# 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 300394: graph the equation 8x+4y=20 Click here to see answer by Fombitz(13828)

 Question 300471: Hi! Can you please graph the inequality on a coordinate plane for me please? 9x+8y > 80 Thanks! Click here to see answer by checkley77(12569)

 Question 300655: y=2x-5 how would i graph this line Click here to see answer by Alan3354(30993)

 Question 300710: what is the slope of the line with the equation 2x + 3y + 6 = 0 Click here to see answer by Fombitz(13828)

 Question 300897: 4(x+6)=(4x+24) Click here to see answer by Alan3354(30993)

 Question 301049: Alexis works part-time at a clothing store. She is paid an hourly rate of \$10.25/h and also earns a commission of 3.5% of her weekly sales. Alexis works at the store 12 hours a week. Is Alexis's goal is to earn \$150 every week, what do her total sales need to be? Click here to see answer by checkley77(12569)

 Question 301042: A student council collecs aluminum pop tabs to raise money to purchase a wheelchair. A company buys the pop tabs for \$0.88 per kilogram. If 1267 pop tabs have a mass of one pound, how many pop tabs are needed to purchase a wheelchair worth \$1500? Click here to see answer by checkley77(12569)

 Question 301076: how do you solve y=2x and y=x+1 Click here to see answer by solver91311(16872)

 Question 301032: Juan belongs to a CD club that sells CDs for \$11.44 each before tax. His first shipment of CDs costs \$90.49 including 13% tax. How many CDs are in his first shipment? Click here to see answer by checkley77(12569)

 Question 301188: I have to graph this 2x+3y=34 and 25x+30y=350 as well as work it out. All I got out of this was y=-5/6x+35/3 and if that is right for the 2nd equation I don't know how to graph it and 34/3 and -2/3 for the first equation and if thats right I don't know how to graph it. Please help me I need this done in a couple days. I appreciate all of your help and support. Click here to see answer by richwmiller(9135)
 Question 301188: I have to graph this 2x+3y=34 and 25x+30y=350 as well as work it out. All I got out of this was y=-5/6x+35/3 and if that is right for the 2nd equation I don't know how to graph it and 34/3 and -2/3 for the first equation and if thats right I don't know how to graph it. Please help me I need this done in a couple days. I appreciate all of your help and support. Click here to see answer by stanbon(57290)

 Question 301216: Write the equation of the line passing through each of the given pairs of points. Write your result in slope-intercept form, where possible. (-4, 1) and (3, 1) Click here to see answer by checkley77(12569)

 Question 301285: what is the slope of a line that goes through the points (2,5) and (8,6) Click here to see answer by checkley77(12569)

 Question 301316: How do you solve: using substitution 5x-2y=-7 8=y-4x Click here to see answer by richwmiller(9135)
 Question 301316: How do you solve: using substitution 5x-2y=-7 8=y-4x Click here to see answer by Stitch(352)

 Question 301352: How do you find the slope, if it exists: x = -7 Click here to see answer by Fombitz(13828)
 Question 301352: How do you find the slope, if it exists: x = -7 Click here to see answer by Alan3354(30993)

 Question 301408: Write the slope-intercept form of an equation of the line that passes through the given point (4,-1) and is perpendicular to the graph of 7x-2y+3 (show work) Click here to see answer by solver91311(16872)

 Question 301508: A student council collects aluminum pop tabs to raise money to purchase a wheelchair. A company buys the pop tabs for \$0.88 per kilogram. If 1267 pop tabs have a mass of one pound, how many pop tabs are needed to purchase a wheelchair worth \$1500? Hint: 1 pound = 2 kilograms Click here to see answer by richwmiller(9135)

 Question 301509: A student council collecs aluminum pop tabs to raise money to purchase a wheelchair. A company buys the pop tabs for \$0.88 per kilogram. If 1267 pop tabs have a mass of one pound, how many pop tabs are needed to purchase a wheelchair worth \$1500? Hint: 1 kilogram = 2.2 pounds Click here to see answer by richwmiller(9135)

