1.) For each question on a test, Kamar received 5 points. He also answered the extra creditquestions right for an additional 6 points. If he needs to get a minimum of an 81 to get a "B"average, what inequality models the number of problems he needs to get right? Solve theinequality you picked.a. 5q + 6 < 81b. 5q- 6 > 81C. 5q + 6 2 81d. 6q + 5 2 81

Answered: Image /qna-images/answer/89e6a11d-ceb3-495e-a43f-adbf66ddc717.jpg

Answered: 1.) For each question on a test, Kamar…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

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17. An electronics store makes a profit of $30 for every portable DVD player sold and $60 for every DVD recorder sold. The manager's target is to make at least $250 a day on sales of the portable DVD players and DVD recorders. Write an inequality that represents the number of both kinds of DVD players that can be sold to reach or beat the sales target. Let p represent the number of portable DVD players and r represent the number of DVD recorders. O 60p + 30r > 250 O 30p + 60r 250 O 30p + 60r >250 acer
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A construction worker is digging holes for a fence. The supervisor has asked him to dig the holes 35" deep. Since the height of the fence posts can be adjusted the supervisor conveyed that the depth of his holes could be off by no more than 2". a. On the number line below, represent all possible depths (in inches) that the holes can be. 15 20 25 30 35 40 45 Clear All Draw: b. Write an inequality (without using absolute value) to represent all possible values for x, the depth (in inches) of the holes. Preview c. Complete the following absolute value inequality to represent all possible values for x, the depth (in inches) of the holes. Box 1: Enter your answer by drawing on the graph. Box 2: Enter your answer using inequality notation. Example: 3 = 3 Enter all real numbers for solutions of that type Enter each value as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Enter DNE for an empty set. Use oo to enter Infinity. Box 3: Enter your answer as an expression.…
Janie charges $8 an hour to babysit with an additional flat fee of $15 for each babysitting job. She wants to purchase a new game system that will cost her $139 40. Write an inequality to show the least number of complete hours she needs to babysit to purchase the game system if she has one job scheduled. Solve the inequality that you created in Part A. Janie is considering changing her rate to S12.00 an hour with no flat fee. What effect would this change have on the hours that Janie needs to work to buy the gaming system? What conclusions can you draw about Janie charging the flat fee and not charging the flat fee?
Frank was planning a 10-week bike riding trip through Europe. He planned on taking $1,500 with him for food and other expenses. • He wanted to return home with at least $250. Which inequality will allow Frank to determine how much he can spend each week? 1500 10w > 250 1500 10w 2 250 O 1500 - 10w < 250 O 1500 10w < 250
that includes a football, baseball, soccer ball, and basketball. This complete boxed set costs 1. Jonathan wants to save up enough money so that he can buy a new sports equipment set Wednesday- Day 3 50. Jonathan has $15 he saved from his birthday In order to make more money.ne plans to wash neighbors' windows. He plans to charge $3 for each window he washes. A. Write and solve an inequality that represents the number of windows Jonathan needs fo wash order to save at least the minimum amount he needs to buy the boxed set.
Josh wants to figure out how far he can run in 30 minutes or less. He averages 8 minutes to run a mile. What inequality can he use to solve this problem?
2. Explain how a test point can be used to determine the solution to an inequality.
Bryan owns a landscaping business. He charges $40 per square foot for retaining walls. Bryan’s monthly expenses to run the business total $24,000. He wants to earn at least $4,000 per month. First, letting w be the number of square feet of retaining wall, write an inequality to model this situation. Then, determine how many total square feet of retaining wall Bryan must build to earn a profit of at least $4,000 per month. (Round your answer to the nearest whole number.)
Two sides of a triangle are 7 cm and 3 cm. What could he the length of the third side? Write an inequality to explain your answer.
5.) Thrice the sum of thrice a number and -7 is less than or equal to 6. Find the solution of the inequality.
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