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

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

 Question 234969: help me solve this problem 1. 5x^3-35x+50x in factor trinomial completely 2. -3y^2+30y-75 need to know how to factor them out completely. Click here to see answer by solver91311(17077)

 Question 234619: Find two consecutive numbers such that 3/4 of the first number is 5 more than 1/2 the second number Click here to see answer by ankor@dixie-net.com(15746)

 Question 235182: How do you find the point of intersection between y=-1/2x+4 and y=2x+8 Click here to see answer by stanbon(57967)

 Question 235242: A hummingbird can fly between 0.34 and 0.81 miles per minute. What is the range in miles per hour? Graph your answer. I got 0.34 < x < 0.81 but i dont think its right Click here to see answer by josmiceli(9817)

 Question 235461: Please I need help with this problem: 1. The number of publishers in the usa has increased approximately linearly from 40,964 in 1993 to 73,200 publishers in 2003. Let n be the number of publishers at t years since 1990 (a) find an equation of a linear model to describe the data. (b) what is the slope? what does it mean in this situation? (c) what is the n intercept? what does it mean in this situation? Click here to see answer by stanbon(57967)

 Question 235572: tell whether the given # is a solution of -8 is greater than or equal to -17+x-14 1. -23 2. 23 3. 0 4. 25 I don't know if they are looking for a yes no answer or a #? Click here to see answer by Alan3354(31519)

 Question 235618: I don't understand how to write an inequality from a word problem. If that doesn't make sense, my problem is that I don't know how to take an equation from a word problem. The problem is "In a school zone, cars can go no more than 20 mi/h." I think I'm supposed to put x>=20, x meaning cars. That is suppose to mean cars can go less than or equal to twenty. Also I know the > Should have a line under it to show equal to, but I'm not sure how to show that on a computer. Click here to see answer by Theo(3504)

 Question 235774: Is there an equation for 5 is not less than 3 Click here to see answer by nyc_function(2733)

 Question 235980: I don't understand how to solve the compound inequality. Any help will be greatly appreciated. Thank you!! 5>-2x+4 or 8< equal to -3x + 4 Click here to see answer by punksnotdead28(4)

 Question 236499: Your departmetn sends its copying to the photocopy service down the street. The service bills your department \$0.08 per page. Your department is considering purchasing a copier for \$1750. The expense per page with the copier would be \$0.03. If the expected life of the copier is 6 years, how many copies must the department make in the 4-year period in order for purchasing the copier to be more economical than using the photocopy service? a. Write an inequality to describe the situation b. Solve the inequality Click here to see answer by rfer(12730)

 Question 237127: Write an inequality: The sum of half a number and two-thirds of the number is less than 14 Click here to see answer by rfer(12730)

 Question 237248: What is the smallest value of x for which | x | < 6 Click here to see answer by ankor@dixie-net.com(15746)

 Question 237344: A health official recommends a maximum cholesterol level of 200 units. By how many units must a patient with a cholesterol level of 275 units reduce her cholesterol level to satisfy the recommended maximum level??????? Click here to see answer by rapaljer(4667)

 Question 237367: I have a problem of -h is less then or equal to-14 and what I am trying to figure ot is do I need to divide the negative sign so that it's no longer there by h ? Click here to see answer by Edwin McCravy(8999)

 Question 237538: Solve the system of equations by elimination. 5x – 2y = -4 4x – 7y = 3 Click here to see answer by stanbon(57967)

 Question 238254: Tell whether the given number is a solution of 5x–10 > 2x+4. The numbers are... 8, 5, 4, -2 Tell yes or no and graph. Click here to see answer by solver91311(17077)

 Question 238267: Ok, so I asked this question before but I need to know how you graph this. Tell whether the given number is a solution of 5x–10>2x+4. The numbers are 8, 5, 4, –2 How to graph this, please try the best you can, I'm really confused!!! Click here to see answer by checkley77(12569)

 Question 238396: how do solve and graph -40 < -5r Click here to see answer by checkley77(12569)

 Question 238581: Form a polynomial whose real zeros and degree are given.Type the answer in factored form with a leading coefficient of 1. Zeros: -4, 4, 6; degree:3 Click here to see answer by user_dude2008(1861)

 Question 238606: how do you solve 0.9x(7x+6)is greater than or equal to 1.7-(x+6)? Click here to see answer by College Student(505)

 Question 238835: Solve: 6x+2>7x-5 Im confused about how this answer is solved, my instructor is not available At the moment the multiple choice answers are A) {x|x<-3} B) {x|x<7} C) {x|x>-3} D){x|x>7} im not sure what this | bar means i think x is 7 but i may be wrong. Click here to see answer by checkley77(12569)

 Question 237874: how do i solve this word problem (its really confusing)? you take more than \$8.25 but less than \$10 to the amusement park. You ride the slide 15 times and decide that you need a soda. If the soda is \$2,do you have enough money left over to buy the soda? The key for this is as follows: The wetter than wet waterpark charges \$0.75 to rent a mat plus \$0.50 each time you ride the big water slide. I have figured out that the equation is y=0.75+0.50x Click here to see answer by College Student(505)