Questions on Algebra: Equations answered by real tutors!

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Question 67012: 6x^2y^3 + 9x^2y^3
3x^2y^2
can you help me solve this
Click here to see answer by stanbon(75887)

Question 67018: suppose that the temperature outside is dropping at a constant rate. At noon, the temperature is 70 degrees F and it drops to 58 degrees F at 5:00p.m. How much did the temperature change each hour?
Click here to see answer by ankor@dixie-net.com(22740)

Question 67015: a to the 10 power divided by a to the 7 power
how do i solve this?
Click here to see answer by ptaylor(2198)

Question 67044: I have a question about a symbol. It's an addition sign over a subtraction sign. What does that mean??
~Thanks so much.
Click here to see answer by Earlsdon(6294)

Question 67060: I have a problem for ya
Solve for the value of x: (4x-35)/3 = 9(1-x)
Click here to see answer by Nate(3500)

Question 67099: 3
- = -42
7y
Click here to see answer by Petredish1(5)

Question 67114: The question is:
What is the circumference of a wheel if it turns 9 times and travels 50 feet?
It wants us to use 22/7? Totally lost! Help!
Thanks
Click here to see answer by josmiceli(19441)

Question 67196: Te ttal number of ornge football helmets ad blue football helmts is 44. If twice the numbe of blue fotball helmets exceeds the number of orange football helmets by 4, how many are there of each color?
Click here to see answer by bam878s(77)

Question 67252: (100P-4000)/100P = .3 P=?
Click here to see answer by funmath(2933)

Question 67154: 6(n-3)=4(n-2.1)
Click here to see answer by cassiroberts(11)

Question 67286: 1.The sum of two positive real numbers is 7. The sum of their squares is 26.1/2. Find the numbers.
2.The perimeter of this right-angled triangle is 60 ( the two perpendicular sides are x and y and the other side is 26).
a) Write down two equations in x and y.
b) Find the values of x and y, given that x>y.
3.The diagram shows two squares; the sum of their areas is 58 meter square. The sum of the lengths of their sides is 10 meter. Find the values of x and y, as shown : (the small square is with the x side and the big square is with y side. the diagram shows that x+y = 10).
4. Solve:
5x-2y=3
xsquare+ysquare-2xy=0
Click here to see answer by ankor@dixie-net.com(22740)

Question 67330: (3/2x-2)+(1/2)=2/x-1

Click here to see answer by stanbon(75887)

Question 67314: Hello to anyone who can help me and do thank you very much.I have four problem I need help with badly,the problem is solve the equation for x: 5(X-3)divided by 4=x+1,the next one is 3(x=12)divided by 5=x+2,the third problem is,solve for n, 2over3n+4=10-4over3n,and the last one is,if c=5over6 and d=1over4,evaluate:8cover-d thank you for whoever helps me because I can use it.
Click here to see answer by stanbon(75887)

Question 67337: 1/(x-4) - 5/(x+2)=6/(x^2-2x-8)
Click here to see answer by Earlsdon(6294)

Question 67337: 1/(x-4) - 5/(x+2)=6/(x^2-2x-8)
Click here to see answer by stanbon(75887)

Question 67357: Please help solving this rational equation:
2- (x-1)/(x+3)=(x-3)/(x-4)
Click here to see answer by algebrapro18(249)

Question 67430: (x^2-2x-15)(x-4)=0 solve by finding roots

Click here to see answer by ptaylor(2198)

Question 67469: Determine which ordered pairs are part of the solution set for each inequality?
Y > 3x,{(1,5),(-1,0),(5,1)}
If you could help me with this one I think i can get the others on my own.
Click here to see answer by vero(2)

Question 67507: Hi, I need help with the following equations: Thanks in advance!
1. 36 - 9y = 3y
2. -21 + 4p = 10
Click here to see answer by bam878s(77)

Question 67510: Solve the following equation for x.
(1/4) + (1/5) = (1/x)

