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 Chapter3: Math Models
3.1 Use A Problem-solving Strategy 3.2 Solve Percent Applications 3.3 Solve Mixture Applications 3.4 Solve Geometry Applications: Triangles, Rectangles, And The Pythagorean Theorem 3.5 Solve Uniform Motion Applications 3.6 Solve Applications With Linear Inequalities Chapter Questions Section: Chapter Questions
Problem 339RE: In the following exercises, reflect on your approach to word problems. 339. How has your attitude... Problem 340RE: In the following exercises, reflect on your approach to word problems. 340. Did the problem-solving... Problem 341RE: In the following exercises, solve using the problem-solving strategy for word problems. Remember to... Problem 342RE: In the following exercises, solve using the problem-solving strategy for word problems. Remember to... Problem 343RE: In the following exercises, solve each number word problem. 343. The sum of a number and three is... Problem 344RE: In the following exercises, solve each number word problem. 344. Twice the difference of a number... Problem 345RE: In the following exercises, solve each number word problem. 345. One number is nine less than... Problem 346RE: In the following exercises, solve each number word problem. 346. One number is eleven more than... Problem 347RE: In the following exercises, solve each number word problem. 347. One number is two more than four... Problem 348RE: In the following exercises, solve each number word problem. 348. The sum of two consecutive integers... Problem 349RE: In the following exercises, solve each number word problem. 349. Find three consecutive integers... Problem 350RE: In the following exercises, solve each number word problem. 350. Find three consecutive even... Problem 351RE: In the following exercises, solve each number word problem. 351. Find three consecutive odd integers... Problem 352RE: In the following exercises, solve each number word problem. 352. Koji has $5,502 in his savings... Problem 353RE: In the following exercises, translate and solve. 353. What number is 67% of 250? Problem 354RE: In the following exercises, translate and solve. 354. 300% of 82 is what number? Problem 355RE: In the following exercises, translate and solve. 355. 12.5% of what number is 20? Problem 356RE: In the following exercises, translate and solve. 356. 72 is 30% of what number? Problem 357RE: In the following exercises, translate and solve. 357. What percent of 125 is 150? Problem 358RE: In the following exercises, translate and solve. 358. 127.5 is what percent of 850? Problem 359RE: In the following exercises, solve. 359. The bill for Dino’s lunch was $19.45. He wanted to leave 20%... Problem 360RE: In the following exercises, solve. 360. Reza was very sick and lost 15% of his original weight. He... Problem 361RE: In the following exercises, solve. 361. Dolores bought a crib on sale for $350. The sale price was... Problem 362RE: In the following exercises, solve. 362. Jaden earns $2,680 per month. He pays $938 a month for rent.... Problem 363RE: In the following exercises, solve. 363. Angel’s got a raise in his annual salary from $55,400 to... Problem 364RE: In the following exercises, solve. 364. Rowena’s monthly gasoline bill dropped from $83.75 last... Problem 365RE: In the following exercises, solve. 365. Winston deposited $3,294 in a bank account with interest... Problem 366RE: In the following exercises, solve. 366. Moira borrowed $4,500 from her grandfather to pay for her... Problem 367RE: In the following exercises, solve. 367. Jaime’s refrigerator loan statement said he would pay $1,026... Problem 368RE: In the following exercises, solve. 368. In 12 years, a bond that paid 6.35% interest earned $7,620... Problem 369RE: In the following exercises, find the sale price. 369. The original price of a handbag was $84.... Problem 370RE: In the following exercises, find the sale price. 370. Marian wants to buy a coffee table that costs... Problem 371RE: In the following exercises, find (a) the amount of discount and (b) the sale price. 371. Emmett... Problem 372RE: In the following exercises, find (a) the amount of discount and (b) the sale price. 372. Anastasia... Problem 373RE: In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the... Problem 374RE: In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the... Problem 375RE: In the following exercises, find (a) the amount of the mark-up and (b) the list price. 375. Nga and... Problem 376RE: In the following exercises, find (a) the amount of the mark-up and (b) the list price. 376. Carly... Problem 377RE: In the following exercises, solve each coin word problem. 377. Francie has $4.35 in dimes and... Problem 378RE: In the following exercises, solve each coin word problem. 378. Scott has $0.39 in pennies and... Problem 379RE: In the following exercises, solve each coin word problem. 379. Paulette has $140 in $5 and $10... Problem 380RE: In the following exercises, solve each coin word problem. 380. Lenny has $3.69 in pennies, dimes,... Problem 381RE: In the following exercises, solve each ticket or stamp word problem. 381. A church luncheon made... Problem 382RE: In the following exercises, solve each ticket or stamp word problem. 382. Tickets for a basketball... Problem 383RE: In the following exercises, solve each ticket or stamp word problem. 383. 125 tickets were sold for... Problem 384RE: In the following exercises, solve each ticket or stamp word problem. 384. One afternoon the water... Problem 385RE: In the following exercises, solve each ticket or stamp word problem. 385. Ana spent $4.06 buying... Problem 386RE: In the following exercises, solve each ticket or stamp word problem. 386. Yumi spent $34.15 buying... Problem 387RE: In the following exercises, solve each mixture word problem. 387. Marquese is making 10 pounds of... Problem 388RE: In the following exercises, solve each mixture word problem. 388. Amber wants to put tiles on the... Problem 389RE: In the following exercises, solve each mixture word problem. 389. Shawn has $15,000 to invest. She... Problem 390RE: In the following exercises, solve each mixture word problem. 390. Enrique borrowed $23,500 to buy a... Problem 391RE: In the following exercises, solve using triangle properties. 391. The measures of two angles of a... Problem 392RE: In the following exercises, solve using triangle properties. 