Questions on Algebra: Equations answered by real tutors!

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Question 442881: Does 6/2(1+2)=1?
Click here to see answer by swincher4391(726)

Question 442877: a. The sales representative here tells you they also have two floor plans available, but they only have 38 homes still for sale. Write an equation that illustrates the situation. Use x and y to denote floor plan one and floor plan two respectively.
b. The representative tells you that floor plan one sells for $175,000 and floor plan two sells for $200,000. She also mentions that all the available houses combined are worth $7,200,000. Write an equation that illustrates this situation. Use the same variables you used in Part a.
c. Use elimination to determine how many houses are available in each floor plan. Explain how you arrived at your answer.
I know part A is X+Y=38 however, I am no good at the elimination method

Click here to see answer by AKT(2)

Question 442871: Can you show the work on the following equation so I can "see how" it is done?
x^2 -6x -16 = 0
x^2 means x squared.
Thank you!!
Click here to see answer by AKT(2)

Question 442871: Can you show the work on the following equation so I can "see how" it is done?
x^2 -6x -16 = 0
x^2 means x squared.
Thank you!!
Click here to see answer by richard1234(5390)

Question 443046: 3x-4(5-3x)= 5(3x-4)
Click here to see answer by swincher4391(726)

Question 443050: s=p/3+7p solve for p and show all work please
Click here to see answer by swincher4391(726)

Question 443053: Using set builder notation solve:
7x-9>-2(x+4) Please show all work
Click here to see answer by stanbon(57216)

Question 443051: A=1/2bh A=38sqcm b=8cm solve for h. please show all work
Click here to see answer by stanbon(57216)

Question 443052: Using set builder notation solve:
x-4<1/8 Please show all work
Click here to see answer by swincher4391(726)

Question 443048: Solve by clearing fractions:
7/3-5/2x=8+2x
Click here to see answer by stanbon(57216)

Question 443049: -16+2/3x=-18
Please show all work
Click here to see answer by swincher4391(726)

Question 443065: Divide if possible.
(40)/(4)
Click here to see answer by swincher4391(726)

Question 443067: Find -x when x=52.
Click here to see answer by swincher4391(726)

Question 443066: Simplify
[24/(-6)]/(-1/3)

Click here to see answer by swincher4391(726)

Question 443081: Determine wheather the graphs of the equations are perpendicular.
6x-7y=8
6y-7x=5
Are the graphs of the given equations perpendicular?
No or Yes
Click here to see answer by swincher4391(726)

Question 443085: y=5-4x
2x-3y=13
How to solve this equation
Click here to see answer by swincher4391(726)

Question 443084: Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y=mx+b.
(-3,6);8x=9y+4
The equation of the line is y=_______
(simplify the answer. By using integers or fractions for any numbers in the expression.)
Click here to see answer by mananth(12270)

Question 443069: What percent of 100 is 20?
Click here to see answer by angelagallegos(8)

Question 443088: Find an equation of the line containing the given pair of points.
(-3,0)and(0,4)
What is the equation of the line?
y=______
(Answer in a slope intercept form. By using integers or fractions for any numbers in the expression.)
Click here to see answer by swincher4391(726)

Question 443073: Find an equation of the line having the given slop and containing the given point. express your answer in the form y=b or y=mx+b
m=0,(0,-1)
The equation of the line is y=_______.
Click here to see answer by swincher4391(726)

Question 443118: How cam I find what -x= when x=28
Click here to see answer by swincher4391(726)

Question 443121: 5k(k+8)=0
Click here to see answer by swincher4391(726)

Question 443122: 5(x-6)(x+2)=0
Click here to see answer by swincher4391(726)

Question 443159:
Click here to see answer by MathLover1(6613)

Question 443175: I can't figure out this question. Need help. Thanks.
Solve using the addition principle:
2x + 6>x+12
Click here to see answer by swincher4391(726)

Question 443177: make a set of three numbers with a mode of 5 and a mean of 6
Click here to see answer by swincher4391(726)

Question 443210: what is the answer to x(2x+3)(5x-1)=0 and can you also show me the solution
Click here to see answer by swincher4391(726)

Question 443210: what is the answer to x(2x+3)(5x-1)=0 and can you also show me the solution
Click here to see answer by MathLover1(6613)

Question 443291: Determine whether -8 is a solution of the equation 6x=30.
Is -8 a solution?
Click here to see answer by Alan3354(30957)

Question 443357: Solve –3(2x – 1) = x + 10

Click here to see answer by Leaf W.(97)

Question 443314: Equations with two variables.
-Find the Y value for the equation for x = -2, 0, and 2.
y=3x-4
Thank you
Click here to see answer by Leaf W.(97)

Question 443299: solve.
6(3x - 2) = 42

Click here to see answer by Leaf W.(97)

Question 443296: Multiply.
9(b-3)=_______
Click here to see answer by Leaf W.(97)

Question 441041:
Click here to see answer by Leaf W.(97)

Question 441066: tell wether the ordered pair is a solution of 3x+y=9

Click here to see answer by Leaf W.(97)

Question 443248: Determine whether the graphs of the two lines are parallel.
y+3=9x
6x-y=-3
Are the graphs of the given equations parallel?
no or yes
Click here to see answer by Leaf W.(97)

Question 443386: Show the work to solve |2x+5| -1 < 6
Describe the graph of the solution in a complete sentence

Click here to see answer by stanbon(57216)

Question 443451: Solve the equation and check
3x-8/9 +x + 3x+8/3 +3
Click here to see answer by rfer(12644)

Question 443516: What time does the Royal wedding begin? What time is that Eastern Standard Time? Write out an algebraic equations for the answer.
Click here to see answer by Alan3354(30957)

Question 443544: A bank teller has 54 $5 and $20 bills in her drawer. The value of the bills is $780. How many $5 bills are there?
Click here to see answer by swincher4391(726)

Question 443617: -14+50=x+45-46+76
Click here to see answer by rfer(12644)

Question 443625: Please show me how to solve this equation.
2x - (3+x) = 8
Click here to see answer by edjones(7569)

Question 443691: Annette claims the following problem has no solution: “The sum of the page numbers on facing pages is 191. Find the page numbers.” Is she correct? Why or why not?
Click here to see answer by Alan3354(30957)

Question 443789: I do not know how to factor this equation:
x^2-2xcos(theta)+1=0 in terms of x
What I am looking for are the roots
Click here to see answer by swincher4391(726)

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, 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