Click here to see answer by bam878s(77)

Question 67510: Solve the following equation for x.
(1/4) + (1/5) = (1/x)

Click here to see answer by stanbon(75887)

Question 67523: the chapter I am on is equations with variables on both sides and I have a test so I really need to get all this done solidly thank you :)

problem:t+1=3t-5
Click here to see answer by checkley71(8403)

Question 67525: What steps do you take to solve r=p(220-a) for the variable "a"?
Click here to see answer by checkley71(8403)

Question 67429: 3x+2y=22 2x+3y=23 using the simultaneous method find the values of x and y which satisfy the equation
Click here to see answer by ankor@dixie-net.com(22740)

Question 67584: How do you Expand and simplify 5(m-8)-4(m-7)?

Click here to see answer by tutorcecilia(2152)

Question 67617: 8-3(p-4)=2p
Click here to see answer by checkley71(8403)

Question 67616: 9(k-10)=-k
Click here to see answer by checkley71(8403)

Question 67615: 5y=y-40
Click here to see answer by checkley71(8403)

Question 67599: 3x-2y=4 slove for y
Click here to see answer by checkley71(8403)

Question 67554: x^2-2x-15=0 by factoring, find the roots of the equation
Click here to see answer by checkley71(8403)

Question 67553: 5[5a-a(3x+5)+x(a+2x)]-10x^2 remove all grouping sybols and combine like terms
Click here to see answer by checkley71(8403)

Question 67557: radical sign over 4x-3 - raddical sign over 2x+7 =0 solve equation
Click here to see answer by ankor@dixie-net.com(22740)

Question 67650: What is the value of x? 3x-14+2x+9=90
Click here to see answer by brandonpark2889(31)

Question 67693: Hi, I need help in simplifying the following:
1. 3(x + 5) + 11
2. 8(x + 4) - (x - 5)
3. 28((1/4)z + (1/7))

Click here to see answer by brandonpark2889(31)

Question 67696: so like i earlly need help like alot so its

87 1/2 % of 32
Click here to see answer by 303795(602)

Question 67651: Find the value of x. 5x-18+4x+7=180
Click here to see answer by prabhjyot(165)

Question 67708: x=y/y+4, solve for y
Click here to see answer by prabhjyot(165)

Question 67703: To Whom It May Concern:
Your assistance is greatly appreciated.
Didn't have the textbook info yesterday when I submitted these questions.
The questions are from a quiz that I took for my online course.

Find the value of k that completes the square for x2 + 10x + k?

Use completing the square or the quadratic formula to find the solutions to the equation x2 � 4x + 2 = 0

Find the solutions to the equation: x2 + 2x + 5 = 0?

Find the solutions to the equation: x + 7/x = 8?

Solve the equation: x � 3 � sqrt x � 1 = 0?

Solve the equation: x + 2 � 2 sqrt x + 2 = 0?

Solve the inequality 2 | x � 10 | < 3 and express the solution as an interval?
Please get back to me ASAP since I'm studying for my final exam.

Click here to see answer by ybalkas(3)

Question 67714: Two rectangles have the same width. The length if one is 1 foor longer than the width. The length of the other is 2 feet longer than the width. The larger rectangle has 4 more square feet than the smaller. What is the width of the rectangles?
Click here to see answer by ptaylor(2198)

Question 67750: Solve for n
2n+3-(4n+6)=9
Click here to see answer by ptaylor(2198)

Question 67775: seth is thinking of a number between 20 and 30. The number is prime and not more than 2 away from a perfect square. What is the number?
Click here to see answer by stanbon(75887)

Question 67813: Simplify (2x - 3) + (-x-2)
Click here to see answer by checkley71(8403)

Question 67807: 3/4n-3=9
Click here to see answer by checkley71(8403)

Question 67803: -4x/3=24

Click here to see answer by checkley71(8403)

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, 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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, 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