Questions on Algebra: Systems of Linear Equations answered by real tutors!

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Question 1061444: y=3x−7
Complete the missing value in the solution to the equation.
(1,________)

Click here to see answer by josgarithmetic(39617) About Me 

Question 1061519: x+y=3
-3x-3y=3
Graph the System of Equations and write the solution as an Ordered Pair

Click here to see answer by ikleyn(52782) About Me 

Question 1061687: the monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The monthly cost for
55 minutes of calls is $17.32 and the monthly cost for 89 minutes is 20.38 What is the monthly cost for 65 minutes of calls?

Click here to see answer by josgarithmetic(39617) About Me 

Question 1061810: 4x+7y=29
5x+8y=34
Elimination method

Click here to see answer by Boreal(15235) About Me 

Question 1061813: Find the values of x and y that minimize the objective function
C=2x + 3y for these constraints
y>=x
x+y<=32
x>= 5, y >= 3
A. C = 91 for (5,27)
B. C = 80 for (16,16)
C. C = 26 for (6,8)
D. C = 25 for (5,5)

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

Question 1061822: what is the equation for the line (0,1) (4,-1) in slope intercept form

Click here to see answer by Boreal(15235) About Me 

Question 1061936: A website allows users to download individual songs or an entire album. All individual songs cost the same to download, and all albums cost the same to download. Ryan pays $14.95 to download 5 individual songs and 1 album. Seth pays $22.95 to download 3 individual songs and 2 albums. How much does the website charge to download a song? An entire album?
Click here to see answer by Cromlix(4381) About Me 

Question 1062042: -3x+y=-3 4x+2y=14 solved in substitution



Click here to see answer by Alan3354(69443) About Me 
Question 1062042: -3x+y=-3 4x+2y=14 solved in substitution



Click here to see answer by addingup(3677) About Me 

Question 1062048: write an equation for a line parallel to y= -5x + 1 and passes through the point (4,-22)

Click here to see answer by Boreal(15235) About Me 

Question 1062050: How many solutions does the system have?
x = -4y + 4
2x + 8y = 8

Click here to see answer by math_helper(2461) About Me 

Question 1062098: A total of
596
tickets were sold for the school play. They were either adult tickets or student tickets. There were
54
fewer student tickets sold than adult tickets. How many adult tickets were sold?

Click here to see answer by math_helper(2461) About Me 
Question 1062098: A total of
596
tickets were sold for the school play. They were either adult tickets or student tickets. There were
54
fewer student tickets sold than adult tickets. How many adult tickets were sold?

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

Question 1062101: Four-fifth of a number is 10 more then the two third of number.find the number

Click here to see answer by Boreal(15235) About Me 

Question 1062160: A line passes through the point (-6,6) and (-6,2). In two complete sentences, explain why it is not possible to write the equation of the given line in the traditional version of the point slope form of a line.
Click here to see answer by math_helper(2461) About Me 

Question 1062203: Write the point slope form of the equation of the horizontal line that passes through the point (2,1)
Click here to see answer by ikleyn(52782) About Me 
Question 1062203: Write the point slope form of the equation of the horizontal line that passes through the point (2,1)
Click here to see answer by Edwin McCravy(20056) About Me 

Question 1062202: Write the point slope form of the equation of the line that passes through the origin and has a slope of 2.
Click here to see answer by ikleyn(52782) About Me 

Question 1062201: Write the point-slope form of the equation of the line that passes through the point (1,3) and has a slope of 2.
Click here to see answer by ikleyn(52782) About Me 

Question 1062209: Write the point slope form of the equation of the line that passes through the points (5,-9) and (-6,1)
Click here to see answer by stanbon(75887) About Me 

Question 1062208: Write the point slope form of the equation of the line that passes through the points (-8,2) and (1,-4)
Click here to see answer by math_helper(2461) About Me 

Question 1062214: Could you please help me. What is the solution of the equation 2(x+2)^2-4=28 when solved for x.
Click here to see answer by math_helper(2461) About Me 
Question 1062214: Could you please help me. What is the solution of the equation 2(x+2)^2-4=28 when solved for x.
Click here to see answer by ikleyn(52782) About Me 
Question 1062214: Could you please help me. What is the solution of the equation 2(x+2)^2-4=28 when solved for x.
Click here to see answer by MathTherapy(10552) About Me 

Question 1062206: Write the point slope of the equation of the line that passes through the points (-3,5) and (-1,4)
Click here to see answer by Alan3354(69443) About Me 

Question 1062200: Write the point slope form of the equation of the line that passes through the points (-3,5) and (-1,4)
Click here to see answer by Alan3354(69443) About Me 
Question 1062200: Write the point slope form of the equation of the line that passes through the points (-3,5) and (-1,4)
Click here to see answer by Edwin McCravy(20056) About Me 

Question 1062221: Write the point slope form of the equation of the line that passes through the point (-1,5) and has a slope of -1
Click here to see answer by rothauserc(4718) About Me 

Question 1062220: Write the point slope form of the equation of the line that passes through the points (6,-9) and (7, 1).
Click here to see answer by woodychuck0022(1) About Me 
Question 1062220: Write the point slope form of the equation of the line that passes through the points (6,-9) and (7, 1).
Click here to see answer by rothauserc(4718) About Me 

