# Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

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 Algebra: Linear Equations, Graphs, Slope Solvers Lessons Answers archive Quiz In Depth

 Question 66773: Sarah's age exceeds Dana's age by 16 years. Four years ago, Sarah was twice as old as Dana was then. Find the present age of each. Click here to see answer by venugopalramana(3286)

 Question 66775: The sum of Finn's age and Ellen's age is 40 years. Finn's age 10 years from now will be 1 year less than 4 times Ellen's age 6 years ago. Find their present ages. Click here to see answer by venugopalramana(3286)

 Question 66771: The sum of Finn's age and Ellen's age is 40 years. Finn's age 10 years from now will be 1 year less than 4 times Ellen's age 6 years ago. Find their present ages. Click here to see answer by venugopalramana(3286)

 Question 66770: In Yvette's bank, there is \$2.60 in pennies, nickels, and dimes. IN ALL, THERE are 45 coins. If there are twice as many nickles as pennies, how many coins of each kind are there in the bank? Click here to see answer by stanbon(57290)

 Question 66399: Divide 7x^3 - 3x^2 - 4x + 5 by 7x - 1 using long division. Click here to see answer by checkley71(8403)

 Question 66849: Linear? If true,what is the next ordered pair? 1.) X Y 8 28 6 22 4 16 2 10 2.) Let X represent the number of years from now and let Y represent the enrollment capacity. If you were to make a table of values of X any Y with X-values of 0,1,2,3 and 4, which pairs of numbers in the table would be correct? X Y 0 75 1 2,575 2 2,600 3 2,725 4 2,800 Click here to see answer by checkley71(8403)

 Question 66852: 1.)Find the slope of the line containing the indicated points. (0,0) and (3,30) Click here to see answer by checkley71(8403)

 Question 66853: Find the slope of the line containing the indicated points. (-6,-6) and (-3,1) Click here to see answer by stanbon(57290)

 Question 66871: identify the slope (m) and y-intercept (b) for the line that could be graphed for each given linear equation. y+2x=0 Click here to see answer by checkley71(8403)

 Question 66964: Find the slope-intercept form of the line passing through (-4/5, 3/2) and perpendicular to x=-1. Sketch a graph of this line. Click here to see answer by checkley71(8403)

 Question 67040: find the slope and y intercept: 2x - 3y = 6 Click here to see answer by Nate(3500)

 Question 67087: What is the standard form of 1/3y=3/5x-4 and What is the standard form of y= 5/6x + 1/3 Thanks my name is Shanaynay and you are off the chain! Click here to see answer by stanbon(57290)

 Question 67083: Ryan buys a stereo system for \$3,800 for tax purposes, he declares a linear depreciation (loss of value) of \$400 per year. Let Y be the declared value of the computer after "X" years. Find the value of Ryan's stereo after 3.5 years. Click here to see answer by Petredish1(5)

 Question 67085: Write an equation in slope intercept form, y = mx + b, of the line that has a slope of -1/2,and contains the point,(8,1). Click here to see answer by josmiceli(9668)

 Question 67117: L has y-intercept (0, 2) and is perpendicular to the line with equation 2x -3y =6. Click here to see answer by funmath(2925)

 Question 67124: This would be so great if you were able to help me on my homework, I have a ton of questions i need help with but i know the limit is 4 so I'll pick the 4 hardest. Thank you in advance! 1.Write the following equation in slope-intercept form: 5x+2=3y 2.Find the slope of the equation: 5x+6y=30 3.Find the slope bewtween the points: (2,-5) and (-3,-7) 4.Find the slope of the line y = -6x - 3 Click here to see answer by Earlsdon(6287)

 Question 67190: hi my name is audrey birch and i attend finney town high school. i just started going there last week i have a question reguarding to my homework. i ask my parents and they said its been 25 years since they did alegebra. we just started a new assignment at school based on graphing equations from manipulation and iam very confused iam begging you to help me graph each equation on a y and x axis Click here to see answer by josmiceli(9668)

 Question 67258: WRITE THE EQUATION of the line passing throiugh the given points: (-1, 3)and (4, -2) (2, -3) and (2,4) Click here to see answer by stanbon(57290)
 Question 67258: WRITE THE EQUATION of the line passing throiugh the given points: (-1, 3)and (4, -2) (2, -3) and (2,4) Click here to see answer by funmath(2925)

 Question 67222: Dear Sir or Ma'am, My question relates to acreage of a lot. I have a lot that has approximately twelve different measurements on the plot map(In a keystone shape) and I would like to find the exact square footage of the lot and convert that into acres. In addtion, using the same formula to find the exact square footage of future subdivisions of one acre parcels. I sincerely appreciate any assistance you can provide in directing me on how to make the calculation. I have the individual numbers already. Thank you Dan Tackett Click here to see answer by stanbon(57290)

 Question 67267: 3(3x-2) = 5 - 2(2x-3) ------- ------- 10 5 This should read 3(3x-2) over 10 is equal to 5 minus 2(2x-3) over 5. I would appreciate the view of the workings as I need to see where I am going wrong. Click here to see answer by stanbon(57290)

 Question 67328: If a converted score is 84,what was the original score? Click here to see answer by stanbon(57290)

 Question 67294: what is the slope-intercept form of the line that contains the following points: (1, –3) and (3, –5). Click here to see answer by checkley71(8403)

 Question 67289: Find the slope-intercept form of the line that contains the following points: (–6, –6) and (–3, 1). Click here to see answer by checkley71(8403)

 Question 67279: Find the slope of the line passing through the points (-8,-3) and (-2,2) I dont understand how to solve this. Please instruct me on how to solve this thank you Click here to see answer by checkley71(8403)

 Question 67293: Write an equation in slope intercept form, y = mx + b, of the line that has a slope of –2/3, and contains the point, (6, –5). Click here to see answer by checkley71(8403)

 Question 67290: A teacher gives a final exam and the scores range from 40 to 80. The teacher decides to scale the exam in order to make the scores range from 60 to 90. Let x represent the original score and let y represent a converted score. Use the ordered pairs (40, 60) and (80, 90) to write the equation that the teacher will use to scale the exam scores. Click here to see answer by ankor@dixie-net.com(15646)

 Question 67356: Which of the ordered pairs (3,1((0,-4) (-4,0) (-3,-7) are solutions for the equation x-y=4 Please instruct on how to do this problem. Thanks Click here to see answer by checkley71(8403)

 Question 67292: Write an equation in slope intercept form, y = mx + b, of the line that has a slope of 0, and contains the point, (–7, 8). Select the correct equation. Click here to see answer by checkley71(8403)

 Question 67355: If there are 900 people in the town, how many people have cats & dogs. This is 22 %. So how do I figure out this solution? Please help Click here to see answer by checkley71(8403)

 Question 67288: Find the slope-intercept form of the line that contains the following points: (8, –3) and (–8, 3). Click here to see answer by checkley71(8403)