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

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

 Question 135119: I need an eqation and solution for this word problem: 9 times a number is one more then ten times the number. Click here to see answer by stanbon(57967)

 Question 135144: I need an equation and solution for this word problem(please show your work): four times the sum of three consecutive integers is 180. Click here to see answer by stanbon(57967)

 Question 135171: Solve each inequality. State the solution set in interval notation and sketch its graph. #114 -3/8<= -1/4x + 1/8 < 5/8 Click here to see answer by stanbon(57967)

 Question 135201: The sum of three consecutive integers times four is 180.(I know the integers are 14 15 16 but how do you get that? I need equation and solution please.)! Click here to see answer by checkley77(12569)

 Question 135368: A food chemist tests enzymesfor their ability to break down pectin in fruit juices (Dennis Callas). Excess pectin makes juice cloudy. In ine test, the chemist measures the concentration of the enzyme, c, in miligrams per milliliter and the fration of light absorbed by the liquid, a,. If a > 0.07c +0.02, then the enzyme is working as should. Graph the inequality in the first quadrant. Click here to see answer by stanbon(57967)

 Question 135667: Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. (a) The sales rep. informs you that there are two floor plans still available, and that there are a total of 56 houses available. Use x to represent floor plan #1 and y to represent floor plan #2. Write an equation that illustrates the situation. (b) The sales rep. later indicates that there are 3 times as many homes available with the 2nd floor plan than the first. Write an equation that illustrates this situation. Use the same variables you used in part a. (c) Use the equations form part a and b as a system of equations, and solve via substitution. Click here to see answer by stanbon(57967)

 Question 136136: How do you konw if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation with an inequality sign? Is there ever a time when the same value will be a solution to both the equation and the inequality? Can you write an inequality and provide the value that may or may not be a solution to the inequality? Click here to see answer by solver91311(17077)

 Question 136472: What is the inequality of no less than 6000 no more than 10000? Click here to see answer by stanbon(57967)

 Question 136917: if n is apositive integer prove that (1+1/n+1)^n > (1+1/n)^n Click here to see answer by vleith(2825)

 Question 137484: I need to solve the problem: 5(n-7)n is less than or equal to 20 This is my solution but I'm not sure it is correct: 5(n-7)n< or = 20 5*n-5*7n< or = 20 5n-35n< or = 20 -30n< or = 20 -30n/-30 < or = 20/-30 n < or = -2/3 The questions is from a worksheet called 7-7 Practice Writing Inequalities Student Edition Glencoe/McGraw-Hill pages 355-357 Click here to see answer by stanbon(57967)

 Question 137589: Kurt is saving to buy a new computer.The computer he wants costs \$1299.He has already saved \$732.Write an inequality to determine the least amount he must still save. Click here to see answer by BlznAnnie05(2)

 Question 138123: I don't know how to answer this question.... can you please teach me how to solve this problems???...show me how and what will be the result.... tnx 1. subtracting 8% of x from x is the same as multiplying x by what number? 2. if a:b= 3:7, find the ratio of (a+b) to (a-b) Click here to see answer by checkley77(12569)

 Question 138238: 9g + 7h = 9g - 7h + g Click here to see answer by checkley77(12569)

 Question 138218: How do you solve fraction and reduce them? Click here to see answer by brandonpark2889(31)

 Question 138339: This is not from a textbook. Which describes the following system of equations? y=x+6 2y=-4x+3 Consistent, dependent, independent, inconsistent or a combination? Thanks! Click here to see answer by oscargut(900)

 Question 138703: The sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that is 9 cm and a second side that is 3 cm less than twice the third side, what are the possible lengths for the second and third sides? Click here to see answer by ankor@dixie-net.com(15746)

 Question 138697: Solve the following inequality where x can take any value 3x+7>1 Click here to see answer by stanbon(57967)

 Question 139012: I need to solve the inequality, but I am getting confused with the fractionin the problem. 2/3(12-x)>4 thank you Click here to see answer by solver91311(17077)

 Question 139217: One half of the sum of a number and 6 is less than 25. What is the number? Thank You Click here to see answer by josmiceli(9817)

 Question 139501: how do you solve for this 2x – 9 > 0 Click here to see answer by jim_thompson5910(28715)

 Question 139686: Can you please show me and help me solve this problem? Solve for y 6 - 3y _> 9 Click here to see answer by edjones(7569)

 Question 139693: Can you please show me and help me solve this problem? Solve for n (5/8)n + 6 = (5/8)(16 + n) Click here to see answer by MathTutorer(13)

 Question 139678: Tutor could you help me please: A homeowner wants to fence a rectangular garden using 120 ft of fencing. The side of the garage will be used as one side of the rectangle. Find the dimensions for which the area is a maximum. thank you Click here to see answer by stanbon(57967)

 Question 139759: You run a ten-kilometer race in 45.5 minutes. Write an inequality for the time,t, of the runners who finished the race after you did. Thanks, I would appreciate any help you can give me. I've been stuck on a couple problems like these. So any help would be great! Click here to see answer by solver91311(17077)

 Question 139754: Solve: 5t + 1 > 3t - 13 Is it: A.) t > -6 B.) t > -7 C.) t > 6 D.) t < 7 Please help ASAP! Click here to see answer by solver91311(17077)