Question 1062243: Could you please help me. The expression 15-3[2+6(-3)] simplifies to what?
Click here to see answer by Edwin McCravy(20056) About Me 

Question 1061889: Hello,
I need help with the following problem:
Simba lives in Kenya and he is applying for a microcredit loan to start a street food
business Slimy Yet Satisfying. He is taking out a 40,000 Kenyan Shilling loan (about
$570) and will have a 30,000 Kenyan Shilling monthly credit line. Here is a link to a screenshot of the problem: https://gm1.ggpht.com/rWDVNb8mH5guofMCUPDbLpixhrTmP8k1povE0GG3sCL1pGwg7NK_r0MyoNGWwSu_3NzIaZW4-aslP7Gjh8aA3T-Mx6BNJ6lXSl8WFWUHlrV9t38UvkDus9YBFhYWUKXRT_2oaw1fxaz83jKoWSgjQcixQlc89ZER-fmfl4ZOKi94FxbbpQwNZ2u9-qoSasKloO-8rVQUO9PCKRj1nkyHyIitYBJJ4staQbrrZqbp9c8GD4yR2NbjaAwPa32tcOAyKp-Z8nmDP2w8R_Vppsjm00yTd6nsmO9P_fTedPQh3ZtJefguW_QBrlyGqSHnFqPFJUmT2Cvi3NwTykwwM6NzvV1CLZZQu-YsA2RQs1yDLBhfaGHQyoONtawv-EB0RwRf-SoCSDJcFqQjH4XhdEfgUpUWbKQmIXZbHD5f3y-m7Ib7QB40bIOUNfhQ2LhnkpMg1hKRGZMT9qxRsVpgUvCL1N2EKG2UHOiTgvWDgna_DycRlYv6IT_1XGOkgs-iE6JeiZ8RPyABqd11BwyvPSttA-mQujvtP-iFVgCLaokpR2e4c6_xKlStMl4EL3zHinW5GQLdyipwvD4dJHupaCYydeQjhK1hYHUvJbEGzyUVR78b9nioCAhSvuVF-2MJDuniwUWspfOu3DLhLNXz9VN-qbYcLoOCQDkLgutyaYH6VSuPMixshAu4TWHsRpjrKIrMTBDXylajGz3NFg=w1440-h803-l75-ft
Ignore the "sample" watermark on it. Please show me the work for this problem.
Thank you,
Nicole

Click here to see answer by Alan3354(69443) About Me 

Question 1062448: Please help me solve this problem.
Determine all the value of k such that the following system of linear equations has (i) Unique solution (ii) No solution and (iii) More than one solutions.
kx+y+z=1
x+ky+z=1
z+y+kz=1
I am stuck in reducing the augmented matrix into REF or RREF
Thank you in advance!

Click here to see answer by ikleyn(52782) About Me 

Question 1062488: Write the point slope form of a line that passes through (6,1) and is perpendicular to a line with a slope of -3
Click here to see answer by Alan3354(69443) About Me 

Question 1062489: Write the point slope form of the line that passes through (5,5) and is perpendicular to a line with a slope of 1/4
Click here to see answer by Alan3354(69443) About Me 

Question 1062491: Write the point slope form of the line that passes through (6,1) and is parallel to a line with a slope of -3
Click here to see answer by Alan3354(69443) About Me 

Question 1062487: Write the point slope form of the line that passes through (5, 5) and is parallel to a line with a slope of 1/4
Click here to see answer by Alan3354(69443) About Me 

Question 1062486: Write the point slope form of the line that passes through (-8, 2) and is perpendicular to a line with a slope of -8.
Click here to see answer by Alan3354(69443) About Me 

Question 1062492: Write the point slope form of the line that passes through (1, -5) and is parallel to a line with a slope of 1
Click here to see answer by Alan3354(69443) About Me 

Question 1062485: Write the point-slope form of the line that passes through the origin and is parallel to a line with a slope of 2.
Click here to see answer by Alan3354(69443) About Me 

Question 1062493: Write the point slope form of the line that passes through (-8, 2) and is parallel to a line with a slope of -8
Click here to see answer by Alan3354(69443) About Me 

Question 1062494: Write the point slope form of the line that passes through (1, -5) and is perpendicular to a line with a slope of 1
Click here to see answer by Alan3354(69443) About Me 

Question 1062666: When bottles of water cost $.80 per bottle at softball games, 200 bottles were sold. When the price was raised to $1.00 per bottle, only 150 bottles were sold. Determine the number of bottles of water sold if the price was $.90 per bottle.

Click here to see answer by josgarithmetic(39617) About Me 
Question 1062666: When bottles of water cost $.80 per bottle at softball games, 200 bottles were sold. When the price was raised to $1.00 per bottle, only 150 bottles were sold. Determine the number of bottles of water sold if the price was $.90 per bottle.

Click here to see answer by josmiceli(19441) About Me 

Question 1062771: A telephone company charges $4.95 per month plus $0.05 per minute. The monthly cost of the
plan can be described by the equation 𝑐 = 0.05𝑚 + 4.95, where m is the number of minutes.
how to find y intercept with out graphing
If you talk 140 minutes in a month, how much will your plan cost

Click here to see answer by rothauserc(4718) 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