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

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Question 777595: I need to know if this question is identity or contradiction.
-4p-2(3p+5)=-6p+2(p+2)

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Question 777595: I need to know if this question is identity or contradiction.
-4p-2(3p+5)=-6p+2(p+2)

Click here to see answer by MathLover1(20849) About Me 

Question 777620: I need help to find out if this equation is identity or contradiction
2q-3(q-5)=5(q+20-7

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Question 777633: What does y equal if 9y-4=6y+5 ?
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Question 777633: What does y equal if 9y-4=6y+5 ?
Click here to see answer by stanbon(75887) About Me 

Question 777632: 2q-3(q-5)=5(q+2)-7
I need to know if this is identity or contradiction.

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Question 777807: Find the slope and the -y intercept of the line
8x + 3y = 41

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Question 777820: use mathematical induction to prove that
1+r+rkwadraat+r tot die derdemag+...+r tot die mag n-1=1-r tot die mag n gedeel deur 1-r

















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Question 777876: a restaurant sells hamburgers and french fries. one family walks in a buys 4 hamburgers and 3 orders of fries for $10.23. A second family orders 1 hamburger and 5 orders of fries for $8.04. Write and slove a system of linear equations in order to find the cost of a hamburger and order of fries
Click here to see answer by mananth(16946) About Me 

Question 777884: Write an equation of a line that passes through the points (-2,1) and it is parallel to line 4X+2Y=-1
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Question 777884: Write an equation of a line that passes through the points (-2,1) and it is parallel to line 4X+2Y=-1
Click here to see answer by Cromlix(4381) About Me 

Question 777933: y-intercept 8; parallel to the line 4x+5x+4=0
i don't know how to do this one.

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Question 777919: Use foil method to find (5x+4)(4x-1)
Click here to see answer by jim_thompson5910(35256) About Me 

Question 778032: If I walk 15 miles west and 8 miles south , how far am I from starting point ?
Click here to see answer by jim_thompson5910(35256) About Me 
Question 778032: If I walk 15 miles west and 8 miles south , how far am I from starting point ?
Click here to see answer by psbhowmick(878) About Me 

Question 778061: What is the slope of the line parallel to y=4x+1 That Goes though The point 2,2

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Question 778079: Graph each of the following on the coordinate plane.
f(x)=2[[x]] Please help me understand how to do this so that I may help my child.

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Question 778151: I need to know if this is identity or contradication?
2q - 3 ( q - 5 ) = 5 ( q + 2 ) - 7

Click here to see answer by jim_thompson5910(35256) About Me 

Question 778216: I need to know if this problem is identity or contradiction.
4 + 4 (n + 2) = 3n - 2 (n - 5)

Click here to see answer by tommyt3rd(5050) About Me 

Question 778005: are any of these liner or not and why?
2x+3=1
2x=5
6x^2-3=4

Click here to see answer by KMST(5328) About Me 

Question 778376: for the points (1,4) and (-5,-1) find the distance and midpoint.
Click here to see answer by negative49(13) About Me 

Question 778445: I need to know if this is identity or contradiction.
x ( x - 3 ) = x^2 - 2x + 1 - ( 5 + x )

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Question 778441: Find the slope of the line 3x-2y=12
Express your answer as a numeric value, using decimal notation.

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Question 778496: Please help me solve this 28-4y=0
Click here to see answer by negative49(13) About Me 

Question 778566: Q1. Top toys is planning a new radio and TV advertising campaign. A radio commercial costs Rs 3000 and TV ad costs Rs 7000. A total budget of Rs 100000 is allocated to the campaign. How ever to ensure that each medium will have at least one radio commercial and one TV ad, the most that can be allotted to either medium can not exceed 80% of the total budget. It is estimated that the first radio commercial will reach 5000 people , with each additional commercial reaching only 2000 new ones. For TV, the first ad will reach 4500 people and each additional ad an additional 3000. The problem is to find how should the budgeted amount be allocated between radio and TV.
(a) Formulate this problem as Linear programming problem. (b) Solve the problem using graphical method.

Click here to see answer by psbhowmick(878) About Me 

Question 778592: I need help on solving the equation for the indicated variable!

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Question 778666: Graph the first-degree inequality in two unknowns.
y ≥ 0

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Question 778682: What is the slope of the line represented by the equation below?
2y = x +3
1
1/2
3/2
3

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Question 778753: Is 7x^2+3x=25 a linear equation
Click here to see answer by Alan3354(69443) About Me 

Question 778770: write the equation of a line parallel to the given line but passing through the given point. Show work
y=-x+3;(-2,-2)

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Question 778770: write the equation of a line parallel to the given line but passing through the given point. Show work
y=-x+3;(-2,-2)

Click here to see answer by stanbon(75887) About Me 

Question 778923: The line with equation 3x-2y=10 passes through the point (3,k). Find the value of k.
Thank you for any help you may be able to give!

Click here to see answer by MathTherapy(10552) About Me 

Question 778970: How to solve for the indicated variable if the line through the given points has the given slope
Click here to see answer by Alan3354(69443) About Me 
Question 778970: How to solve for the indicated variable if the line through the given points has the given slope
Click here to see answer by oscargut(2103) About Me 

Question 778969: Please help me solve this equation: -1/6(x-18)+1/3(x+3)=x-26

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Question 778969: Please help me solve this equation: -1/6(x-18)+1/3(x+3)=x-26

Click here to see answer by rothauserc(4718) About Me 

Question 778977: How to you write y= -3x+4 in standard forms. Identify A, B, C
Click here to see answer by oscargut(2103) About Me 

Question 778986: how to find LCD and solve (1/2)+(2/X)=(3/4)
Click here to see answer by jim_thompson5910(35256) About Me 

Question 779028: -2x/3 + 1 = 5/9
Click here to see answer by waynest(281) About Me 

Question 779033: Could you help me solve a/4 - a/3 = -1/2
Click here to see answer by jim_thompson5910(35256) About Me 
Question 779033: Could you help me solve a/4 - a/3 = -1/2
Click here to see answer by waynest(281) About Me 

Question 779025: 1/5 x + 3/2 = 3/10
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Question 779083: 3x-y=4 find the slope?
3x-1/5y=-4 Find the slop
2/3y=-7/4x find the slope

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Question 779119: 7a=7-b
7a=6-b
Use the method of substitution to solve the system of linear equations.

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Question 779126: Write equations of the lines through the given point parallel to and perpendicular to the given line.
y + 1 = 0, (−9, 0)
(a) parallel to the given line


(b) perpendicular to the given line

Click here to see answer by mananth(16946) 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, 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, 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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