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

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

 Question 180890: While driving to Fullerton, Mrs. Summer travels at an average speed of 40 mph. On the return trip, she travels at an average speed of 56 mph and saves two hours of travel time. How far does Mrs. Summer live from Fullerton? Click here to see answer by nerdybill(6958)

 Question 181014: A metal stays solid at Fahrenheit temperatures below 1704.3 degrees. Determine (in terms of an inequality) those Celsius temperatures for which the metal stays solid. Use the formula F=9/5C+32 The solution set is {C/C<__} (Round to the nearest tenth. Click here to see answer by stanbon(57342)

 Question 181141: Directions: Express the interval in terms of inequalities, and then graph the interval. (-3, 0) Click here to see answer by Mathtut(3670)

 Question 181189: Determine whether 2 is a solution of the inquality x>-2 Click here to see answer by Mathtut(3670)

 Question 181178: Gloria is starting her own company making teddy bears. She has enough bear bodies to create 40 bears. She will make girl and boy bears. A. Write an inequality to show this. B. Gloria will charge \$15 for girl bears and \$12 for boy bears. She wants to earn at least \$540 a week. Write an inequality to show this. Can you help me - please? Click here to see answer by ankor@dixie-net.com(15650)

 Question 181104: Solve each of the following by using an inequality Ronald wants to sell his car through a broker who charges a commission of 10% of the selling price. Ronald still owes \$11,025 on the car. Roanld must get enough to at least pay off the loan. What is the range of the selling price Click here to see answer by Mathtut(3670)

 Question 181861: suppose your sister wants toqualify for a reginal gymnastics competition.at todays competition she mustscore at least 57.0 points.she scored 13.8 on the vault,14.9 on the balance beam,and 13.2 on the uneven parallel bar.the event that remains is the floor exercise Click here to see answer by solver91311(16885)

 Question 181975: Students in a math class need an average of at least 90 points to earn an A. One students test scores are 88, 91, and 85. What must the student score on the next test to earn an A. Click here to see answer by nerdybill(6958)

 Question 182032: Could you show how to solve and graph this inequality? I am a parent trying to help my son with 8th grade algebra. -7 < 3x + 2 is less than or equal to 14 Click here to see answer by jim_thompson5910(28595)

 Question 182071: What if the equations are 7r-6s=42 and 6r+7s=75 ? Would you multiply both equations by -6?I have done it like that I get an answer that I do not think is right. Click here to see answer by checkley77(12569)

 Question 182097: A moving truck leaves the house at a steady rate of 40mph. The family leaves the house 1 hour later following the same route in a car. They travel at a steady rate of 60mph. How long after the moving truck leaves the house will the car catch up with the truck? Click here to see answer by stanbon(57342)
 Question 182097: A moving truck leaves the house at a steady rate of 40mph. The family leaves the house 1 hour later following the same route in a car. They travel at a steady rate of 60mph. How long after the moving truck leaves the house will the car catch up with the truck? Click here to see answer by Alan3354(30993)

 Question 182098: The Jaspers collect nickels,dimes,and quarters in a jar. When they count the change in the jar there are twice as many nickels as there are quarters. If there is \$15.30 in dimes and \$74.80 in all how many quarters are there? Click here to see answer by stanbon(57342)

 Question 182140: I appreciate any help on this problem, Solve the inquality. Express the solution using interval notation and graph the solution set. 3-|2x+4|<1 I think the answer is x>-1 but this teacher takes off points for every mistake made in getting the answer so I would like to be shown the process, too. Thanks! Click here to see answer by vleith(2825)

 Question 182234: You want to spend 40 minutes at the gym on the stairmaster which burns 5 Cal/min. and on the stationary bike that burns 6 Cal/min. You want to burn a total of 225 Calories. How many minutes do you spend on each machine? Click here to see answer by nerdybill(6958)

 Question 182413: If x<0, is -(negative) x a positive or a negative number? Why? Click here to see answer by solver91311(16885)

 Question 182440: Jenny wants to utilize a portion of her garden for growing flowers. Being a designer herself, she visualizes a triangular area with different lengths for each side. For this Jenny decides to keep a side of the triangular area 5 feet shorter than the third side and the other side 4 feet longer than the third side. She also wants to restrict the perimeter of the triangular area to a maximum of 29 feet, so that it does not cover a huge area of the garden. Determine the length of each side of the triangular area that Jenny has visualized. Click here to see answer by solver91311(16885)

 Question 182585: Hello. I was hoping for some help on checking to see if I graphed this inequality correctly. x-2y>4 thanks H.C. Click here to see answer by stanbon(57342)

 Question 180953: 3lx-4l<-24 what is x l = absolute value Click here to see answer by rapaljer(4667)

 Question 183229: Solve: (3-x)(2+x)(4+x)>0 How do I figure out the answer and write it in interval notation? Click here to see answer by stanbon(57342)

 Question 183421: eight less than a number is no more than 14 and no less than 5. Click here to see answer by solver91311(16885)

 Question 183686: What is the inequality of the problem 33-12x<4x+97 Click here to see answer by jim_thompson5910(28595)

 Question 183786: 5(x+3)+9<=3(X-2)+6 Please help me to solve, I do not understand the procedure. the sign after the number 9 should have a line under it such as less than or equal to. Click here to see answer by stanbon(57342)

 Question 131924: Please help! How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of 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? Write an inequality and provide a value that may or may not be a solution to the inequality. Please and Thank You=) Click here to see answer by barbara.roberts(1)

 Question 184095: Find the inquality that describes the given interval. [-1,4] Click here to see answer by solver91311(16885)

 Question 184110: Can someone please walk me step by step on how to solve the following equation. I am really stumped by this problem, or I am missing a step somewhere. 3/4 + 2y < y - 2/3 Thank you so much for any help. Click here to see answer by solver91311(16885)

 Question 184152: Solve the inequality (y alone) & positive on the left side of equation. 3X-Y-2<-2+2Y Click here to see answer by jim_thompson5910(28595)