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

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Question 344475: Please help me solve this equation: Last year the promoter of an outdoor music festival charged patrons $45 and had a total attendance of 12 500 people. This year the promoter charged $50 and had a total attendance of 10 900 people.
(a) Assuming there is a linear relationship between the number N of people attending and the price P of the ticket, find the linear equation relating N and P.
(b) If the promoter were to price the tickets at $35 next year, how many people would be expected to attend?
Click here to see answer by stanbon(75887)

Question 344486: I need help writing a problem.
write a problem that can be solved using the inequality x + o.5x < less than or equal to 60
Click here to see answer by ewatrrr(24785)

Question 344529: how do i graph 2x=5y
Click here to see answer by JBarnum(2146)

Question 344529: how do i graph 2x=5y
Click here to see answer by Fombitz(32388)

Question 344549: I am having serous trouble with writing equations. Please help me with this one?
Imagine you want to cover the backyard with decorative rock and plant some trees. You need 30 tons of rock to cover the area. If each ton costs $60 and each tree is $84, what is the maximum number of trees you can buy with a budget of $2,500? Write an inequality that illustrates the problem
Click here to see answer by vleith(2983)

Question 344634: Given the equation 2x-5y = 0, which of the following ordered pairs are solutions?
(-2,0) (-10,6) (5,0)

Click here to see answer by crbarnett8(3)

Question 344626: how to solve the equation for "y"?
y-4=-10/13x-50/13
Click here to see answer by Fombitz(32388)

Question 344576: what does the graph of y=7x-7(16/11+x) look like?
Click here to see answer by Fombitz(32388)

Question 344656: i'm stuck with this homework...i never learn this in 6th grade but my 8th grade teacher said that we did. I know we never did this maybe some other schools did except my school...can you guys help me how to solve this problem.It's Distance=rate*time i think..

Andy's average driving speed for a 4-hour trip was 45 miles per hour. During the first 3 hours he drove 40 miles per hour. What was his average speed for the last hour of his trip?
Click here to see answer by Fombitz(32388)

Question 344887: (x-(-1+2i)(x-(-1-2i)
Click here to see answer by Fombitz(32388)

Question 344971: How do you solve this problem.Can you please do it by step so i can get the answer.Thanks.
Here's my question...
Which point lies on the line defined by 3x+6y=2
here's the multiple choice.
Is it A) (0,2)
B) (0,6
C) (1,-1/6)
D) (1,-1/3)
Click here to see answer by Fombitz(32388)

Question 345142: I need to graph the equation.
5x - 15 = 3y
Click here to see answer by jim_thompson5910(35256)

Question 345297: How do you graph and solve 4r-9>7?
Click here to see answer by jim_thompson5910(35256)

Question 345297: How do you graph and solve 4r-9>7?
Click here to see answer by rfer(16322)

Question 345348: Solve Inequality
Express the answer in terms of intervals, if possible.
(5x + 1)(8 - 16x) > 0
Click here to see answer by haileytucki(390)

Question 345348: Solve Inequality
Express the answer in terms of intervals, if possible.
(5x + 1)(8 - 16x) > 0
Click here to see answer by MathTherapy(10551)

Question 345390: whaat do you know about the the value of x or the value of y if xy=0
Click here to see answer by haileytucki(390)

Question 345387: graph 3x^2 -x -7 =0
Click here to see answer by ichudov(507)

Question 345387: graph 3x^2 -x -7 =0
Click here to see answer by ewatrrr(24785)

Question 345419: let f(x)=-1/2x^2+2x+3
find and graph:
a) the x-coordinate of vertex
b) the y-coordinate of vertex
c) the axis of symmetry
d) the max/min value of f and which value it is
e) the x value that gives max/min value of f
Click here to see answer by Fombitz(32388)

Question 345573: Graph y=1/3x - no other information just that. While I determined the Y intercept is (0,0)how do I determine what 2 plots on the graph to use?
Click here to see answer by ewatrrr(24785)

Question 345579: Determine the point-slope form of the line and the slope-intercept form of the line with x-intercept = 4 and y-intercept = -2

Click here to see answer by Alan3354(69443)

Question 345578: Determine the point-slope form of the line and the slope-intercept form of the line passing through the pionts (-2,-5) and (6,-5).

