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

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Question 4522: Please help solve for 'x' 4x^2=5x-7<12x^2+16x-10
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Question 4530: Solve for X
4x^2+5x-7<12x^2+16x-10

Click here to see answer by pushpaharan(47) About Me 

Question 4459: How do I solve?
x+2/4 = x+1/2
Thank you!

Click here to see answer by pushpaharan(47) About Me 

Question 4442: this is grade 10 applied math and I am finding very hard to answer out these questions:
1)4y-15=-10
2)3-4d=13
3)8=9x-7

Click here to see answer by pushpaharan(47) About Me 
Question 4442: this is grade 10 applied math and I am finding very hard to answer out these questions:
1)4y-15=-10
2)3-4d=13
3)8=9x-7

Click here to see answer by rapaljer(4671) About Me 

Question 4543: Derive a set of inequalities that describes the region. The picture is of a parallelogram with points (1,1), (7,2), (3,6), and (9,7). Thanks, Julie
Click here to see answer by longjonsilver(2297) About Me 

Question 4535: How do you solve for linear equations with this problem: 4x+3y=5
-3x-6y=0

Click here to see answer by glitzgirl_14(11) About Me 

Question 4615: Graph:
y= -2x + 3


Click here to see answer by longjonsilver(2297) About Me 

Question 4614: please explain how the ff linear equation y=2+2x and we substitute different values of x,we will find the ff values of y:fory=2+2xwhen x=-3,y=-4
x=-2,y=-2
x=-1,y=2
x=1,y=4
x=2,y=6
x=3,y=8
please explain how i would plot x and y values a gragh,i am so confused.
thank you
Kind regards
leanne

Click here to see answer by longjonsilver(2297) About Me 

Question 4616: Graph:
y = 3/2x

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Question 4702: what is the equation of the line passin through the point (4,2)with slope, m=0?
Click here to see answer by longjonsilver(2297) About Me 

Question 4715: Find two complex numbers that have a sum or -6 and a product of 90
Click here to see answer by khwang(438) About Me 

Question 4736: Find the inverse of the given function. f(x) = squareroot of (x-10).
Is there a solver for inverse functions?
Thanks

Click here to see answer by rapaljer(4671) About Me 

Question 4760: How do I solve this?
Creating an inconsistent system of linear equations
Find the value of "d" such that the system of equations
dx-15y=-10
4x+6y=-13
does not have a solution.

Click here to see answer by rapaljer(4671) About Me 

Question 4776: 1.) when solving a linear inequality, why do you always solve for y?
2.) when graphing a linear inequality, how do you know if the inequality represents the area above or below the line?
3.) why is it true that any two points satisfying a linear equation will give you the same graph for the line represented by the equation?

Click here to see answer by longjonsilver(2297) About Me 

Question 4780: When graphing a linear inequality, how do you know if the inequality represents the area above the line?
Click here to see answer by rapaljer(4671) About Me 

Question 4731: how do you work out square route of a number
Click here to see answer by rapaljer(4671) About Me 

Question 4798: hi I have a question regarding the folowing equations...I don't need the answers, but each time I try to solve using elimination, I am not getting an answer...I just need to know if there *is* an answer of if he wrote it down wrong!

11.2x=.4y+21.16
6x-28.87=7.2y


Thanks!

Click here to see answer by longjonsilver(2297) About Me 

Question 4778: x-2y+4<>o
<> I mean is less than equal to, I can't find the button. I do not understand how to do these so if anyone could help me step by step I would greatly appreciate it. Thank you

Click here to see answer by longjonsilver(2297) About Me 

Question 4810: how do I find the following solution:
(4y³+3y²+2)/(y+1)

Click here to see answer by longjonsilver(2297) About Me 

Question 4822: what is the solution of x+y=4 and 2x-y=-5
Click here to see answer by longjonsilver(2297) About Me 
Question 4822: what is the solution of x+y=4 and 2x-y=-5
Click here to see answer by Abbey(339) About Me 

Question 4842: solve by using the addition method
x-y=100
0.20x+0.06y=150

Click here to see answer by Abbey(339) About Me 

Question 4841: Solve the system by the addition method
x/3-y/2=-5/6
x/5-y/3=-3/5

Click here to see answer by rapaljer(4671) About Me 

Question 4718: "solve for x"
1) 4x^2+12x+9=0
2) 7(x+2)^2=12
3) 2x^2-8x+5=0
4) (2x-5)/(x-3)=(4x+1)/(2x)
p.s. thanks

Click here to see answer by Abbey(339) About Me 

Question 4850: Six apples and three oranges cost $3.36. Two apples and five oranges cost $3.04. Find the cost of an apple and the cost of an orange.
Click here to see answer by rapaljer(4671) About Me 
Question 4850: Six apples and three oranges cost $3.36. Two apples and five oranges cost $3.04. Find the cost of an apple and the cost of an orange.
Click here to see answer by Abbey(339) About Me 

