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

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Question 54902: The newspaper said that only 42% of the registered voters in the school board election. If 11.960 people voted, how many registered voters are there? Write an equation.
Click here to see answer by checkley71(8403) About Me 

Question 54890: What is the slope of the line whose equation is 2y=5x+4?
Click here to see answer by checkley71(8403) About Me 
Question 54890: What is the slope of the line whose equation is 2y=5x+4?
Click here to see answer by funmath(2933) About Me 

Question 54885: The larger of two numbers is 12 more than the smaller. The sum of the number is 36. What are the numbers? Write a equation.
Click here to see answer by checkley71(8403) About Me 

Question 54893: The newspaper said that only 42% of the registered voters voted in the school board election. If 11,960 people voted, how many registered voters are there? Write an equation.
Click here to see answer by Nate(3500) About Me 

Question 54906: The sum of two numbers is 75. The large number is 7 more than 3 times smaller. Find the numbers.
Click here to see answer by Edwin McCravy(20055) About Me 

Question 54889: Gina has $2 more than three times the amount that Fred has. When Gina gabe Fred $5, Fred then had one-half as much as Gina. How much did Gina have at first? Write an equation.
Click here to see answer by Paul(988) About Me 

Question 54855: 14. Find the slope and the y-intercept.
y = 7x – 7

15. Find the slope and y-intercept.
x = 1
A) Slope: 0; y-intercept: (0, 1)
B) Slope: undefined; y-intercept: (0, 1)
C) Slope: 0; y-intercept: none
D) Slope: undefined; y-intercept: none
No book. Thanks so much for your time!!!!!!

Click here to see answer by funmath(2933) About Me 

Question 54926: louisa is 3/4 as tall as Carla. The difference between their heights is .4 meters. How tall is each girl?
Thank you

Click here to see answer by tutorcecilia(2152) About Me 

Question 54856: 16. Write the equation of the line with slope 5 and y-intercept (0, –8).
A) y = –8x + 5
B) –8x + 5y = 0
C) y = 5x – 8
D) 5y = –8
No book. Thanks so much for your time!!

Click here to see answer by elima(1433) About Me 

Question 54873: write an equation in the point-slope form and the slope-intercept form..thanks
slope=-5, passing through (-4, -2)

Click here to see answer by funmath(2933) About Me 

Question 54980: 20. Write the equation of the line with x-intercept (–1, 0) and undefined slope.
A) y = –1
B) x = –1
C) y = –x
D) x = 0
Thanks!!! no book

Click here to see answer by funmath(2933) About Me 

Question 54979: write the equation of the line that passes through (3,2) and is perpendicular to the line 5x+4y=11
Click here to see answer by funmath(2933) About Me 

Question 54978: Write the equation of the line that passes through the points (3,5) and (-1,10)
Click here to see answer by funmath(2933) About Me 

Question 54983: Can someone please help me on this problem?
I listed the name of the book above and the page #, and problem #
I need to graph the following equation, using the intercept method.
2x - 37 = 12

Thanks,
Ashley

Click here to see answer by funmath(2933) About Me 

Question 54776: solve each of the following inequality. express your final answer using interval notation.
a) -2>-2y-10>-22
b) x/4+3 <4
C) x?8+5 >4

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

Question 52791: Find the perpendicular to line -8x+2y=6
Click here to see answer by rchill(405) About Me 

Question 52970: need help fiquring out: 12-2/3x=10
Click here to see answer by rchill(405) About Me 

Question 55022: Please, I need help!
Find the slope of a line that passes through (1,7) and (3,3). Please start with showing me the general formula for slope of a line.
Thanks,
DB

Click here to see answer by Earlsdon(6294) About Me 
Question 55022: Please, I need help!
Find the slope of a line that passes through (1,7) and (3,3). Please start with showing me the general formula for slope of a line.
Thanks,
DB

Click here to see answer by funmath(2933) About Me 

Question 55018: Please help: Find the equation of the line that has the following characteristics:
Slope = -2,y-intercept= -3
Please show in "slope intercept" form
Thankyou
DB

Click here to see answer by funmath(2933) About Me 

Question 54861: 20. Write the equation of the line with x-intercept (–1, 0) and undefined slope.
A) y = –1
B) x = –1
C) y = –x
D) x = 0
no book
Thank you so very much!!

Click here to see answer by funmath(2933) About Me 

Question 54858: 18. Write the equation of the line passing through (–3, –7) and (–3, –6).
A) x = –3
B) y = –3
C) y = x – 3
D) y = x
no book Thanks so much for your time!!

