Questions on Algebra: Equations answered by real tutors!

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Question 962797: what are the SOLUTIONS of the equation????
HEEEEELLLLLPPPPPP!!!!!

z^2-6z-27=0

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

Question 963120: I have the math problem listed below and was wondering if there is a formula that can be used to solve this. If there is a formula, could you show how to solve it and include each step? Thanks so much.
A box containing 3 oranges, 2 apples, and one banana weighs 15 units. Another box containing 5 oranges, 7 apples, and 2 bananas weighs 44 units. A third box containing 1 orange, 3 apples, and 5 bananas weighs 26 units. How much does each fruit weigh?

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

Question 963172: what are the factors of the following 6a2-2ab-3ab+b2
Click here to see answer by MathLover1(20849) About Me 

Question 963171: Solve the following equations. Show your working and check that your
answers are correct.
5x + 12 = 2x − 3
5x-2x = -3+12
3x=9
x=3
however if i want to check the solution is correct it doesn't work out same can someone check it out please?

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

Question 963175: The questions says factor completely. If the polynomial is prime, state this. Now here's the problem 2x^2-8x+6

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

Question 963208: what two numbers multiple to -1 but add to -6

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

Question 963291: Find the horizontal asymptote if any of the graph of the rational function.
h(x)=15x^3/3x^2+1

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

Question 959938: Z=17+2(x+y)
Solve for x.

Click here to see answer by EdenWolf(517) About Me 

Question 956459: %282%2F1%29%2B2%2B%289%2F9%29
Click here to see answer by EdenWolf(517) About Me 

Question 963311: What is the solution to the following equation 2 (x-3)=2x÷5, I am not sure what to do. Thank you for your help

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

Question 963401: Solve 12(3+y)=5(2y+8)

Click here to see answer by macston(5194) About Me 

Question 958829: 3y+7x=21
Click here to see answer by EdenWolf(517) About Me 

Question 963567: Hi there!
7 - (-4) + 3(-6)

I would really appreciate it if someone could explain to me in detail how to solve this type of algebraic equation! I have a test tomorrow full of equations and I still am completely lost as to how to solve them. Thanks so much in advance :)

Click here to see answer by Fombitz(32388) About Me 
Question 963567: Hi there!
7 - (-4) + 3(-6)

I would really appreciate it if someone could explain to me in detail how to solve this type of algebraic equation! I have a test tomorrow full of equations and I still am completely lost as to how to solve them. Thanks so much in advance :)

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

Question 963605: -t + 4t
Click here to see answer by rfer(16322) About Me 

Question 963834: Mr. Santana is 3 times his daughter Kara's age. Ten years ago, Mr. Santana was 7 times Kara's age.
Which system of equations could you solve to find Mr. Santana's current age? f = father's age and d = daughter's age
A) 3f = d ; f - 10 = 7d - 10
B) f = 3d ; f + 10 = 7(d + 10)
C) f = d/3 ; f + 10 = 7d - 10
D) f = 3d ; f - 10 = 7(d - 10)

Click here to see answer by fcabanski(1391) About Me 
Question 963834: Mr. Santana is 3 times his daughter Kara's age. Ten years ago, Mr. Santana was 7 times Kara's age.
Which system of equations could you solve to find Mr. Santana's current age? f = father's age and d = daughter's age
A) 3f = d ; f - 10 = 7d - 10
B) f = 3d ; f + 10 = 7(d + 10)
C) f = d/3 ; f + 10 = 7d - 10
D) f = 3d ; f - 10 = 7(d - 10)

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

Question 963837: how can u find the answer to this propblem 8 qt/min=_gal/hr
Click here to see answer by macston(5194) About Me 

Question 963869: the answer to 12(2x+11)=12(2x+12)
Click here to see answer by Fombitz(32388) About Me 

Question 963909: LEARNING THE VALUE OF X

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

Question 963925: what is the equation of the line that passes through (–2, 4) and is perpendicular to 6x + 3y = 2
A.) 1/3x + 1/2y = 2
B.) x - 2y = -10
C.) 2x - y = 10
D.) 2x + 3y =6