392. The playground at a shopping mall... Problem 393RE: In the following exercises, solve using triangle properties. 393. A triangular road sign has base 30... Problem 394RE: In the following exercises, solve using triangle properties. 394. What is the height of a triangle... Problem 395RE: In the following exercises, solve using triangle properties. 395. One angle of a triangle is 30°... Problem 396RE: In the following exercises, solve using triangle properties. 396. One angle of a right triangle... Problem 397RE: In the following exercises, solve using triangle properties. 397. The measure of the smallest angle... Problem 398RE: In the following exercises, solve using triangle properties. 398. The perimeter of a triangle is 97... Problem 399RE: In the following exercises, use the Pythagorean Theorem to find the length of the hypotenuse. 399. Problem 400RE: In the following exercises, use the Pythagorean Theorem to find the length of the hypotenuse. 400. Problem 401RE: In the following exercises, use the Pythagorean Theorem to find the length of the missing side.... Problem 402RE: In the following exercises, use the Pythagorean Theorem to find the length of the missing side.... Problem 403RE: In the following exercises, use the Pythagorean Theorem to find the length of the missing side.... Problem 404RE: In the following exercises, use the Pythagorean Theorem to find the length of the missing side.... Problem 405RE: In the following exercises, solve. Approximate to the nearest tenth, if necessary. 405. Sergio needs... Problem 406RE: In the following exercises, solve. Approximate to the nearest tenth, if necessary. 406. Seong is... Problem 407RE: In the following exercises, solve using rectangle properties. 407. The length of a rectangle is 36... Problem 408RE: In the following exercises, solve using rectangle properties. 408. A sidewalk in front of Kathy’s... Problem 409RE: In the following exercises, solve using rectangle properties. 409. The area of a rectangle is 2356... Problem 410RE: In the following exercises, solve using rectangle properties. 410. The width of a rectangle is 45... Problem 411RE: In the following exercises, solve using rectangle properties. 411. The length of a rectangle is 12... Problem 412RE: In the following exercises, solve using rectangle properties. 412. The width of a rectangle is three... Problem 413RE: In the following exercises, solve. 413. When Gabe drives from Sacramento to Redding it takes him 2.2... Problem 414RE: In the following exercises, solve. 414. Louellen and Tracy met at a restaurant on the road between... Problem 415RE: In the following exercises, solve. 415. Two busses leave Amarillo at the same time. The Albuquerque... Problem 416RE: In the following exercises, solve. 416. Kyle rowed his boat upstream for 50 minutes. It took him 30... Problem 417RE: In the following exercises, solve. 417. At 6:30, Devon left her house and rode her bike on the flat... Problem 418RE: In the following exercises, solve. 418. Anthony drove from New York City to Baltimore, a distance of... Problem 419RE: In the following exercises, solve. 419. Julianne has a weekly food budget of $231 for her family. If... Problem 420RE: In the following exercises, solve. 420. Rogelio paints watercolors. He got a $100 gift card to the... Problem 421RE: In the following exercises, solve. 421. Briana has been offered a sales job in another city. The... Problem 422RE: In the following exercises, solve. 422. Renee’s car costs her $195 per month plus $0.09 per mile.... Problem 423RE: In the following exercises, solve. 423. Costa is an accountant. During tax season, he charges $125... Problem 424RE: In the following exercises, solve. 424. Jenna is planning a 5-day resort vacation with three of her... Problem 425PT: Four-fifths of the people on a hike are children. If there are 12 children, what is the total number... Problem 426PT: One number is three more than twice another. Their sum is 63 . Find the numbers. Problem 427PT: The sum of two consecutive odd integers is 96 . Find the numbers. Problem 428PT: Marla’s breakfast was 525 calories. This was 35% of her total calories for the day. How many... Problem 429PT: Humberto’s hourly pay increased from $16.25 to $17.55. Find the percent increase. Problem 430PT: Melinda deposited $5,985 in a bank account with an interest rate of 1.9%. How much interest was... Problem 431PT: Dotty bought a freezer on sale for $486.50. The original price of the freezer was $695. Find (a) the... Problem 432PT: Bonita has $2.95 in dimes and quarters in her pocket. If she has five more dimes than quarters, how... Problem 433PT: At a concert, $1,600 in tickets were sold. Adult tickets were $9 each and children’s tickets were $4... Problem 434PT: Kim is making eight gallons of punch from fruit juice and soda. The fruit juice costs $6.04 per... Problem 435PT: The measure of one angle of a triangle is twice the measure of the smallest angle. The measure of... Problem 436PT: What is the height of a triangle with area 277.2 square inches and base 44 inches? Problem 437PT: In the following exercises, use the Pythagorean Theorem to find the length of the missing side.... Problem 438PT: In the following exercises, use the Pythagorean Theorem to find the length of the missing side.... Problem 439PT: A baseball diamond is really a square with sides of 90 feet. How far is it from home plate to second... Problem 440PT: The length of a rectangle is two feet more than five times the width. The perimeter is 40 feet. Find... Problem 441PT: Two planes leave Dallas at the same time. One heads east at a speed of 428 miles per hour. The other... Problem 442PT: Leon drove from his house in Cincinnati to his sister’s house in Cleveland, a distance of 252 miles.... Problem 443PT: Chloe has a budget of $800 for costumes for the 18 members of her musical theater group. What is the... Problem 444PT: Frank found a rental car deal online for $49 per week plus $0.24 per mile. How many miles could he... Problem 439PT: A baseball diamond is really a square with sides of 90 feet. How far is it from home plate to second...
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Two sides of a triangular lot have lengths 60 feet and 150 feet, and the angle between the two measured sides is 120 degrees. To the nearest square foot, what is the area of the lot?
Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.
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