Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 921358: I really need your help in solving this problem. I appreciate your time and efforts. Have a terrific evening :) Here is the question?
The sum of reciprocals of two consecutive even integers is 7/24. Find each integer
Click here to see answer by josgarithmetic(39617)

Question 921356: I really need your help in solving this problem. I appreciate your time and efforts. Have a terrific evening :) Here is the question?
If a number is added to the numerator of 5/7, and twice as much is subtracted from the denominator, the result is 8. Find the Number?
Click here to see answer by josgarithmetic(39617)

Question 921386: 1. Ten men can paint a house in 3 days. In how many days can 5 men finish the same job?
a.4 days
b.5 days
c.6 days
d.7 days
e.8 days
2. A vessel contains 2 liters of alcohol and 28 liters of water. How many liters of alcohol must be added to make the new mixtures 12.5% alcohol?
a.2
b.2 2/7
c.3
d.3 3/7
e.4 2/7
Click here to see answer by josmiceli(19441)

Question 921426: Four year ago the sum of the ages of mother and her two daughter was x years then after two years the sum of their age become........years
Click here to see answer by stanbon(75887)

Question 921383: A car A and B travels towards each other on a 42-km straight highway. Car A travels at a rate of 60 kph while car B travels at a rate of 80 kph. In how many minutes will the 2 care meet?
a.6 min
b.18 min
c.30 min
d.42 min
e.84 min
Click here to see answer by ankor@dixie-net.com(22740)

Question 921579: Given: ΔABC is congruent to ΔMNO
Identify all pairs of congruent corresponding parts.
help please? thanks
Click here to see answer by jim_thompson5910(35256)

Question 921671:
Solve it in 5 minutes or get rekt scrub.
Click here to see answer by richwmiller(17219)

Question 921762: hey i need your help with this equation(if wx=z,which of the following expression is equal to xz?)kindly help me
Click here to see answer by Alan3354(69443)

Question 921760: please help me if any one can solve it( if 2x^2+3y^2=0,what is the value of 3x +2y?
Click here to see answer by MathLover1(20849)

Question 921757: Simplify this expression, give your answer as a number to a single power:
(y4* y3) / y-3

Thank you.
Paola (mom of a Y8 boy)
Click here to see answer by MathLover1(20849)

Question 921803: What is the slope (-3,-2) and (1,3)

Click here to see answer by Alan3354(69443)

Question 921807: What is the slope that go thru this line (-3,-2) and (1,3)
Click here to see answer by Alan3354(69443)

Question 921837: How do you solve the following problem?
(X + 2)^2 = 11/2
Click here to see answer by josgarithmetic(39617)

Question 921894: I really need your help in solving this problem. I appreciate your time and efforts. Have a terrific evening :) Here is the question?
A varies directly as z. If A = 30 when z = 5, find A when z = 9
Click here to see answer by richard1234(7193)

Question 921897: I really need your help in solving this problem. I appreciate your time and efforts. Have a terrific evening :) Here is the question?
V varies inversely as p. If V = 30 when p = 5, find V when p = 6
Click here to see answer by josgarithmetic(39617)

Question 921967: A woman is six times as old as her son. In 9 years she will be three times as old as her son. How old are they now?
Click here to see answer by srinivas.g(540)

Question 921966: A woman is six times as old as her son. In 9 years she will be three times as old as her son. How old are they now?
Click here to see answer by srinivas.g(540)

Question 922098: If c and d are both integers in the equation 4cx - 5c= -12x +d what is the value of c and d

Click here to see answer by ewatrrr(24785)

Question 922097: If c and d are both integers in the equation 4cx - 5c= -12x +d what is the value of c and d

Click here to see answer by ewatrrr(24785)

Question 922143: please someone help me.........I am not able to solve this question(x/8+y/5=31/40,in this equation above,if x and y are positive integers,what is the value of x+y ?

Click here to see answer by josgarithmetic(39617)

Question 922368: You are given a picture of a rectangle
This rectangle has 4 equations, 1 for each side. The equations are below
Left Side: x+y+3
Right Side: 2x-y+6
Top: 2x+3y+5
Bottom: 3x-y+16
You need to get these formulas into 2 formulas that can be done using elimination. You then need to find out the Y and X for the question.
This help would be much appreciated.
Thanks, Armz
Click here to see answer by ewatrrr(24785)

Question 922415: PLEASE help me I am stuck with this problem please
If (x+5)(x+p)=x^2+2x+k,then
(A)P=3 AND K=5
(B)P=3 AND K=-15
(C)P=-3 AND K=15
(D)P=3 AND K=15
(E)P=-3 AND K=-15
Click here to see answer by ewatrrr(24785)

