Problem 328RE: In the following exercises, determine if the following points are solutions to the given system of... Problem 329RE: In the following exercises, determine if the following points are solutions to the given system of... Problem 330RE: In the following exercises, solve the following systems of equations by graphing. 330. {3x+y=6x+3y=6 Problem 331RE: In the following exercises, solve the following systems of equations by graphing. 331. {x+4y=1x=3 Problem 332RE: In the following exercises, solve the following systems of equations by graphing. 332. {2xy=54x2y=10 Problem 333RE: In the following exercises, solve the following systems of equations by graphing. 333. {x+2y=4y= 1... Problem 334RE: In the following exercises, without graphing determine the number of solutions and then classify the... Problem 335RE: In the following exercises, without graphing determine the number of solutions and then classify the... Problem 336RE: In the following exercises, without graphing determine the number of solutions and then classify the... Problem 337RE: In the following exercises, solve the systems of equations by substitution. 337. {3x2y=2y= 1 2x+3 Problem 338RE: In the following exercises, solve the systems of equations by substitution. 338. {xy=02x+5y=14 Problem 339RE: In the following exercises, solve the systems of equations by substitution. 339. {y=2x+7y= 2 3x1 Problem 340RE: In the following exercises, solve the systems of equations by substitution. 340. {y=5x5x+y=6 Problem 341RE: In the following exercises, solve the systems of equations by substitution. 341. {y= 1 3x+2x+3y=6 Problem 342RE: In the following exercises, solve the systems of equations by elimination 342. {x+y=12xy=10 Problem 343RE: In the following exercises, solve the systems of equations by elimination 343. {3x8y=20x+3y=1 Problem 344RE: In the following exercises, solve the systems of equations by elimination 344. {9x+4y=25x+3y=5 Problem 345RE: In the following exercises, solve the systems of equations by elimination 345. { 1 3x 1 2y=1 3 4xy=... Problem 346RE: In the following exercises, solve the systems of equations by elimination 346. {x+3y=82x6y=20 Problem 347RE: In the following exercises, decide whether it would be more convenient to solve the system of... Problem 348RE: In the following exercises, decide whether it would be more convenient to solve the system of... Problem 349RE: In the following exercises, translate to a system of equations and solve. 349. Mollie wants to plant... Problem 350RE: In the following exercises, translate to a system of equations and solve. 350. Ashanti has been... Problem 351RE: In the following exercises, translate to a system of equations and solve. 351. Leroy spent 20... Problem 352RE: In the following exercises, translate to a system of equations and solve. 352. Troy and Lisa were... Problem 353RE: In the following exercises, translate to a system of equations and solve. 353. The difference of two... Problem 354RE: In the following exercises, translate to a system of equations and solve. 354. Two angles are... Problem 355RE: In the following exercises, translate to a system of equations and solve. 355. The measure of one of... Problem 356RE: In the following exercises, translate to a system of equations and solve. 356. Becca is hanging a 28... Problem 357RE: In the following exercises, translate to a system of equations and solve. 357. The perimeter of a... Problem 358RE: In the following exercises, translate to a system of equations and solve. 358. Sheila and Lenore... Problem 359RE: In the following exercises, translate to a system of equations and solve. 359. Bob left home, riding... Problem 360RE: In the following exercises, translate to a system of equations and solve. 360. Marcus can drive his... Problem 361RE: In the following exercises, translate to a system of equations and solve. 361. A passenger jet can... Problem 362RE: For the following exercises, translate to a system of equations and solve. 362. Lynn paid a total of... Problem 363RE: For the following exercises, translate to a system of equations and solve. 363. Priam has dimes and... Problem 364RE: For the following exercises, translate to a system of equations and solve. 364. Yumi wants to make... Problem 365RE: For the following exercises, translate to a system of equations and solve. 365. A scientist needs 70... Problem 366RE: For the following exercises, translate to a system of equations and solve. 366. Jack has $12,000 to... Problem 367RE: For the following exercises, translate to a system of equations and solve. 367. When she graduates... Problem 368RE: In the following exercises, determine whether the ordered triple is a solution to the system. 368.... Problem 369RE: In the following exercises, determine whether the ordered triple is a solution to the system. 369.... Problem 370RE: In the following exercises, solve the system of equations. 370. {3x5y+4z=55x+2y+z=02x+3y2z=3 Problem 371RE: In the following exercises, solve the system of equations. 371. {x+ 5 2y+z=22x+2y+ 1 2z=4 1 3xyz=1 Problem 372RE: In the following exercises, solve the system of equations. 