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

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Question 1036648: Write the point-slope form of an equation for a line that passes through the point with the given slope.

(-6, -2), m = -2
Select one:
a. y + 2 = -2(x + 6)
b. y - 2 = -2(x + 6)
c. y + 2 = 2(x + 6)
d. y + 2 = -2(x - 6)

Click here to see answer by josgarithmetic(39617) About Me 
Question 1036648: Write the point-slope form of an equation for a line that passes through the point with the given slope.

(-6, -2), m = -2
Select one:
a. y + 2 = -2(x + 6)
b. y - 2 = -2(x + 6)
c. y + 2 = 2(x + 6)
d. y + 2 = -2(x - 6)

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

Question 1036727: I am confused on this question:
complete the ordered pairs so they are solutions of the equation 6x-5y=-120?
The answers are (_,0) then (0,_) and then (_,6).

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Question 1036776: tshilidzi got 2 more marks than tsakani in a short test and the sum of their marks is 41.use the information to write down too independent linear equation and on calculate the marks for each learner
Click here to see answer by josgarithmetic(39617) About Me 

Question 1036806: Find which value of p and q will the following pair of linear eqns.has infinite many no of soln 4x+5y-2 and(2p+7q)x+(p+8q)y-2q-p+1

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Question 1036860: Solving for x and y how would you get 5 Solutions to 9x – 6y = 54 ?
1?y=51



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Question 1037012: 3t+p=102

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Question 1037130: A new Cruise ship line has just launched three new ships the Pacific Paradise the Caribbean paradise and the Mediterranean Paradise the Caribbean Paradise has 23 more deluxe staterooms than the Pacific Paradise the Mediterranean Paradise has 35 fewer Deluxe staterooms than three times the number of deluxe staterooms on the Pacific Paradise find the number of deluxe staterooms for each of the ships if the total number of deluxe staterooms for the three ships is 923
Click here to see answer by ikleyn(52784) About Me 

Question 1037380: The x-intercept of the line x = 3.5 is
. The y-intercept of the line y = -6.5 is
.
Enter your answer as an ordered pair such as (1, 1) or (-2, 2).




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Question 1037394: The first equation of a linear system is 2x + 3y = 52. Choose a second equation to form a linear system with infinite solutions.

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Question 1037503: What is the area of the region bounded by x^2 + y^2 = 1, x + y = 4, and the x and y axes?
A. 4 - pi/2
B. Pi/8
C. 2 + pi/4
D. 8 - pi/4
Thank you!

Click here to see answer by Edwin McCravy(20056) About Me 

Question 1037807: I'm having some trouble with this problem:
Mike wants to purchase custom-made pens to advertise his business. Two companies offer different deals:

Company A: Pay a design fee of $27.00, plus $0.18 per pen
Company B: Pay a design fee of $15.00, plus $0.24 per pen

(a) State a linear function f (x) that represents Company A's total charge for an order of x pens.

(b) State a linear function g(x) that represents Company B's total charge for an order of x pens.


(c) Mike wants to purchase 140 custom-made pens, as cheaply as possible. With which company should he place his order?
Any help with this would be greatly appreciated!

Click here to see answer by tutor_paul(519) About Me 

Question 1037810: I need help determining what the graph of y = f(x + 1)-2 would look like. Any help is very much appreciated!
Click here to see answer by Fombitz(32388) About Me 

Question 1037782: Suppose there is a linear relationship between price and demand for an object. Demand for a video game is 1000 units when the price is $40 and 2000 units when the price is $20?
Click here to see answer by josgarithmetic(39617) About Me 
Question 1037782: Suppose there is a linear relationship between price and demand for an object. Demand for a video game is 1000 units when the price is $40 and 2000 units when the price is $20?
Click here to see answer by MathTherapy(10552) About Me 

Question 1037891: 12x-7y=40
I am looking to complete ordered pair solutions for ( ,15) with this equation

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

Question 1037171: Consider the following system of equations:

2x + 3y = 1
5x + 9y = 4
(a) Write the system of equations as a matrix equation AX = B.
(b) Calculate A
−1
.
(c) Solve AX = B using your result from part (b).