Question 922413: please help me if someone can please
IF(px+q)^2=9x^2+kx+16,what is the value of k?OPTIONS ARE
(A)3
(B)4
(C)12
(D)24
(E)30
Click here to see answer by ewatrrr(24785)

Question 922596: x+3y=1 -4y=x find x
Click here to see answer by jim_thompson5910(35256)

Question 922775: Find the slope of line passing through the
points (5, 9) and (5, -2)
Click here to see answer by josmiceli(19441)

Question 922778: solve for x
500=600-600e^-0.4x

Thanks
Click here to see answer by Fombitz(32388)

Question 922782: if A= 20% of B, and 2c=80% of B, what percent of C is A?
Click here to see answer by destiny ike(2)

Question 922860: Solve for b, A=1/2(a+b)
Click here to see answer by Fombitz(32388)

Question 922861: Solve for b, A = 1/2(a+b)
Click here to see answer by Fombitz(32388)

Question 922830: please help me if any one of you can please
IF a is not equal to b and a^2-b^2/9=a+b,then what is the value of a-b?
(A)1/3
(B)3
(C)9
(D)12
(E)IT CANNOT BE DETERMINED FROM THE INFORMATION GIVEN
Click here to see answer by ankor@dixie-net.com(22740)

Question 922894: Topic Now next equations
write a now-next equation of the following
x 3 4 5 6
y 6 12 24 48
Click here to see answer by stanbon(75887)

Question 922952: Maggie makes some fruit punch. She mixes 2 1/2 quarts of grape juice with 1 1/2 quarts of orange juice. One quart of grape juice costs $1 less than one quart of orange juice. She finds that the total cost of making the fruit punch is $12.50. Caculate the cost of each quart of graph juice And Each quart of orange juice.
PLEASE HELP ME!!!
Click here to see answer by josmiceli(19441)

Question 922996: If (3,N) is a soluton of Ax+3=6 and (n,5) is a solution of 5x+y=20, what is the value for A

Click here to see answer by stanbon(75887)

Question 922984: I need help with evaluate 3(x^2-2)+4(x+6) for x=2
When I worked the problem I came up with an answer of 86
Thank you for your time
Click here to see answer by jim_thompson5910(35256)

Question 923109: Write the equation of the tangent line to (x-2)�+(y+2)�=169 at the point (7,10).
Please answer as soon as possible. I have a test tomorrow and my teacher has not given enough time into teaching us this! Please help! I need to know all the steps and how to get it. I know that it does include y=mx+b and I think the distance and midpoint formulas though.
Click here to see answer by josgarithmetic(39617)

Question 923151: 3z^-7+4z^-6+6z^-5+5z^-4+4z^-3+3z^-2+z^-1

Click here to see answer by Fombitz(32388)

Question 923180: How do I solve 2y+x=3 2y-x=5 by elimination method?
Click here to see answer by Alan3354(69443)

Question 923268: Show that 3h + 5b is less or equal to 90
Click here to see answer by Fombitz(32388)

Question 923282: Evaluate:
please be descriptive on how this is solved.
Thanks!
Click here to see answer by Alan3354(69443)

Question 923343: It takes a student 8 hours to drive from her home back
to college, a distance of 580 kilometers. Before lunch her
average speed is 80 kilometers per hour and after lunch
it is 60 kilometers per hour. How many hours does she
travel at each rate?
Click here to see answer by ewatrrr(24785)

Question 923359: A train leaves Boston at 3:00 pm and heads for new york at 35 mph. At the exact same time, another train leaves new york and heads for Boston at a speed of 45 mph. If the distance between new york and Boston is 240 miles, how long will it be before the trains meet?
Click here to see answer by josmiceli(19441)

Question 923379: Can you show me the steps for solving a system of equations
3x-4=7
Y+2x=8
Thank you
Click here to see answer by Alan3354(69443)

Question 923421: 1: stephanie leaves school at 3:00 on her bike and travels at a speed of 10mph. if her mom leaves home at the same time and drives toward school at 40mph, what time will they meet if the distance between home and school is 10 miles.
2: a sailboat is taking on water during a storm and is in danger of sinking. after calling the coast guard, the sailboat turns towards shore and travels at 17mph towards boston which is 123.9 miles away. at the same time, a coast guard cutter leaves boston and heads towards the floundering sailboat at a speed of 42 miles per hour. how long until the coast guard reaches the sailboat.
Click here to see answer by TimothyLamb(4379)

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