1.81 BSCDetermine whether each value of x is a solution of the inequality. (Select all that apply.)x22x15 200 x = -3X = 0x = -6******0x=1Mood Woln?Type here to searchALLEE*14f5hp11

An inequality is given by x2-2x-15 ≥ 0. The objective is to determine whether each value of x is a…

Answered: In Determine whether each value of x is…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter3: Multi-step Equations And Inequalities

Section: Chapter Questions

Problem 6CST

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Elena needs to earn at least $450 a week during her summer break to pay for college. She works two jobs. One as a swimming instructor that pays $9 an hour and the other as an intern in a genetics lab for $22.50 per hour. How many hours does Elena need to work at each job to earn at least $450 per week? (a) Let x be the number of hours she works teaching swimming and let y be the number of hours she works as an intern. Write an inequality that would model this situation. (b) Graph the inequality. (c) Find three ordered pairs (x, y) that would be solutions to the inequality. Then, explain what that means for Elena.
Shanthie needs to earn at least $500 a week during her summer break to pay for college. She works two jobs. One as a swimming instructor that pays $10an hour and the other as an intern in a law office for$25 hour. How many hours does Shanthie need to work at each job to earn at least $500 per week? (a) Let x be the number of hours she works teaching swimming and let y be the number of hours she worksas an intern. Write an inequality that would model thissituation. (b) Graph the inequality. (c) Find three ordered pairs (x,y) that would be solutions to the inequality. Then, explain what that means for Shanthie.
Find your last month’s phone bill and the hourly salary you are paid at your job. (If you do not have a job, use the hourly salary you would realistically be paid if you had a job.) Calculate the number of hours of work it would take you to earn at least enough money to pay your phone bill by writing an appropriate inequality and then solving it.

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In Determine whether each value of x is a solution of the inequality. (Select all that apply.) x²2x15 20 10 x=-3 Ox=0 x=-6 0x = 1 ******* Nood Holn? Type here to search 71116 MALAL 14 f5 hp