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

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

 Question 54000: I am trying to figure out the length of a rectangular playing field that is 5 ft less than twice its width and the perimeter of the playing field is 230 ft, what is the length and width of the field? Click here to see answer by checkley71(8403)

 Question 53963: Evaluate each expression for the given values of the variables. 5k(6-6m) for k=2and m=1/2 Click here to see answer by rchill(405)

 Question 53951: tickets for a train \$120 for sleeping room \$80 for berth and \$50 for coach the total sales were \$8600 If there were 20 more berth than sleeping and 3 time as many coach as sleeping how many of each type were sold. I am just having problem with the formula after i get that i can keep going i cant get if its x+2(c)=8600 Or c(x+2)=8600 even then i can figure it out after that there must be something with the amounts or its a two part problem just get me the 1st step Thanks Click here to see answer by ankor@dixie-net.com(15667)

 Question 54013: If Martina leaves home at 9 A.M., bicycling at a rate of 24 mi/h. About two hours later, John leaves, driving at the rate of 48 mi/h. What will the time be when John catches up with Martina? Click here to see answer by checkley71(8403)
 Question 54013: If Martina leaves home at 9 A.M., bicycling at a rate of 24 mi/h. About two hours later, John leaves, driving at the rate of 48 mi/h. What will the time be when John catches up with Martina? Click here to see answer by AnlytcPhil(1278)

 Question 54010: If a bus leaves a station at 1 P.M., traveling west at an average rate of 44 mi/h. An hour later a second bus leaves the same station, traveling east at a rate of 48 mi/h. What time will the two buses be at 274 mi apart? Click here to see answer by Nate(3500)

 Question 54008: My question is, if a bicyclist rode into the country for 5 h. Once returning, what was the speed if the person was traveling 5 mi/h faster and the trip took 4 h. What was the speed going each way? Click here to see answer by Nate(3500)
 Question 54008: My question is, if a bicyclist rode into the country for 5 h. Once returning, what was the speed if the person was traveling 5 mi/h faster and the trip took 4 h. What was the speed going each way? Click here to see answer by checkley71(8403)

 Question 53926: instructions: Graph in a coordinate plane 17. y<2x^2-4x+1 i have no idea how to simplify nor graph.. Click here to see answer by rchill(405)

 Question 54054: graph each compound or absolute value inequality x+y <= 1 or y <= 4 thank you Click here to see answer by stanbon(57424)

 Question 54053: Graph each compound or absolute value inequality x+8y>8 and x-2y<10 Thank you! Click here to see answer by stanbon(57424)

 Question 54082: What are the steps you need to take when solving this equation: 2(x - 2) = x + 3 ? Click here to see answer by funmath(2925)

 Question 54104: How is this problem solved and graphed ( 7(x - 3) > 5x - 14 )? Click here to see answer by funmath(2925)

 Question 54103: How do you graph and solve this equation ( 3x > 2x - 4)? Click here to see answer by funmath(2925)

 Question 53949: Solve the compound inequality and graph on the number line: 1/3X > 2 and 1/4X > 2. Click here to see answer by funmath(2925)

 Question 54118: I have 2 questions in 1, so here's the first - There are 850 Douglas fir and ponderosa pine trees in a section of forest bought by Swazi Logging Co. The company paid an average of \$300 for each Douglas fir and \$225 for each ponderosa pine. If the company paid \$217,500 for the trees, how many of each kind did the company buy? Here is question #2 - A chemist has 300 milliliters (mL) of solution that is 18% acid. How many milliliters of acid are in the solution? I hope someone responds, thank you. Click here to see answer by stanbon(57424)

 Question 54266: To solve for this equation, or I would have to do the same to both sides correct? if I (-5) to the 11 side I must do the same to the 8 side right? From there I would solve for x normally and that gives me the 2 answers? I think I have the logic down, just need to make sure my steps are correct. Thank you Click here to see answer by Nate(3500)
 Question 54266: To solve for this equation, or I would have to do the same to both sides correct? if I (-5) to the 11 side I must do the same to the 8 side right? From there I would solve for x normally and that gives me the 2 answers? I think I have the logic down, just need to make sure my steps are correct. Thank you Click here to see answer by stanbon(57424)
 Question 54266: To solve for this equation, or I would have to do the same to both sides correct? if I (-5) to the 11 side I must do the same to the 8 side right? From there I would solve for x normally and that gives me the 2 answers? I think I have the logic down, just need to make sure my steps are correct. Thank you Click here to see answer by Edwin McCravy(8922)

 Question 54300: Absolute value of(2x+5) is less than or equal to 3. /2x+5/<=3 I set it up according to the rule /ax+b/<=c then -c<=ax-b<=c so -3<=2x+5<=3 -5 -5 -5 -8<=2x<=-2 -4<=x<=-1 Interval notation would be [-4,-1] However, my teacher's answer sheet to the review problem shows -4 or in interval notation (-4,-1] why would -4 be less than and not less than or equal to x? Click here to see answer by stanbon(57424)

 Question 54306: Here is another question I need assistance with. You have a rectangle that is 2 cm more than twice its width and the perimeter is 52 cm, what are the dimensions of this rectangle? Click here to see answer by fanks(6)

 Question 54305: My question is if the length of one of the equal legs of an isosceles triangle is 8 cm less than 4 times the length of the base and the perimeter is 29 cm, then what is the length of one of the equal legs? Click here to see answer by jainenderkapoor(61)

 Question 54387: The length of a rectangle is 3 times the width. The pereimeteris 96 cm. Find the width and length. Click here to see answer by Nate(3500)

 Question 54454: Ttanslate into inequality, and solve. Express the answer in interval notation. The diference between a number and five is less than seven. Click here to see answer by tutorcecilia(2152)

 Question 54453: Translate into an iequality, and solve Six more than the product of a number and five is greater than 3 times the number. Click here to see answer by tutorcecilia(2152)

 Question 54475: A coffee merchant has coffee beans that sell for \$9.00 per pound and \$12.00 per pound. The two types are to be mixed to create 100 pounds of a mixture that will sell for \$11.25 pound. How much of each type of bean should be used in the mixture? Click here to see answer by stanbon(57424)

 Question 54628: solve each of the following inequlity. Express your final answer using interval notation. a) -2>-2y-10>-22 b) x/4+3 <4 c) x/8+5 >4 Click here to see answer by stanbon(57424)

 Question 54664: Ms. Mobley wants to buy a sofa but she cant afford the \$375 price tag. Next week it will go on sale ffor 40% off. How much will she pay after the discount and the 6% sales tax? Click here to see answer by psbhowmick(529)

 Question 54678: if the population of WAHS was 1,800 last year and 2,100 this year, what is the percent change? Click here to see answer by stanbon(57424)

 Question 54737: What three consecutive numbers who sum is 0 Click here to see answer by psbhowmick(529)

 Question 54784: solve each of the following inequalities. express answers in interval notation. a) 2y^2+5y-63<0 b) 4y^2+10y-14<0 c) x^2+x-30<0 Click here to see answer by venugopalramana(3286)

 Question 54803: Can someone help me on this problem: A long-distance phone call costs \$1.11 for the first minute and \$0.97 for each additional minute or portion thereof. I need to write an inequality representing the number of minutes a person could talk without exceeding \$6. Thanks, Ashley Click here to see answer by ankor@dixie-net.com(15667)

 Question 54806: Can someone help me on this problem? A electronics store wants to order at least 3 times as many DVD players as VHS players. I need to write an inequality expressing this relationship. Thanks, Ashley Click here to see answer by stanbon(57424)