 Question 301416: How would I graph c=30t+20? and also Media services charge \$20 for a phone and \$30/month for the economy plan, the equation c=30t+20 describes the total cost, c, of operating a media services phone for t months.what is total cost for 3 months of service? and also if a customer has \$90 how many months of services can they get? Thanks so much Click here to see answer by josmiceli(9668)

 Question 301520: i need to find the slope of a line without graphing and i need to write the equation i have 3 problems 1. (11,-2) and (-7,5) 2.(9,2) and (15,4) 3.(3,-7) and (13,8) i need to write the equation as y= mx + or - B and i need it now like in 30 minutes maybe Click here to see answer by Alan3354(30993)

 Question 301581: how do you graph x+4y=5 Click here to see answer by richwmiller(9135)

 Question 301565: X-4Y=-8 3X+Y=15 X= Solve the system below by graphing. Note that you are only asked for one of the coordinates of the solution! Type in your numerical answer only; do not type any words or letters with your answer. Click here to see answer by richwmiller(9135)

 Question 301601: how many liters of sprite must be added to 8 liters of a mixture of 30% sprite and 70% lime juice to obtain a mixture which is 40% sprite and 60% lime juice. All percentages are by volume Click here to see answer by josmiceli(9668)

 Question 301650: Give some ideas about linear equations whose graphs do not cross the x-axis and for others that do not cross the y-axis. Click here to see answer by richwmiller(9135)

 Question 301675: Find the slope of the line whose equation is 5y = x - 3 Click here to see answer by richwmiller(9135)

 Question 301692: please help me solve this equation. My email address is hgbeck@aol.com. Thank you so much. S = -16t^2 + v*t + 6 Click here to see answer by Alan3354(30993)
 Question 301692: please help me solve this equation. My email address is hgbeck@aol.com. Thank you so much. S = -16t^2 + v*t + 6 Click here to see answer by Earlsdon(6287)

 Question 301717: the line passing through (7,y) and (1,0) is parallel to the line joining (4,4) and (-2,1) find y Click here to see answer by richwmiller(9135)

 Question 301729: 1)Solve the equation, using the domain of x = {-1, 0, 2}. Write your solutions as a set of ordered pairs. 2x + 3y = 7 2)Give the range of x - 2y = 0 for the domain {-1, 0, 4}. Click here to see answer by JBarnum(2044)

 Question 301748: Find an equation of the line that contains the given point and is parallel to the given line: 2x-y=5, (-3,-8) Click here to see answer by richwmiller(9135)
 Question 301748: Find an equation of the line that contains the given point and is parallel to the given line: 2x-y=5, (-3,-8) Click here to see answer by stanbon(57290)

 Question 301750: Solve each systen of equations by graphing. X+y=4 x-y=2 Click here to see answer by richwmiller(9135)
 Question 301750: Solve each systen of equations by graphing. X+y=4 x-y=2 Click here to see answer by Fombitz(13828)

 Question 301754: Solve using the elimination method. x-y=3 x+y=13 Click here to see answer by richwmiller(9135)

 Question 301796: Why is the graph of x=4 on a vertical line? Click here to see answer by Alan3354(30993)

 Question 301841: solve using the elimination method. -x-y=3 2x-y=-3 Click here to see answer by mananth(12270)

 Question 301840: solve using the elimination method. 8x-5y=-9 3x+5y=-2 Click here to see answer by mananth(12270)

 Question 301855: solve using the elimination method 8x-3y=-6 Click here to see answer by richwmiller(9135)

 Question 301850: solve using the elimination method 8x-3y=-6 Click here to see answer by richwmiller(9135)

 Question 301919: The following is an example of a linear graph. A scuba diver is 400 ft. below sea level and rising at the rate of 4 ft every 3 seconds. Write an equation to represent the depth of the diver (letting y=0 represent the water surface). Can any one help me to translate that in to equation.. Thanks Click here to see answer by nerdybill(6957)

 Question 301979: how can i find the linear function which has the given slope and contains the given points example 1,-2 , m = -4 Click here to see answer by london maths tutor(243)

 Question 301983: What is the slope of any line perpendicular to the line through points (-2,3) and (4,5)? Click here to see answer by Alan3354(30993)
 Question 301983: What is the slope of any line perpendicular to the line through points (-2,3) and (4,5)? Click here to see answer by london maths tutor(243)

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