Questions on Algebra: Equations answered by real tutors!

Algebra ->  Algebra  -> Equations -> Questions on Algebra: Equations answered by real tutors!      Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   


Tutors Answer Your Questions about Equations (FREE)


Question 346938: A pasta machine cost $33.oo and the ingredients to make one batch of pasta costs .33. One batch of pasta bought in a store costs .99.
How many batches of pasta will you have to make for the cost of the machine and ingredients to equal the cost of buying the same amount of pasta at the store.

Click here to see answer by mananth(12270) About Me 

Question 346978: Can someone explain how to do these three:
0.013x=0.546
x/1200= -0.12
-16.7x=367.4

Click here to see answer by haileytucki(390) About Me 

Question 346998: how to do this problem 2(4+9x) and -2(-2+2xpower2ypower3+3ypower2)

Click here to see answer by haileytucki(390) About Me 

Question 346090: 3x+7=2x+4
Click here to see answer by nyc_function(2733) About Me 

Question 347090: The calorie - nutrient information for an apple and an avocado is given in the table. How many of each should be eaten to get exactly 1000 calories and 100 grams of carbohydrates?

One Apple One Avocado
Calories 100 350
Carbohydrates (grams) 24 14
________________________________________

Click here to see answer by mananth(12270) About Me 

Question 346956: A person is biking 8m/s when the bike passes a car. The car starts from rest and accelerates at 3m/s. How long will it take for the car to catch up with the bike.
Click here to see answer by ankor@dixie-net.com(15746) About Me 

Question 347160: Can i get some help in solving this equation please
7m-2n/5 - 2m-9n/3

Click here to see answer by CharlesG2(828) About Me 

Question 347191: graph and find the equation of the following lines
line passing through the point (-2,4) and with slope 1/2

Click here to see answer by rfer(12730) About Me 

Question 347123: In a class of 18 students, there are 1/2 as many girls as boys. How many girls? How many boys?
I know the answer is 12 boys and 6 girls, but how do you write the equation and solve. I think it is 18=b+b1/2 but I am having difficulty solving.

Click here to see answer by rfer(12730) About Me 

Question 347236: I have three questions...need help fast
1)If the inflation rate is 3%, how much will a house now worth $510,000 be worth in 5 years?

2)The doorway into a room is 4 feet wide and 8 feet high.
What is the length of the longest rectangular panel that can
be taken through this doorway diagonally?
3)When the shot is released at an angle of 65°, its path can be modeled by the function f(x)= -0.04x + 2.1x+6.1
in which is the shot’s horizontal distance, in feet, and f(x)
is its height, in feet. This function is shown by one of the
graphs, (a) or (b), in the figure above. Use the function to
determine the shot’s maximum distance. Use a calculator
and round to the nearest tenth of a foot.Which graph, (a)
or (b), shows the shot’s path?

Click here to see answer by solver91311(17077) About Me 

Question 347274: please solve my problem: 2v+18=16-4(v+7)
Click here to see answer by checkley77(12569) About Me 

Question 347280: 4x-2=3x=4
Click here to see answer by rfer(12730) About Me 

Question 347275: please solve my problem: 4x-(9-3x)=8x-1
Click here to see answer by rfer(12730) About Me 

Question 347269: please solve my problem: 12(3+y)=5(2y+8)
Click here to see answer by checkley77(12569) About Me 

Question 347301: what is m=37 for 23+m=60
Click here to see answer by rfer(12730) About Me 

Question 347263: The doorway into a room is 4 feet wide and 8 feet high.
What is the length of the longest rectangular panel that can
be taken through this doorway diagonally?