Question 4848: the perimeter of a rectangle is 160 ft. One fourth the length is the same as twice the width. Find the dimensions of the rectangle.
Click here to see answer by Abbey(339) About Me 

Question 4853: In lewis Carrol's "Through the Looking Glass," Tweedledum says to Tweedledee, "The sum of your weight and twice mine is 361 pounds." Then Tweedledee says to Tweedledum, "Contrariwise, the sum of your weight and twice mine is 362 pounds." Find the weight of Tweedledum and Tweedledee.
Click here to see answer by Earlsdon(6294) About Me 
Question 4853: In lewis Carrol's "Through the Looking Glass," Tweedledum says to Tweedledee, "The sum of your weight and twice mine is 361 pounds." Then Tweedledee says to Tweedledum, "Contrariwise, the sum of your weight and twice mine is 362 pounds." Find the weight of Tweedledum and Tweedledee.
Click here to see answer by Abbey(339) About Me 

Question 4854: Fenton Rent-A-Truck charges $32.85 plus $.49 per mile for a certain truck. Handy Truck Rents charges $31.95 plus $.48 for the same truck. For what mileage is the cost the same?
Click here to see answer by rapaljer(4671) About Me 

Question 4859: could you please help me solve for x in this equation:
2x+y=5
x-y=1
could you by any chance please explain in the easiest way possible i tried the solver but i wasnt understanding the solution very well so if you could help me out step by step that would be great thank you.

Click here to see answer by Abbey(339) About Me 

Question 4851: The booster club voted on where they would go for their annual trip. A majority of the club voted to go to a baseball game. They bought 29 tickets. Some of the tickets cost $21 each and some cost $27 each. The total cost of all the tickets was $675. How many tickets of each price did they buy?
Click here to see answer by Abbey(339) About Me 

Question 4864: Can anyone please help me here
Lets assume that the combines population of Anchorage and Tampa was 25,000 in 1995. By 1960 the population of Anchorage had increased by 10% while Tampa had increased by 9%. If the total population increased by 2380 poeple, then what was the population of each city in 1995.

Click here to see answer by jainenderkapoor(61) About Me 

Question 4887: Find the equation of each line. Write the answer in standard form using only integers.
The problem is:
The line through the points (-1,-3) and (2, -1).
Please help!

Click here to see answer by longjonsilver(2297) About Me 

Question 4870: Please help with solving the systems of equations by substitution and elimination. Once I started working with solving this problem in the substituation method, I ran into fractions. Is there a way to eliminate fractions early on?
4x + 7y =18
5x - 3y = 2
I solved for x by getting x = -7y/4 + 18/4
Thanks!!

Click here to see answer by longjonsilver(2297) About Me 

Question 4847: Tyrone is twice as old as his daughter. In six years Tyrone's age will be three times what his daughters age was six years ago. How old are they at present?
Click here to see answer by longjonsilver(2297) About Me 

Question 4846: four oranges and five apples cost $3.56 three oranges and four apples cost $2.76. find the cost of an orange and the cost of an apple.
Click here to see answer by Abbey(339) About Me 

Question 4839: Let's assume that the combined population of Anchorage and Tampa was 25,000 in 1995. By 1960 the population of Anchorage had increased by 10% while Tampa had increased by 9%. If the total population increased by 2380 people, then what was the population of each city in 1955.
Click here to see answer by Abbey(339) About Me 

Question 4914: -5y + 6x - 11 = 0
Click here to see answer by Abbey(339) About Me 

Question 4913: 6x + y = 12
Click here to see answer by Abbey(339) About Me 

Question 4912: A collection of nickels, dimes and quarters has a value of $7.50. If there are 3 fewer dimes than nickels and twice as many quarters as nickels, how many dimes are there?
Click here to see answer by Abbey(339) About Me 

Question 4849: Safety Rent-A-truck rents a truck at a daily rate of $41.95 plus $.29 per mile. City Rentals rents the same size truck for $38.95 plus $.31 per mile. For what mileage is the cost the same?
Click here to see answer by Abbey(339) About Me 

Question 4852: Lorena bought 10 packs of styrofoam cups for the graduation dance. A pack of fifty 12-oz cups costs $1.80 and a pack of fifty 16-oz cups costs $2.40. Lorena paid a total of $21.60 including tax. How many packs of each size cup did she buy?
Click here to see answer by lotanez(23) About Me 

Question 4939: determine f-1 for f(x) = cubed root of(x+5)
(in f -1) is not f minus 1 or the negative 1 power of f)

Click here to see answer by rapaljer(4671) About Me 

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, 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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, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045