# Questions on Algebra: Inequalities, trichotomy answered by real tutors!

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 Algebra: Inequalities, trichotomy Solvers Lessons Answers archive Quiz In Depth

 Question 37535: I need to find the GCF of 6, 18, and 30 and I also need to find the LCM for 4 and 20. Can someone help please? Thank you and have a great day!! Click here to see answer by fractalier(2101)
 Question 37535: I need to find the GCF of 6, 18, and 30 and I also need to find the LCM for 4 and 20. Can someone help please? Thank you and have a great day!! Click here to see answer by trumpetmstr07(1)

 Question 37869: How do I solve x > 6x - 10 and what is the answer? Click here to see answer by benni1013(197)

 Question 38227: *write an inequalities that corresponds to each statement. x is less than y. _______ *tell hether statement is tue or false. -5<-2 *solve each inequality x+3<4 Click here to see answer by stanbon(57395)

 Question 38472: Could you help me figure this problem out I have worked hard and Ican't get the steps or the answers Click here to see answer by hellyeah(21)

 Question 39031: Solve the inequality and express the solution in interval notation: x^2 - 6x + 11 <18 Click here to see answer by stanbon(57395)

 Question 39079: I need your help please. The number of senior citizens (65 and over) in the United States in millions n years after 1990 can be estimated by using the formula. s=0.038 + 31.2 (US Bureau of the Census) The percentage of senior citizens living below level n years after 1990 can be estimated by using the formula. p=0.25n + 12.2 a. How many senior citizens were there in 2000? b. In what year will the percentage of seniors living below the poverty level reach 7%. c. What is the first year in which can we expect both the number of seniors to be greater than 49 million and fewer than 7% living below the poverty level. Thank you. Click here to see answer by AnlytcPhil(1278)

 Question 39024: This is from Dr. Rapalje's Intermediate Algebra book. Page 81, #8 Solve the inequality. Give answer in interval notation. -8 - 3(X - 4) < 3(6 - X) I ended up with x < 14 The answer is (-oo, oo) I have no idea how he came up with that answer. Thanks! Click here to see answer by fractalier(2101)

 Question 39165: seven times a number is less than 84 Click here to see answer by Nate(3500)

 Question 39347: This one has me floored and there are no other similar problems to compare it to. I bet it is REALLY simple, but I cannot figure out how to start it. Please help, and thank you! PROBLEM: The cost for a long distance telephone call is \$0.36 for the first minute, and .21 for each addtional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding \$3.00. Click here to see answer by checkley71(8403)

 Question 39368: x+33/x+3 is greater than or equal to 7....could you please solve this and show how to work it out Click here to see answer by Nate(3500)

 Question 39383: Find the midpoint of the line segment PQ for P(4, -3), Q(2,7) Click here to see answer by longjonsilver(2297)

 Question 39384: If M (5,2) is the midpoint of segment PQ and the coordinates of Q are (3,-3), find the coordinates of P. Click here to see answer by fractalier(2101)

 Question 39523: 4. Find the midpoint between these points: (2, 7) and (-4, 1) Click here to see answer by stanbon(57395)

 Question 39522: 2. Solve for x: 11x + 3 – 13x – 7 < 2(5 – 4x) Click here to see answer by stanbon(57395)

 Question 39528: 1. Solve for x: 2(x + 3) > 20 Click here to see answer by checkley71(8403)
 Question 39528: 1. Solve for x: 2(x + 3) > 20 Click here to see answer by fractalier(2101)

 Question 39527: Fill in the chart given this linear equation: 2x + y = 42. x y -2 -1 0 1 2 Click here to see answer by fractalier(2101)

 Question 39518: . Fill in the chart given this linear equation: 2x + y = 42. x y -2 -1 0 1 2 Click here to see answer by fractalier(2101)

 Question 39550: The linear equation x = -1 graphs as a horizontal/vertical/diagonal line (choose the correct label and type it below). Click here to see answer by fractalier(2101)

 Question 39658: Write an inequality that contains both of the solutions of the equation? 4x=7+2/x Click here to see answer by stanbon(57395)

 Question 39673: Solve the following system of linear inequalities by graphing. 3x - y < 2 and x + y > 2 I can come up with several solution sets for both, but none for a consistent system. Any suggestions? Click here to see answer by josmiceli(9697)

 Question 39827: bob has \$3 more than Carol, and Carol has twice as much as Leon. Together they have \$108. How much does each person have? Click here to see answer by atif.muhammad(135)

 Question 39854: what is the domain of function y=squaroot of x2-9 show answer in two different ways a. algebraic solution b. graphical solution Click here to see answer by fractalier(2101)

 Question 39876: X/3 + 1/6 (less than or equal to) 2x + 3/2 Click here to see answer by stanbon(57395)
 Question 39876: X/3 + 1/6 (less than or equal to) 2x + 3/2 Click here to see answer by fractalier(2101)

 Question 39879: which one defines a function? 1. y=x-1 2. y^2=4-x^2 3.y=square root of x Click here to see answer by stanbon(57395)

 Question 40233: Rewrite the statement so the inequality symbol point the opposite direction. 5 £ 14 Click here to see answer by fractalier(2101)

 Question 40422: -2x^2+7x-10<=(-3)x+2 Possible answers a. (-inf,-3) U (-2,+inf) b. (-inf,2) U (3, inf) c. (-3,-2) d. (2,3) Click here to see answer by fazlerabbi(9)

 Question 40457: please help!! If 100C^2 has a value of 4,950, what is the value of 100C^98? I thought it would be that 2475*98 would give me the answer but that wasnt an option Click here to see answer by Nate(3500)

 Question 40619: Could someone please help me to understand how to solve this type of problem? I just cannot seem to get it. Solve each rational inequality and state the solution set using interval notation. a__ a + 2 >0 (I can't get it to post correctly, a is over a + 2 and both together are suppose to be >0) Click here to see answer by junior403(76)

 Question 40620: Solve each rational inequality and state the solution set using interval notation. x + 3/x lessthan or eqaul to -2 (I don't know why this dosen't post right. x + 3 over x is lessthen or eqaul to -2) Click here to see answer by junior403(76)