# Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

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 Question 125042: Combine like terms. 6a2 + 4a + 5 + 3a2 + 7a – 2 Click here to see answer by edjones(7794)

 Question 125039: Solve. 5x – 0.89 = 4(x – 0.71) Click here to see answer by edjones(7794)

 Question 125044: Evaluate 2m-5n/n+3p if m = –2, n = 4, and p = –1. Click here to see answer by praseenakos@yahoo.com(507)
 Question 125044: Evaluate 2m-5n/n+3p if m = –2, n = 4, and p = –1. Click here to see answer by checkley71(8403)

 Question 125105: write the equation of the line with slope -1/2 and y-intercept (0,3) Thanks for all your help Click here to see answer by heidi_1_1(5)

 Question 124905: Corporation Wally Mart allows each of its traveling employees an amount of money per day for a hotel room and food expenses. One employee travels for 4 days and 4 nights and is allotted \$480 while another employee travels for 3 days and 2 nights and is allotted \$270. a) Give the system of equations for solving this situation. b) Find the amount allowed for a hotel room and daily food expenses Click here to see answer by ankor@dixie-net.com(16527)

 Question 125280: I need your help on how to graph this equation,here is the question along with the equation. Questions : Graph the function. Compare the graph with the graph of f(x)=x Equation : g(x)=x+5 Please explain to me how to graph the equation, I'm confuse! Thanks Click here to see answer by Earlsdon(6294)

 Question 125270: Is this correct? 1. Multiply (x-2)(x+2); answer: x^2+4? 2. x^4-2x^3+5x^2+10x+12 for value of x=2 ; answer: 52? 3. A chemist has a 25% and a 50% acid solution. How much of each solution should be used to form 200ml of a 35% acid solution? ; answer: 120 ml of 25% and 80 ml of 50%? I appreciate the help; hopefully I got them right. Click here to see answer by checkley71(8403)

 Question 125367: I really do not understand this statement. Create a graph with four odd vertices. Click here to see answer by stanbon(60778)

 Question 125375: how do I identify the axis of symmetry, create a suitable table of values, and sketch the graph? y=x^2-5x+3 Click here to see answer by stanbon(60778)

 Question 125392: Find the slope of the line passing through the points: (4, 7) and (4, 5). thank you Click here to see answer by iluvbuilding429(41)

 Question 125388: Find the slope of the line through the following pairs of points. (- 3, 5) and (2, 10) thank you Click here to see answer by iluvbuilding429(41)

 Question 125371: I am having a difficult time with this equation and graphing it. y=x^2-4x Click here to see answer by jim_thompson5910(29613)

 Question 125402: A chemist has a 25% and a 50% acid solution. How much of each solution should be used to form 200 mL of a 35% acid solution? please help just one more time lol thank you so much Click here to see answer by josmiceli(10616)

 Question 125399: Jennifer has collected \$4.50 in nickels and dimes. If she has 55 coins, how many of each kind of coin does she have? im confused i just cannot do word problems Click here to see answer by josmiceli(10616)

 Question 125447: 1.) Solve the system. 4x + 3y = 11 3x - 2y= 4 2.) Is this right?: Jennifer has collected \$4.50 in nickels and dimes. If she has 55 coins, how many of each kind of coin does she have? Answer: 35 dimes and 20 nickles. 3.) Solve the following linear inequality graphically. x+ 2y <4 x - y <5 I've solved #2, hopefully it is right. Any help with checking that one and helping with the others would be highly appreciated. Thanks! Click here to see answer by stanbon(60778)

 Question 125462: Would someone please help me with this question? The sinusoid y=3cos(x+3)-2 has a Answer options: a. phase shift of 3 to the right b. phase shift of 3 to the left c. vertical shift up of 2 d. horizontal stretch by factor of 3 I think the answer is b., is this correct or where did I go wrong? Please get back to me as soon as possible, thanks!!!!!! Click here to see answer by jjjjjjjj(1)
 Question 125462: Would someone please help me with this question? The sinusoid y=3cos(x+3)-2 has a Answer options: a. phase shift of 3 to the right b. phase shift of 3 to the left c. vertical shift up of 2 d. horizontal stretch by factor of 3 I think the answer is b., is this correct or where did I go wrong? Please get back to me as soon as possible, thanks!!!!!! Click here to see answer by uma(370)