Elementary Algebra 17th Edition
ISBN: 9780998625713
Author: Lynn Marecek, MaryAnne Anthony-Smith
Publisher: Lynn Marecek, MaryAnne Anthony-Smith
1 Foundations 2 Solving Linear Equations And Inequalities 3 Math Models 4 Graphs 5 Systems Of Linear Equations 6 Polynomials 7 Factoring 8 Rational Expressions And Equations 9 Roots And Radicals 10 Quadratic Equations Chapter8: Rational Expressions And Equations
8.1 Simplify Rational Expressions 8.2 Multiply And Divide Rational Expressions 8.3 Add And Subtract Rational Expressions With A Common Denominator 8.4 Add And Subtract Rational Expressions With Unlike Denominators 8.5 Simplify Complex Rational Expressions 8.6 Solve Rational Equations 8.7 Solve Proportion And Similar Figure Applications 8.8 Solve Uniform Motion And Work Applications 8.9 Use Direct And Inverse Variation Chapter Questions Section8.7: Solve Proportion And Similar Figure Applications
Problem 8.141TI: Solve the proportion: n84=1112 . Problem 8.142TI: Solve the proportion: y96=1312 . Problem 8.143TI: Solve the proportion: 91b=75 . Problem 8.144TI: Solve the proportion: 39c=138 . Problem 8.145TI: Solve the proportion: yy+55=38 . Problem 8.146TI: Solve the proportion: zz84=15 . Problem 8.147TI: Solve : v+308=v+6612 . Problem 8.148TI: Solve: 2x+159=7x+315 . Problem 8.149TI: Pediatricians prescribe 5 milliliters (ml) of acetaminophen for every 25 pounds of a child’s weight.... Problem 8.150TI: For every 1 kilogram (kg) of a child’s weight pediatricians prescribe 15 milligrams (mg) of a fever... Problem 8.151TI: At a fast-food restaurant, a 22-ounce chocolate shake has 850 calories. I-low many calories are in... Problem 8.152TI: Yaneli loves Starburst candies, but wants to keep her snacks to 100 calories. If the candles have... Problem 8.153TI: yurianna is going to Europe and wants to change $800 dollars into Euros. At the current exchange... Problem 8.154TI: Corey and Nicole are traveling to Japan and need to exchange $600 into Japanese yen. It each dollar... Problem 8.155TI: ABC is similar to XYZ The lengths of two sides of each triangle are given in the figure. Find the... Problem 8.156TI: ABC is similar to XYZ. The lengths of two sides of each triangle are given in the figure. Find the... Problem 8.157TI: On the map, Seattle. Portland, and Boise form a triangle whose sides are shown in the figure below.... Problem 8.158TI: Using the map above, find the distance from Portland to Boise. Problem 8.159TI: A telephone pole casts a shadow that s 50 feet long. Nearby, an 8 foot tall traffic sign casts a... Problem 8.160TI: A pine tree casts a shadow of 80 feet next to a 30-foot tall building which casts a 40 feet shadow.... Problem 365E: In the following exercises, solve. 365. x56=78 Problem 366E: In the following exercises, solve. 366. n91=813 Problem 367E: In the following exercises, solve. 367. 4963=z9 Problem 368E: In the following exercises, solve. 368. 5672=y9 Problem 369E: In the following exercises, solve. 369. 5a=65117 Problem 370E: In the following exercises, solve. 370. 4b=64144 Problem 371E: In the following exercises, solve. 371. 98154=7p Problem 372E: In the following exercises, solve. 372. 72156=6q Problem 373E: In the following exercises, solve. 373. a8=4248 Problem 374E: In the following exercises, solve. 374. b7=3042 Problem 375E: In the following exercises, solve. 375. 2.7j=0.90.2 Problem 376E: In the following exercises, solve. 376. 2.8k=2.11.5 Problem 377E: In the following exercises, solve. 377. aa+12=47 Problem 378E: In the following exercises, solve. 278. bb16=119 Problem 379E: In the following exercises, solve. 379. cc104=58 Problem 380E: In the following exercises, solve. 380. dd48=133 Problem 381E: In the following exercises, solve. 381. m+9025=m+3015 Problem 382E: In the following exercises, solve. 382. n+104=40n6 Problem 383E: In the following exercises, solve. 383. 2p+48=p+186 Problem 384E: In the following exercises, solve. 384. q22=2q718 Problem 385E: In the following exercises, solve. 385. Pediatricians prescribe 5 milliliters (ml) of acetaminophen... Problem 386E: In the following exercises, solve. 386. Brianna, who weighs 6 kg, just received her shots and needs... Problem 387E: In the following exercises, solve. 387. A veterinarian prescribed Sunny, a 65 pound dog, an... Problem 388E: In the following exercises, solve.388. Belle, a 13 pound cat, is suffering from joint pain. How much... Problem 389E: In the following exercises, solve. 389. A new energy drink advertises 106 calories for 8 ounces. How... Problem 390E: In the following exercises, solve. 