Click here to see answer by checkley77(12569) About Me 

Question 347439: Four times the sum of a number and two increased by three is at least twenty-seven
Click here to see answer by fractalier(2101) About Me 
Question 347439: Four times the sum of a number and two increased by three is at least twenty-seven
Click here to see answer by stanbon(57967) About Me 

Question 347500: what is the answer to -4p-3=2+p? I get negatives mixed up
Click here to see answer by fractalier(2101) About Me 

Question 347566: Could you please help me solve 2y^3-11y^2+12y=0?
I'm completely blank and very tired and can't think anymore (had a volleyball game today after school and am trying to do loads of homework tonight).
Here's what I tried:
2(y.y.y)-11(y.y)+12y=0
2(y)-11+12y=0
-11+14y=0
+11 = +11
14y=11
___ ____
14 14
y=11/14
Thank you so much for your time and help.
Darlyn

Click here to see answer by haileytucki(390) About Me 

Question 347602: the sum of three consutive integers is 93 find the integers?
Click here to see answer by Fombitz(13828) About Me 

Question 347595: On his last 3 math tests, Mark scored 85,95 and 80. what grade must he get on his next test to have an average of 90 for all four tests?
Click here to see answer by Fombitz(13828) About Me 

Question 347662: if x^8+1/x^8=2207 find the value of x+1/x
Click here to see answer by Fombitz(13828) About Me 

Question 347667: find the equation of the line whose slope (m) is -3/4 and which passes through the (8,-2)
Click here to see answer by Fombitz(13828) About Me 

Question 347655: -8(x-1)=6x+9
Click here to see answer by unlockmath(1614) About Me 

Question 347620: 2. Solve the following equations for x.
(a) 4x + 6 = 30
(b) 5(x – 4) = 3x + 10

Click here to see answer by checkley77(12569) About Me 
Question 347620: 2. Solve the following equations for x.
(a) 4x + 6 = 30
(b) 5(x – 4) = 3x + 10

Click here to see answer by rmcaz79(8) About Me 

Question 347710: 2(6-4d)=25-9d
Click here to see answer by rmcaz79(8) About Me 

Question 347712: Sam evaluated the expression x2y for x = 7 and y = 9. He got a value of 49. Which of the following statements is correct.
A) Sam's answer is correct.
B) Sam forgot to multiply.
C) Sam squared wrong.

Click here to see answer by Fombitz(13828) About Me 

Question 347761: can you show me how to factor 9x-108?
Click here to see answer by Alan3354(31518) About Me 

Question 347769: find the inverse of: f(x)=3x+6
Click here to see answer by stanbon(57967) About Me 

Question 347771: find all solutions for x: square rt. of x^2+7=4
Click here to see answer by Fombitz(13828) About Me 

Question 347801: let x represent one number and let y represent the other number. the sum of two numbers is 6. if the second number is subtracted from the other, the result is 0. find the numbers
Click here to see answer by stanbon(57967) About Me 

Question 347766: solve for x:
x+4/5+x-1/4=37/10

Click here to see answer by Fombitz(13828) About Me 
Question 347766: solve for x:
x+4/5+x-1/4=37/10

Click here to see answer by unlockmath(1614) About Me 

Question 347811: Gina rented a moon-walk for 5 hours at a total of $230. Lori rented the same moon-walk for 2 hours at the total cost of $125. how much is the set-up fee? what is the hourly rental fee?
Click here to see answer by josmiceli(9817) About Me 

Question 347903: 8ft5in.-4ft8in.=
Click here to see answer by ewatrrr(10682) About Me 

Question 347930: in the equations y= -2x-4 the slope is
Click here to see answer by nerdybill(7003) About Me 

Question 347967: Write simplified form, list restrictions:
h(x)=(4-x)/(12x-48)

Click here to see answer by jim_thompson5910(28715) About Me 

Question 347987: Perform indicated operations, simplify when poss.
((8)/(9y))-((5)/(18y^2))

Click here to see answer by ewatrrr(10682) About Me 

Question 347985: Multiply and if possible simplify
((5t^3)/(4t-8))((6t-12)/(10t))

Click here to see answer by haileytucki(390) About Me 

Question 347989: A trough is 12 feet long, 3 feet deep, and 3 feet wide. Find the depth of the water when the trough contains 70 gallons(1 gallon is about 0.13368 cubic foot).
Click here to see answer by checkley77(12569) About Me 

Question 348020: what is the answer to 6x+3+2x+5 showing the work?
Click here to see answer by jim_thompson5910(28715) About Me 

Question 348032: what is the answer to 6x+3=2x+5 showing the work
Click here to see answer by Alan3354(31518) About Me 

Question 348030: Perform indicated operations, simplify when possible
(x-7)/(x^2-16)-(x-1)/(16-x^2)

Click here to see answer by Jk22(389) 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