372. {5x+3y=62y+3z=17x+z=1 Problem 373RE: In the following exercises, solve the system of equations. 373. {2x+3y+z=12x+y+z=93x+4y+2z=20 Problem 374RE: In the following exercises, solve the system of equations. 374. {x3y+2z=14x+2y3z=43x+y2z=6 Problem 375RE: After attending a major league baseball game, the patrons often purchase souvenirs. If a family... Problem 376RE: Write each system of linear equations as an augmented matrix. 376. {3xy=12x+2y=5 Problem 377RE: Write each system of linear equations as an augmented matrix. 377. {4x+3y=2x2y3z=72xy+2z=6 Problem 378RE: Write the system of equations that that corresponds to the augmented matrix. 378. [2433| 2 1] Problem 379RE: Write the system of equations that that corresponds to the augmented matrix. 379. [103120012| 1 23] Problem 380RE: In the following exercises, perform the indicated operations on the augmented matrices. 380. [4632|... Problem 381RE: In the following exercises, perform the indicated operations on the augmented matrices. 381.... Problem 382RE: In the following exercises, solve each system of equations using a matrix. 382. {4x+y=6xy=4 Problem 383RE: In the following exercises, solve each system of equations using a matrix. 383.... Problem 384RE: In the following exercises, solve each system of equations using a matrix. 384.... Problem 385RE: In the following exercises, solve each system of equations using a matrix. 385.... Problem 386RE: In the following exercises, solve each system of equations using a matrix. 386. {x+y3z=1yz=0x+2y=1 Problem 387RE: In the following exercise, evaluate the determinate of the square matrix. 387. [8453] Problem 388RE: In the following exercise, find and then evaluate the indicated minors. 388. |132421203| ; Find the... Problem 389RE: In the following exercise, evaluate each determinant by expanding by minors along the first row.... Problem 390RE: In the following exercise, evaluate each determinant by expanding by minors. 390. |354130261| Problem 391RE: In the following exercises, solve each system of equations using Cramer’s rule 391. {x3y=92x+5y=4 Problem 392RE: In the following exercises, solve each system of equations using Cramer’s rule 392.... Problem 393RE: In the following exercises, solve each system of equations using Cramer’s rule 393.... Problem 394RE: In the following exercises, solve each system of equations using Cramer’s rule 394.... Problem 395RE: In the following exercises, solve each system of equations using Cramer’s rule 395.... Problem 396RE: In the following exercises, determine whether the given points are collinear. 396. (0,2),(1,1), and... Problem 397RE: In the following exercises, determine whether each ordered pair is a solution to the system. 397.... Problem 398RE: In the following exercises, determine whether each ordered pair is a solution to the system. 398. {y... Problem 399RE: In the following exercises, solve each system by graphing. 399. {y3x+1yx2 Problem 400RE: In the following exercises, solve each system by graphing. 400. {xy1y 1 3x2 Problem 401RE: In the following exercises, solve each system by graphing. 401. {2x3y63x+4y12 Problem 402RE: In the following exercises, solve each system by graphing. 402. {y 3 4x+1x5 Problem 403RE: In the following exercises, solve each system by graphing. 403. {x+3y5y 1 3x+6 Problem 404RE: In the following exercises, solve each system by graphing. 404. {y2x56x+3y4 Problem 405RE: In the following exercises, translate to a system of inequalities and solve. 405. Roxana makes... Problem 406RE: In the following exercises, translate to a system of inequalities and solve. 406. Annie has a budget... Problem 407PT: In the following exercises, solve the following systems by graphing. 407. {xy=5x+2y=4 Problem 408PT: In the following exercises, solve the following systems by graphing. 408. {xy2y3x+1 Problem 409PT: In the following exercises, solve each system of equations. Use either substitution or elimination.... Problem 410PT: In the following exercises, solve each system of equations. Use either substitution or elimination.... Problem 411PT: In the following exercises, solve each system of equations. Use either substitution or elimination.... Problem 412PT: Solve the system of equations using a matrix. 412. {2x+y=7x2y=6 Problem 413PT: Solve the system of equations using a matrix. 413. {3x+y+z=4x+2y2z=12xyz=1 Problem 414PT: Solve using Cramer’s rule. 414. {3x+y=32x+3y=6 Problem 415PT: Solve using Cramer’s rule. 415. Evaluate the determinant by expanding by minors: |322214103| Problem 416PT: In the following exercises, translate to a system of equations and solve. 416. Greg is paddling his... Problem 417PT: In the following exercises, translate to a system of equations and solve. 417. A pharmacist needs 20... Problem 418PT: In the following exercises, translate to a system of equations and solve. 418. Arnold invested... Problem 419PT: In the following exercises, translate to a system of equations and solve. 419. The church youth... Problem 420PT: In the following exercises, translate to a system of equations and solve. 420. The manufacturer of a... Problem 421PT: In the following exercises, translate to a system of equations and solve. 421. Translate to a system... format_list_bulleted