motorboats travel at the same speed. Tory pilots her boat 40 km... Problem 37ES: 37. Aviation. A Citation CV jet travels 460 mph in still air and flies 525 mi into the wind and 525... Problem 38ES: Canoeing. Chad paddles 55 m/ min in still water. He paddles 150 m upstream and 150 m downstream in a... Problem 39ES: 39. Train Travel. A freight train covered 120 mi at a certain speed. Had the train been able to... Problem 40ES: Moped Speed. Dexter rode 60 mi on his moped at a certain speed. Had he been able to travel 5 mph... Problem 41ES: Geometry. For each pair of similar triangles, find the value of the indicated letter. b Problem 42ES: Geometry. For each pair of similar triangles, find the value of the indicated letter.
42. a
Problem 43ES: Geometry. For each pair of similar triangles, find the value of the indicated letter.
43. f
Problem 44ES: Geometry. For each pair of similar triangles, find the value of the indicated letter.
44. r
Problem 45ES Problem 46ES: Graphing. Find the indicated length.
46. s
Problem 47ES: Architecture. Use the following blueprint to find the indicated length.
47. p, in inches on... Problem 48ES: Architecture. Use the following blueprint to find the indicated length. s, in inches on blueprint Problem 49ES: Architecture. Use the following blueprint to find the indicated length. r, in feet on actual... Problem 50ES: Architecture. Use the following blueprint to find the indicated length. n, in feet on actual... Problem 51ES: Find the indicated length. Problem 52ES: Find the indicated length.
52.
Problem 53ES: Flight Mechanics. The wing aspect ratio for a bird or an airplane is the ratio of the wing span to... Problem 54ES: Flight Mechanics. The wing aspect ratio for a bird or an airplane is the ratio of the wing span to... Problem 55ES: Spending Habits. In the first 8 days of September, Felicia spent $17.40 on coffee. At this rate, how... Problem 56ES: Burning Calories. The average 140-lb adult burns about 380 calories bicycling 10 mi at a moderate... Problem 57ES: Aha! Photography. Aziza snapped 234 photos over a period of 14 days. At this rate, how many would... Problem 58ES: Mileage. The Toyota Prius is a hybrid car that travels approximately 204 mi on 4 gal of gas. Find... Problem 59ES: 59. Light Bulbs. A sample of 220 compact fluorescent light bulbs contained 8 defective bulbs. How... Problem 60ES: 60. Flash Drives. A sample of 150 flash drives contained 7 defective drives. How many defective... Problem 61ES: Veterinary Science. The amount of water needed by a small dog depends on its weight. A moderately... Problem 62ES: 62. Miles Driven. Emmanuel is allowed to drive his leased car for 45,000 mi in 4 years without... Problem 63ES: 63. Environmental Science. To determine the number of humpback whales in a pod, a marine biologist,... Problem 64ES: 64. Fox Population. To determine the number of foxes in King County, a naturalist catches, tags, and... Problem 65ES: Is it correct to assume that two workers will complete a task twice as quickly as one person working... Problem 66ES: If two triangles are exactly the same shape and size, are they similar? Why or why not? Problem 67ES: Perform the indicated operation and simplify. (x33x7)(x24x+8)[4.4] Problem 68ES: Perform the indicated operation and simplify. (2x37)(x+3)[4.5] Problem 69ES: Perform the indicated operation and simplify. (3y2z2yz2+y2)+(4yz2+5y26yz)[4.7] Problem 70ES: Perform the indicated operation and simplify. (6a2b3+12ab23a2b)(3ab) [4.8] Problem 71ES: Perform the indicated operation and simplify.
71.
Problem 72ES: Perform the indicated operation and simplify. (x3x+7)(x1)[4.8] Problem 73ES: Two steamrollers are paving a parking lot. Working together, will the two steamrollers take less... Problem 74ES: Two fuel lines are filling a freighter with oil. Will the faster fuel line take more or less than... Problem 75ES: Filling a Bog. The Norwich cranberry bog can be filled in 9 hr and drained in 11 hr. How long will... Problem 76ES: 76. Filling a Tub. Gretchen’s hot tub can be filled in 10 min and drained in 8 min. How long will it... Problem 77ES: Car Cleaning. Together, Michelle, Sal, and Kristen can clean and wax a car in 1 hr 20 min. To... Problem 78ES: 78. Grading. Alma can grade a batch of placement exams in 3 hr. Kevin can grade a batch in 4 hr. If... Problem 79ES: 79. Refer to Exercise 31. How long will it take Sean to kayak 5 mi downstream?
Problem 80ES: Refer to Exercise 32. How long will it take Mickie to motor 3 mi downstream? Problem 81ES: 81. Escalators. Together, a 100-cm wide escalator and a 60-cm wide escalator can empty a 1575-person... Problem 82ES: 82. Aviation. A Coast Guard plane has enough fuel to fly for 6 hr, and its speed in still air is 240... Problem 83ES: 83. Boating. Shoreline Travel operates a 3-hr paddle-boat cruise on the Missouri River. If the speed... Problem 84ES: Travel by Car. Angenita drives to work at 50 mph and arrives 1 min late. She drives to work at 60... Problem 85ES: 85. According to the U.S. Census Bureau, Population Division, in February 2016, there was one birth... Problem 86ES: 86. Home Maintenance. Fuel used in many chain saws is made by pouring a 3.2-oz bottle of 2-cycle oil... Problem 87ES: At what time after 4:00 will the minute hand and the hour hand of a clock first be in the same... Problem 88ES: At what time after 10:30 will the hands of a clock first be perpendicular? Problem 89ES: Average speed is defined as total distance divided by total time. Ferdaws drove 200 km. For the... Problem 90ES: Average speed is defined as total distance divided by total time.
90. For the first 50 mi of a... Problem 91ES: Average speed is defined as total distance divided by total time.
91. Commuting. To reach an... Problem 92ES: Average speed is defined as total distance divided by total time. Given that AB=CD, write three... Problem 93ES: Average speed is defined as total distance divided by total time.
93. Show that the four equations... Problem 94ES: Average speed is defined as total distance divided by total time. If two triangles are similar, are... Problem 95ES: 95. Are the equations
and
equivalent? Why or why not?
Problem 1QQ Problem 2QQ: Divide and, if possible, simplify: 7x+21x4x+35x20. [6.2] Problem 3QQ: 3. Add and, if possible, simplify:
.
[6.4]
Problem 4QQ: Solve: 7x=3x+4. [6.6] Problem 5QQ: 5. Scot can prepare a tray of appetizers in 75 min. Steve can prepare the same tray in 60 min. How... Problem 1PTMO Problem 2PTMO Problem 3PTMO Problem 4PTMO format_list_bulleted