390. One 12 ounce can of soda has 150 calories. If Josiah drinks... Problem 391E: In the following exercises, solve. 391. A new 7 ounce lemon ice drink is advertised for having only... Problem 392E: In the following exercises, solve. 392. Reese loves to drink healthy green smoothies. A 16 ounce... Problem 393E: In the following exercises, solve. 393. Janice is traveling to Canada and will change $250 US... Problem 394E: In the following exercises, solve. 394. Todd is traveling to Mexico and needs to exchange $450 into... Problem 395E: In the following exercises, solve. 395. Steve changed $600 into 480 Euros. How many Euros did he... Problem 396E: In the following exercises, solve. 396. Martha changed $350 US into 385 Australian dollars. How many... Problem 397E: In the following exercises, solve. 397. When traveling to Great Britain, Bethany exchanged her $900... Problem 398E: In the following exercises, solve. 398. A missionary commissioned to South Africa had to exchange... Problem 399E: In the following exercises, solve. 399. Ronald needs a morning breakfast drink that will give him at... Problem 400E: In the following exercises, solve. 400. Sarah drinks a 32-ounce energy drink containing 80 calories... Problem 401E: In the following exercises, solve. 401. Elizabeth is returning to the United States from Canada. She... Problem 402E: In the following exercises, solve. 402. Ben needs to convert $1000 to the Japanese Yen. One American... Problem 403E: In the following exercises, solve. 403. A golden retriever weighing 85 pounds has diarrhea. His... Problem 404E: In the following exercises, solve. 404. Five-year-old Lacy was stung by a bee. The dosage for the... Problem 405E: In the following exercises, solve. 405. Karen eats 12 cup of oatmeal that counts for 2 points on her... Problem 406E: In the following exercises, solve. 406. An oatmeal cookie recipe calls for 12 cup of butter to make... Problem 407E: In the following exercises, ABC is similar to XYZ . Find the length of the indicated side. 407. side... Problem 408E: In the following exercises, ABC is similar to XYZ . Find the length of the indicated side. 408. side... Problem 409E: In the following exercises, DEF is similar to NPQ . 409. Find the length of side d. Problem 410E: In the following exercises, DEF is similar to NPQ . 410. Find the length of side q. Problem 411E: In the following two exercises, use the map shown. On the map, New York City, Chicago, and Memphis... Problem 412E: In the following two exercises, use the map shown. On the map, New York City, Chicago, and Memphis... Problem 413E: In the following two exercises, use the map shown. On the map, Atlanta, Miami, and New Orleans form... Problem 414E: In the following two exercises, use the map shown. On the map, Atlanta, Miami, and New Orleans form... Problem 415E: In the following two exercises, use the map shown. On the map, Atlanta, Miami, and New Orleans form... Problem 416E: In the following two exercises, use the map shown. On the map, Atlanta, Miami, and New Orleans form... Problem 417E: In the following two exercises, use the map shown. On the map, Atlanta, Miami, and New Orleans form... Problem 418E: In the following two exercises, use the map shown. On the map, Atlanta, Miami, and New Orleans form... Problem 419E: Heart Rate At the gym, Carol takes her pulse for 10 seconds and counts 19 beats. a. How many beats... Problem 420E: Heart Rate Kevin wants to keep his heart rate at 160 beats per minute while training. During his... Problem 421E: Cost of a Road Trip Jesse’s car gets 30 miles per gallon of gas. a. If Las Vegas is 285 miles away,... Problem 422E: Cost of a Road Trip Danny wants to drive to Phoenix to see his grandfather. Phoenix is 370 miles... Problem 423E: Lawn Fertilizer Phil wants to fertilize his lawn. Each bag of fertilizer covers about 4,000 square... Problem 424E: House Paint April wants to paint the exterior of her house. One gallon of paint covers about 350... Problem 425E: Cooking Natalia’s pasta recipe calls for 2 pounds of pasta for 1 quart of sauce. How many pounds of... Problem 426E: Heating Oil A 275 gallon oil tank costs $400 to fill. How much would it cost to fill a 180 gallon... Problem 427E: Marisol solves the proportion 144a=94 by ‘cross multiplying’, so her first step looks like 4144=9a.... Problem 428E: Find a printed map and then write and solve an application problem similar to Example 8.79. Problem 8.160TI: A pine tree casts a shadow of 80 feet next to a 30-foot tall building which casts a 40 feet shadow....
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