Questions on Algebra: Equations answered by real tutors!

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Question 259495: 5+5x-4=
Click here to see answer by mathbath(13)

Question 259520: You have a rectangular swimming pool 20 ft. by 10 ft, and a uniform depth of 8 ft. You want to fill the pool to the top. You calculate that it will take 4 hours to fill the pool. It actually takes you 4.5 hours to fill the pool. You suspect the pool is leaking. How much water has leaked from the pool during the 4.5 hours? Assuming a uniform filling rate, and neglecting evaporation, what is the leakage rate (to the nearest gal. per minute)? (1 cu. ft. =7.5 gal.)
Click here to see answer by ankor@dixie-net.com(15652)

Question 259676: 1.) y=4x 3x+y=-21
2.) y=2x-2 2x+3y=10

Click here to see answer by mananth(12270)

Question 259659: How do you solve 7x = 19x?
Thank you
Click here to see answer by Fombitz(13828)

Question 259599: How do you find ordered pairs thatare solutions
Click here to see answer by Fombitz(13828)

Question 259743: Equivalent rates. 60 beats per 1 minute= ? beats per 1 hour
Click here to see answer by richwmiller(9135)

Question 259755: solve by the elimination method 7r-4s=33 4r+7s=56
I have tried setting it up like this
7r-4s=33
4r+7s=56
--------
3r 3s=89
I don't know if I am supposed to put a + or - between the 2 and to eliminate the variables I divide by 3 and get r,s = 29.6
this does not look right. Any help on how to solve would be appreciated. Thanks
Click here to see answer by richwmiller(9135)

Question 259757: how do it find the intersection of the lines x subscript 1 -5x subscript 2 =1 and 3x subscript 1 -7xsupscript 2 =5
Click here to see answer by Fombitz(13828)

Question 259835: In the formula for an algebra equation (y=mx+b), what is the x-intercept and the y-intercept?
Click here to see answer by nerdybill(6958)

Question 259839: Please help me simplify this equation: (5x+7y)-(3x-5y)
Click here to see answer by Alan3354(30993)

Question 259868: The sum of three consecutive even integers is 228. Find the integers.
Click here to see answer by Alan3354(30993)

Question 259889: I am a parent that didn't get to finish in high school and my son has this problem and i don't know to write the equation out. thank you for your time. Here is the problem.
Air Travel: A jet leaves the Chalotte, Noth Carolina, airport traveling at an aveage rate of 564 km/h. Another plane leaves the airport one half hour later traveling at 744 km/h in the same direction. Use an equation to find how long the second jet will take to overtake the first.
Click here to see answer by rfer(12660)

Question 259890: joe is 8 years older than kathy. 20 years ago he was 3 times as old as kathy. how old is each now
Click here to see answer by stanbon(57347)

Question 259934: (9+6i)-(-4+i)
13 + 5i
is this correct?
Click here to see answer by richwmiller(9135)

Question 259942: What is 2.3.5.x.x.x.y.y in exponential form?
Click here to see answer by jim_thompson5910(28595)

Question 259943: What exponent will change X to 1/x ?
Click here to see answer by jim_thompson5910(28595)

Question 260020: Is there a trick to factoring cubed or higher equations
Click here to see answer by Alan3354(30993)

Question 260115: Suppose you buy 1 ticket for $1 out of a lottery of 3000 tickets. If the prize for the one winning ticket is to be $500, what are your expected winnings?
Click here to see answer by stanbon(57347)

Question 260114: A pool of possible jurors consists of 11 men and 16 women. How many different juries consisting of 5 men and 7 women are possible?
Click here to see answer by stanbon(57347)

Question 260112: A rectangular box which is 6 in. by 4 in. by 7 in. is to be wrapped in brown paper. How much paper is required?
Click here to see answer by rfadrogane(214)

Question 260113: One casserole dish is rectangular, measuring 12 in. × 16 in. × 2 in. Another dish is circular, with a diameter of 13 in. and a depth of 3 in. Which is the larger casserole dish by volume?
Click here to see answer by unlockmath(1599)

Question 260111: A hybrid car manufacturer made a vehicle that the company claimed got 29 kilometers per liter. What would be the approximate equivalent gas consumption in miles per gallon?
Click here to see answer by ankor@dixie-net.com(15652)

Question 260130: 3(2y-4)-6=3y
Click here to see answer by jim_thompson5910(28595)

Question 259979: 6(3x - 6y + 4z - 3)
Click here to see answer by unlockmath(1599)

Question 260232: can you put up the solution for 1/2y-2=1/3y
Thank you
Scott
Click here to see answer by richwmiller(9135)

Question 260240: 4x^2-49=0
Click here to see answer by stanbon(57347)

Question 260240: 4x^2-49=0
Click here to see answer by richwmiller(9135)

Question 260244: x^2-3x=0
Click here to see answer by richwmiller(9135)

Question 260246: please solve 2/(t+6)=3/(t-1)
Click here to see answer by drk(1908)

Question 260246: please solve 2/(t+6)=3/(t-1)
Click here to see answer by richwmiller(9135)

Question 260257: a^2+5a=-4
Click here to see answer by drk(1908)

Question 260203: the perimeter of the rectangle is 41 cm . length is 5x cm width is (2x+3) cm
what is the value of x ?

Click here to see answer by checkley77(12569)

Question 260263: 2x^3+2x^2-4x over x^2-6x+9 simplify
Click here to see answer by richwmiller(9135)

Question 260331: (2x+5)^-1=(x+4)^-1
Click here to see answer by drk(1908)

Question 260350: leah is twice her sister age decreased by 4.the two ages together add up to 89.find leah`s age.
Click here to see answer by drk(1908)

Question 260364: 8x-2=2x+7
Click here to see answer by jim_thompson5910(28595)

Question 259578: Identify the equation as conditional, inconsistent, or an identity.
3(x-4)=3x-12
Click here to see answer by richwmiller(9135)

Question 260408: How do I identify the equation as an identity, an inconsistent equation, or a conditional equation.
x(x + 17)/ x + 17 = x
Click here to see answer by richwmiller(9135)

Question 260442: x + y = 2
2x-y = 7
Click here to see answer by richwmiller(9135)

Question 260442: x + y = 2
2x-y = 7
Click here to see answer by dabanfield(803)

Question 260410: 3(p+4)=33
Click here to see answer by drk(1908)

Question 260469: Simplify:
1.a) (sq root 8 +sq root 12)^2 I know this should be easy but I keep getting different answers !?!?

Click here to see answer by richwmiller(9135)

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