Click here to see answer by josgarithmetic(39617) About Me 
Question 963925: what is the equation of the line that passes through (–2, 4) and is perpendicular to 6x + 3y = 2
A.) 1/3x + 1/2y = 2
B.) x - 2y = -10
C.) 2x - y = 10
D.) 2x + 3y =6

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

Question 963955: the function h is defined by h(x)=(3x+7)/(x+4)
find h(x-1)

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

Question 963988: the function h is defined below.
h(x)=(x-2)/(x^2-64)
find all values of x that are not in the domain of h.
if there is more than one value separate them with commas.

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

Question 964004: simplify the expression.
(b^5/2)(b^-1/2)/(b^1/3)
write your answer using only positive exponents.
Assume that all variable are positive real numbers.

Click here to see answer by 0saidong9(5) About Me 

Question 964005: Solve and round to the nearest 1000th
8^(2x+9)-17=1233

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

Question 964018: solve for x.
2^(x^2-x+10)=16^(7-x)
if there is more than one solution, separate them with commas.

Click here to see answer by Murthy(22) About Me 
Question 964018: solve for x.
2^(x^2-x+10)=16^(7-x)
if there is more than one solution, separate them with commas.

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

Question 963997: Under root(x^2+4*x-21) +under root(x^2-x-6)=under root (6*x^2 -5*x-39)

Click here to see answer by Fombitz(32388) About Me 

Question 963963: How do u solve the following problem?: A family is going on a road trip. On the first day the family traveled x miles. The following day the family went 51 miles more than four times the number of miles traveled on the first day. On the third day the family went 95 fewer miles than the first day. Write and simplify an expression for the total number of miles traveled.
Click here to see answer by Fombitz(32388) About Me 

Question 964044: what is the solution to write -2x^2(-5x^2+4x^3) in standard form?
Click here to see answer by MathLover1(20849) About Me 

Question 964078: check for equation 2(9x+15)=8+2x
Click here to see answer by Fombitz(32388) About Me 

Question 963905: The radius of the earth is approximately 4000 miles. If a person weighs 160 pounds on the earth's surface, what would this individual weigh 8000 miles above the surface of the earth
Click here to see answer by Alan3354(69443) About Me 

Question 964149: d/8= 108-12
Click here to see answer by macston(5194) About Me 

Question 964216: if 8 men can do a job in 12 days how long will 24 men take to complete it

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Question 964232: How can I change 4×+y=8 into slope intercept form ??

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Question 964365: how to work it out to show my son.how many terms does the following expression have? 4(a+b)-6a/4b

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

Question 964625: The pta sold 310 tickets for their annual fundraising spaghetti supper. They brought in $1,320. If adult tickets cost $5.00 and student tickets cost $3.00 , how many of each type of ticket was sold?
Click here to see answer by Fombitz(32388) About Me 

Question 964678: 1. F and F^-1 are functions.
If F(x) = x+2 then f^-1 (x+2) is what?
2. f(x) = x+7 over 5, f(x) = 5x+7
Are these functions inverses of each other? True or False?
3. If f(x= 2x+3 and g(x) = x^2 then g[f(-3)] = ??
4. F and F^-1 are functions. if f(.3) = 5, then f^-1(5) is what?

thank you

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

Question 964829: How do I expand the following 4(a+2)
4(a+b-c)
-3(y+6)

Click here to see answer by rfer(16322) About Me 

Question 965013: how do you fin the answer in?
20x + (50 multiple by 2x) = 25200

Click here to see answer by Fombitz(32388) About Me 

Question 965009: -5/4m=-10
Click here to see answer by EdenWolf(517) About Me 

Question 965149: What is twenty eight thousand, two hundred and sixty in standard notation
Click here to see answer by amarjeeth123(569) About Me 

Question 965103: (N)=-4N

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Question 965078: What is
3x+y + -21
x+y= -5
Elimination method...solve for x and y

Click here to see answer by Fombitz(32388) 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, 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, 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, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580