Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 179662: What is the easiest way to express a number as a product of its prime numbers. Let's say 585. If I'm in a test how can i resolve this effectively? please help...
Thanks
Click here to see answer by Mathtut(3670)

Question 179672: Four Times the sum of three consecutive integers is 48.
a. write an equation that could be used to find the integers
b. what are the integers
I believe the answer is Integers: 3,4, and 5 because 3+4+5 = 12 * 4 = 48. but I do not know how to write the equation.
Click here to see answer by ankor@dixie-net.com(15651)

Question 179808: 2.65 x 10^3
Click here to see answer by stanbon(57342)

Question 179856: -5x=2/5
Click here to see answer by HyperBrain(694)

Question 179878: 125-8x3
Click here to see answer by Mathtut(3670)

Question 179879: ab-a-b+1
Click here to see answer by Mathtut(3670)

Question 179790: Solve by substituting
x + y + z = 8
-3x + 2y + 4z = 8
2x + 5y + 3z = 16
Click here to see answer by ankor@dixie-net.com(15651)

Question 179971: rearranging formula
T=20W+30 (FIND W)
A=LxB (FIND B)
N=6P+2 (FIND P)
K=8(M/5) (FIND M)
Click here to see answer by Mathtut(3670)

Question 180011: A cynlindrical water tank has a volume of 6(pie)x(to the power of 2)y(to the power of 4) cubic meters. The formula for the volume of a cylinder is (pie)r(to the power of 2)h. The water tank has a radius of xy meters. What is its height?
Click here to see answer by nerdybill(6958)

Question 180039: Hello.
Can I have some assistance in drawing the graph of linear function and give the domain and range.
2x-3y=6
Click here to see answer by Mathtut(3670)

Question 180041: I know the answer to my question, because I kept multiplying, but I don't know howto show my work as a stratey. The question is. In a math class of 26 students, each girl drew a triangle and each boy drew a rectangle. There were 92 slides in all. How may girls and how many boys were in the class. The answer I came up with was 16 girls and 11 boys.
Click here to see answer by nerdybill(6958)

Question 180077: x/3+2=0
Click here to see answer by stanbon(57342)

Question 179139: Find the value of the variable that satisfies the equation. Check your solution. Answers that are not integers may be left in fractional or decimal form.

8x=48+2x
Click here to see answer by HyperBrain(694)

Question 179132: y=1/2x+3
y=2x-1
Click here to see answer by HyperBrain(694)

Question 178777: Carlos can walk 8 miles in the same time it takes him to jog 12 miles. His jogging rate is 5 miles per hour faster than his walking rate. At what rate does he walk? How long does it take him to walk 8 miles?
Click here to see answer by HyperBrain(694)

Question 176472: x+5/3 = x+5/7
Click here to see answer by HyperBrain(694)

Question 171043: Solve using either substitution or addition method. Tell which method was used?
x=y+9
5x-3y=7
Click here to see answer by HyperBrain(694)

Question 170973: x^2-6x+5>0
Click here to see answer by HyperBrain(694)

Question 180133: Factor Polynomial completely.
4a^3b-5a^2b^2-6ab^3
Click here to see answer by Mathtut(3670)

Question 180134: Hi I have a problem that is tricky, a bicyclist and a hiker leave the same place at the sametime and travel in the same direction. The bicyclist travels three times as fast as the hiker. At the end of 3 hrs they are 24 miles apart. How fast does the hiker travel.
I tried looking at all angles but could not get a suitable ,if you could provide a suitable formula using x + y. Thanks This is a uniform motion problem from a study unit book for an on line course from penn foster its algebra part 3. 2469C-1
Click here to see answer by Alan3354(30993)

Question 180187: find the equation of the line that contains (-2, 8) and has a slope 1/2.
thanks a lot for helping me out! :)
Click here to see answer by solver91311(16885)

Question 180187: find the equation of the line that contains (-2, 8) and has a slope 1/2.
thanks a lot for helping me out! :)
Click here to see answer by stanbon(57342)

Question 180209: I've been trying to figure this problem out but I just don't know how to do it. Any help would be greatly appreciated
6 gum drops and 10 lollipops cost $1.36, but 6 lollipops and 10 gum drops cost $1.20, how much does each lollipop and gum drop cost?
Click here to see answer by mgmoeab(28)

Question 180191: find the equation of the line that contains the point (2,-5) and is parallel to the line y=5/2x-4
thanks for the help!!
Click here to see answer by Fombitz(13828)

Question 180195: find the equation of the line that contains the point (3,2) and is perpendicular to the line 3x+y= -3
thanks for the help!

Click here to see answer by mgmoeab(28)

Question 180220: 14m=18+12m

Click here to see answer by Mathtut(3670)

Question 180237: I got this problem:
For a given two-digit positive integer, the tens digits is 5 greater than the units digit. the sum of the digits is 11. Find the integer.
I got so far this:
x(!0(5) + y(!) = 11. But that i'm not going any where. Can you tell me please what is wrong with my reasoning and can solve this.
Thank you as always
Click here to see answer by Mathtut(3670)

Question 180239: This is actually a word problem!
To create a breakfast beverage, cherry juice in two concentrations, 19% and 60%, must be combined into a solution that will be mixed with another type of juice to produce the beverage. If 70 gallons of 19% juice is used, how many gallons of the 60% juice must be used to obtain a 50% cherry juice solution?
Click here to see answer by Mathtut(3670)

Question 180244: I have another problem and i came up with 218.29 and the book with 220.
John Doe's weekly salary was increased 8 percent to $237.60 what was her weekly salary before the increase.?
LEt me know that is right and why my answer could be wrong?
Thanks a million
Click here to see answer by Mathtut(3670)

Question 180286: Word problem: Find two consecutive even integers such that the smaller integer subtracted from twice the larger gives a difference of 10. find the two even integers.
I go the answers just by trial and error as: 6 & 8 but is there a formula to use for this problem? thanks
Click here to see answer by Mathtut(3670)

Question 180268: x2-4x-4
Click here to see answer by edjones(7569)

Question 180269: x^6-3x^3-18=0
Click here to see answer by stanbon(57342)

Question 180364: Could you please go to page 56? I need the answers 16,17,18,&20 answered please.
Thanx
Click here to see answer by Mathtut(3670)

Question 180378: Solve for x
2/5 + 1/4 = x – 1/2
Click here to see answer by Mathtut(3670)

Question 180376: Solve for x
–15 + x - 5 = 20 - 15 + 3
Click here to see answer by Mathtut(3670)

Question 180382: Solve for x present your answer in decimal form
- 4.5x + 2.4 = - 3.7x - 3.1

Click here to see answer by Mathtut(3670)

Question 180377: Solve for x
5/6 + x = 1/3 + 3/4
Click here to see answer by Mathtut(3670)

Question 180387: 2/3x - 3/4 = x+1
Click here to see answer by Mathtut(3670)

Question 180388: 2x-1 (on top) divided by 3 (on bottom) + 1/2 = x-1
Click here to see answer by Mathtut(3670)

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