Click here to see answer by robertb(5830) About Me 

Question 1037913: A taxi cab charged $17.50 for a ten mile trip and $30 for a 20 mile trip. Write an equation to find the charge per mile and the cost just to get in the cab.
Click here to see answer by Theo(13342) About Me 

Question 1038109: 8x + 10y =-26
4x + 6y = -10

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Question 1038120: solve the linear system using substitution
4x+3y=-5
x=y-3
please help fast I have a math exam tmr

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Question 1038134: Jesse and her brothers Nick and Owen are saving money over the summer. Each week, Jesse saves twice as much as Owen. Owen saves $5 more than nick. At the end of four weeks, the three of them have saved a total of $220. How much money does each person save per week?
Click here to see answer by garettbuff(18) About Me 
Question 1038134: Jesse and her brothers Nick and Owen are saving money over the summer. Each week, Jesse saves twice as much as Owen. Owen saves $5 more than nick. At the end of four weeks, the three of them have saved a total of $220. How much money does each person save per week?
Click here to see answer by MathTherapy(10552) About Me 

Question 1038203: My friend and I both have the same math homework one day. I work at a rate of p problems per hour and it takes me t hours to finish my homework. My friend works at a rate of 2p-4 problems per hour and it only takes him t-2 hours to finish his homework. Given that p and t are positive whole numbers and I do more than 10 problems per hour, how many problems did I do?
Click here to see answer by josgarithmetic(39617) About Me 

Question 1038213: An object is projected upwards with a velocity of 100 m/s . it will strike ground about:
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Question 1038490: (4x-3,5)=(9,2y+7) then x+y

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Question 1038565: a purse contains 150 paise and 25 paise coin by number in the ratio 3:8:16 if the total value of all the coins be rupees 605 find the number of each type of coins

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Question 1038608: Solve for x and y.
2x+3y = 6
5x+2y = 15

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Question 1038632: The perimeter of a baseball court is 114 meters and the length is 6 meters longer than twice the width. What are the length and width

Click here to see answer by jorel555(1290) About Me 

Question 1038576: in the system of equations below, u and v are constants. If the system has more than one solution, what is the value of u/v?
-2x + uy = v
x-2y = 3

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Question 1038765: 3y +2x=-5; 0,2,4
It says solve each equation for y. Then the value of y for each value of x.

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Question 1039027: solve for the solution set using the 3 different methods
equation1. x = 1
equation2. x+y+2 = 0

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Question 1039027: solve for the solution set using the 3 different methods
equation1. x = 1
equation2. x+y+2 = 0

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

Question 1039067: Solve the following system of linear eqnations.
x + y – 3z + 2w = 0
2x - y + 2z – 3w = 0
3x – 2y + z – 4w = 0
- 4x + y – 3z + w = 0

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Question 1039084: Using the following system of inequalities find the maximum value of f(x,y) = 3x + 9y
x≥0
y≥0
3x+2y≤18
6x+7y≤42

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Question 1039072: Write in standard form an equation of the line passing through the given point with the given slope.
Slope=1/6;(-1,5)
Please and thank you.

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Question 1039154: A farmer has 108 feet of fence with which to make a corral. If he arranges it into a rectangle that is twice as long as it is wide, what are the dimensions?
The shorter side is ___ feet while the longer side is ____ feet.

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Question 1039387: The figure below shows the lengths pf the sides of a rectangle in cm.Given the perimeter of the rectangle is 120 cm,find the values of x and y and then the area of the rectangle. 3x-y 2x-3 2x+y
Click here to see answer by Alan3354(69443) About Me 

Question 1039499: Someone Please Help:
Sarah Meeham blends coffee for​ Tasti-Delight. She needs to prepare 160 pounds of blended coffee beans selling for ​$4.69 per pound. She plans to do this by blending together a​ high-quality bean costing ​$6.00 per pound and a cheaper bean at ​$3.00 per pound. To the nearest​ pound, find how much​ high-quality coffee bean and how much cheaper coffee bean she should blend.

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

Question 1039650: If x/4 + x/3 = 56. Find x.
Click here to see answer by Alan3354(69443) About Me 

Question 1039816: Find a system of linear equations that has the given solution. Parameterize answers in terms of x,y, and z.
(-7,-4,3)

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Question 1039946: Using the following system of inequalities find the maximum value of f(x,y) = 3x + 8y
Click here to see answer by jim_thompson5910(35256) About Me 

Question 1039987: x+y+z=12;xy+yz+zx=44;x^3+y^3+z^3=288. Find value of x,y and z.
Click here to see answer by Boreal(15235) About Me 
Question 1039987: x+y+z=12;xy+yz+zx=44;x^3+y^3+z^3=288. Find value of x,y and z.
Click here to see answer by ikleyn(52784) About Me 
Question 1039987: x+y+z=12;xy+yz+zx=44;x^3+y^3+z^3=288. Find value of x,y and z.
Click here to see answer by robertb(5830) About Me 

Question 1039682: yA and yB represent continuous linear relations. Some values from the relations are shown in the table below. Solve the equation.

x yA yB
-8 -5 -15
-3 -6 -11

Click here to see answer by solver91311(24713) 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