Click here to see answer by funmath(2933) About Me 

Question 55042: Please help!
Find the equation of the line that has the following characteristics;
A line perpendicular to y=3x - 2 and passing through (2,3)
Please express answer in "slope-intercept form"
Thankyou,
DB

Click here to see answer by Hook(36) About Me 

Question 55071: Here is my question: The cost of producing a number of items x is given by
C = mx + b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item).
(a) If the fixed cost is $40 and the variable cost is $10, write the cost equation.
(b) Graph the cost equation.
I am at a loss when it comes to figuring out word problems, so please help me with this problem.

Click here to see answer by funmath(2933) About Me 

Question 55019: No book.
Take this situation,increase in gas prices from 2004 to 2006,and create an equation or inequality that could be used for analysis, prediction, or decision-making. Then, draw a graph to depict the variables in the situation.
Here are the stats:
July 2004, price per barrel,$48
Jan. 2005 price per barrel,$50
July, 2005, p. p. b., $62
Jan. 2006, p.p.b.,$70
July. 2006, p.p.b, $79
Thanks so much!!!!!

Click here to see answer by Hook(36) About Me 

Question 54596: Which of the ordered pairs
(3, 1), (0, –4), (–4, 0), (–3, –7)
are solutions for the equation x – y = 4?
A) (0, –4), (–4, 0), and (–3, –7)
B) (–4, 0) and (–3, –7)
C) (0, –4) and (–3, –7)
D) (3, 1) and (–4, 0)
No book. Thank you so very much for your time!!!

Click here to see answer by rchill(405) About Me 

Question 55105: What does the graph of y=1 look like?
Click here to see answer by stanbon(75887) About Me 

Question 55120: determine the value of r so that the line (5,r) and (2,3) has a slope 2.
(-2,-3),undefined

Click here to see answer by rchill(405) About Me 

Question 55119: determine the value of r so that the line (5,r) and (2,3) has a slope 2.
(-3,-1),m=-1/5

Click here to see answer by rchill(405) About Me 

Question 55115: find the slope of the line that passes through each pair of points.
(-2,-3),(0,-5)

Click here to see answer by rchill(405) About Me 

Question 55114: find the slope of the line that passes through each pair of points.
(6,8)(5,-5)

Click here to see answer by rchill(405) About Me 

Question 55124: find an equation for the line with slope 1/2 and y-intercept of 3

This is what I did:
y=mx+b
y=1/2x+3
y-1/2 =3
2y-x=6(divided both sides by 2)
or
-x+2y=6

Click here to see answer by rchill(405) About Me 

Question 55118: find an equation for the line with y-intercept 3 that is perpendicular to the line y=2/3x-4
Click here to see answer by rchill(405) About Me 

Question 55126: write an equation in slope-intercept form for the line that satisfies each set of conditions.
slope -2,passes through (-4,6)

Click here to see answer by rchill(405) About Me 

Question 55144: write an equation in slope-intercept form for each graph.
(0,0)(4,5)

Click here to see answer by tutorcecilia(2152) About Me 

Question 55143: write an equation in slope-intercept form for each graph.
(1,6),(3,0)

Click here to see answer by tutorcecilia(2152) About Me 

Question 55142: write an equation in slope-intercept form for the line that stisfies each set of conditions.
slope -13/5,passes through (5,-7)

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Question 55140: write an equation in slope-intercept form for the line that stisfies each set of conditions.
slope 1, passes through (2,5)

Click here to see answer by tutorcecilia(2152) About Me 

Question 55138: find the slope of the line
y= -3x + 2
I am not sure if I get this
This is what I got for another problem
3y + 2x - 6 = 0
using the slope formula, I came to the conclution that the slope of this line is -2/3 is this right?
thanks, lackinmath

Click here to see answer by tutorcecilia(2152) About Me 

Question 55139: write an equation in slope-intercept form for the line that stisfies each set of conditions.
slope 3/2,y-intercept 4

Click here to see answer by checkley71(8403) About Me 

Question 55164: Sally brought three chocolate bars and a pack of gum and paid $1.75. Jake brought two chocolate bars and four packs of gum and paid $2.00 Find the cost of a chocolate bar and the cost of a pack of gum.
Click here to see answer by stanbon(75887) About Me 

Question 55189: A small company produces both standard and deluxe playhouses. The standard playhouse takes 12 hours of labors to produce and the deluxe 20 hours.The labor availible is limited to 800 hours per week and the total production capacity is 50 items per week. Existing orders require the company to produce at least 10 standard and 15 deluxe per week. Write a system of inequalities representing this situation where x is the number of standard and y is the number of deluxe.
Click here to see answer by stanbon(75887) About Me 

Question 55185: write an equation in slope-intercept form for the line that satisfies each set of conditions.
passes through (-2,1),perpendicular to the line y=4x-11

Click here to see answer by Cintchr(481) About Me 

Question 55174: write an equation in slope intercept form for each graph.
(-4,1)(5,2)

Click here to see answer by checkley71(8403) 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, 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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, 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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, 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