Click here to see answer by ewatrrr(24785)

Question 345686: Find the formula for a line that has a slope of -4 and passes through the point (-3,-7).
Click here to see answer by Fombitz(32388)

Question 345748: alright so I'm suposed to graph g(x) = 45+9x and i know how to do a problem where say g(5) and then they go 4+g = 9 but im not sure how you would graph it, I'm not sure this is in the right topic, but i could really use some help! so if you awnser this thank you!
Click here to see answer by solver91311(24713)

Question 345790: How do I find the equation of the line passing through (2, -3) and (4,0). And then how do I put it into standard form?
Click here to see answer by stanbon(75887)

Question 315548: 3. The Bluegrass Distillery produces custom-blended whiskey. A particular blend consists of rye and bourbon whiskey. The company has received an order for a minimum of 400 gallons of the custom blend. The customer specified that the order must contain at least 40% rye and not more than 250 gallons of bourbon. The customer also specified that the blend should be mixed in the ration of two parts rye to one part bourbon. The distillery can produce 500 gallons per week, regardless of the blend. The production manager wants to complete the order in 1 week. The blend is sold for $5 per gallon.
The distillery company�s cost per gallon is $2 for rye and $1 for bourbon. The company wants to determine the blend mix that will meet customer requirements and maximize profits.
a. Formulate a linear programming model for this problem.
b. Provide a screen shot of the QM for Windows or Excel QM with the solutions and the graphical presentation of the model.
Click here to see answer by frnky4fngrs(1)

Question 345807: Determine the point-slope form of the line and the slope-intercept form of the line with Slope = -3/5 and passing through the piont (10,-4)
Click here to see answer by checkley77(12844)

Question 345864: im suppose to write an equation of the form y=mx+b for a graph model. one point on the graph model is National CITY center (number of stories) 23, (height) 301.
Click here to see answer by scott8148(6628)

Question 345852: For what values of x is the area of the rectangle greater than the perimeter?
(Rectangle has a height of 7 and a width of x+2) Note: the is only a 2D shape
I have tried doing this..
Simplifying to x+18
Click here to see answer by scott8148(6628)

Question 345691: find the slope for a line that passes through the points (-1,6) and (4,10).
Click here to see answer by Fombitz(32388)

Question 346099: find the x-intercept: -2x^2-16x+24
Click here to see answer by Fombitz(32388)

Question 346200: Write the verbal sentence as an equation or an inequality.
Four is greater than six times a number t.

Click here to see answer by ewatrrr(24785)

Question 346357: How do i do a problem like 6w+4>or=5w+4?
Click here to see answer by checkley77(12844)

Question 346520: graph this system: 2x + y > 2
x - y < 1
Click here to see answer by mananth(16946)

Question 346605: WHAT IS Y=1/4X
Click here to see answer by Alan3354(69443)

Question 346728: graph the linear inequality for 2x less than 3y + 6
Click here to see answer by Fombitz(32388)

Question 346748: solve each system by graphing -5x+y and x+3y=21
Click here to see answer by solver91311(24713)

Question 346866: Find the vertex, the line of symmetry,and the maximum or minimum value of f(x). Graph the fuction. f(x)=1/2(x+2)^2+8 Please help.
Click here to see answer by scott8148(6628)

Question 346945: what is the x and y intercept of -3x+8y=48
Click here to see answer by nyc_function(2741)

Question 346945: what is the x and y intercept of -3x+8y=48
Click here to see answer by mananth(16946)

Question 346926: graph each set number x<5
Click here to see answer by haileytucki(390)

Question 346174: 4x+6y=7
Click here to see answer by nyc_function(2741)

Question 347000: NEGATIVE EIGHT X IS GREATER THAN OR EQUAL TO SIXTEEN. WHEN I DID IT I GOT ONE? BUT I NO THATS NOT RIGHT
Click here to see answer by haileytucki(390)

Question 347159: graph -y>3x+2
Click here to see answer by stanbon(75887)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975