Questions on Algebra: Equations answered by real tutors!

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Question 345383: 2/3x+1.3=.4x+2

and

2x+7/3=5x-10/11
Click here to see answer by haileytucki(390)

Question 345374: A theater owner want to divide an 1800 seat theatre in 3 sections. With tickets costing 20, 35, and 50. He wants to have twice as many 20 dollar tickets as the sum of the other tickets and he wants to earn 48,000 from a full house. To find out how many seats in each section, solve the equations.
x+y+z=1800
x=2(y+z)
20x+35y+50z=48,000
Click here to see answer by Fombitz(13828)

Question 345431: MULTIPLY
(-3z)^2(4z^8)^2 =
Click here to see answer by haileytucki(390)

Question 345440: 0.2(2y+4)=6
Click here to see answer by haileytucki(390)

Question 345461: A ball falls from the top of a roof 320 feet above the ground. The formula h = -16t2 + 16t + 320 described the height of the ball above the ground, h, in feet, t seconds after the fall begins. How long will it take the ball to strike the ground?
Click here to see answer by josmiceli(9650)

Question 345730: how do you solve this problem 15-3.2x=6.8
Click here to see answer by rfer(12645)

Question 345813: what is b+2(b+5)=3(b-1)+13
Click here to see answer by solver91311(16868)

Question 345933: simplify: -3(5y)-5+4(7y+9)
Click here to see answer by haileytucki(390)

Question 345917: Whats the answer to: Write 7 cubed times X squared as repeated multiplication
Click here to see answer by Fombitz(13828)

Question 345959: The length of a rectangle is 6 in. greater than the width. The perimeter of the rectangle is 24 in. Find the demensions of the rectangle.
How would I write out the equation? I believe the answer to be the length is 9 and the widt is 3...
Click here to see answer by haileytucki(390)

Question 346087: how many real solutions does x^4=7 have?
Click here to see answer by Fombitz(13828)

Question 346093: solve: sqrt(3-x)= -4
If you can could you also include you how you found the answer.
Click here to see answer by Fombitz(13828)

Question 346104: Subtract. Simplify if possible
20/y - 5 - 20/5 - y
Click here to see answer by Fombitz(13828)

Question 346108: Jack usually mows his own lawn in 7 hours. Marilyn can mow the same yard in 5 hours. How much time would it take them to mow it together???
Click here to see answer by nerdybill(6948)

Question 346097: (1/y-1)/[2+(1/y-1)]
please show how you got your answer thank you
Click here to see answer by Fombitz(13828)

Question 346140: Write 2x + y = 5 in polar form.
a. -sqrt 5 = r cos(theta - 27 degree)
b. sqrt 5 = r cos(theta - 27 degree)
c. -sqrt 5 = r cos(theta + 27 degree)\
d. sqrt 5 = r cos(theta + 27 degree)
Click here to see answer by CharlesG2(828)

Question 346100: The speed of train A is 8 mph slower than the speed of train B. Train A travels 200 miles in the same time it takes train B to travel 240 miles. Find the speed of each train???
Click here to see answer by nyc_function(2733)

Question 346158: Draw graph that represents a line whose parametric equation are: x = 2t -4 and y = -t + 2
Click here to see answer by Fombitz(13828)

Question 346135: Solve by the elimination method.
2r-7s=-38
7r+2s=79
Click here to see answer by Fombitz(13828)

Question 346184: (x+1)(X-2)=4
How would I solve if I set this equation to 0?
Click here to see answer by Fombitz(13828)

Question 346184: (x+1)(X-2)=4
How would I solve if I set this equation to 0?
Click here to see answer by nyc_function(2733)

Question 346182: a^3-2a^2-4a-8=0
How would I solve this?
Click here to see answer by Fombitz(13828)

Question 346182: a^3-2a^2-4a-8=0
How would I solve this?
Click here to see answer by CharlesG2(828)

Question 345827: 1/R=1/r1+1/r2 solve for r2
Click here to see answer by Fombitz(13828)

Question 346254: If someone traveled 77.3 miles at an average speed of 81.8 miles per hour. How long did the trip take?
Click here to see answer by user_dude2008(1861)

Question 346267: Amy paid $86.14 for a pair of running shoes during a 20%-off sale. What was the regular price?(round to the nearest cent if necessary)
Click here to see answer by ewatrrr(10682)

Question 346359: Find the LCM of x^2 + 16x + 64 and x^2 + 4x - 32
The LCM is????
Click here to see answer by checkley77(12569)

Question 346356: 2x-7=9-6x
Click here to see answer by checkley77(12569)

Question 346440: How do you solve 32/q=4
Click here to see answer by fractalier(2101)

Question 346444: How would I find the value of x in the problem -17-2x=6-x?
Click here to see answer by fractalier(2101)

Question 346489: |2x + 1| = |x − 4|
I know the smaller value for this equation is -5
But i cant figure out the larger value
Click here to see answer by Fombitz(13828)

Question 346486: |x − 22| = −5
What is the larger and smaller value?
Click here to see answer by Fombitz(13828)

Question 346590: how do i solve y+32=40

Click here to see answer by Alan3354(30966)

Question 346310: The largest meteorite in the world is Hoba West located in Namibia It's weight is 3 times the weight of the Armanty meteorite located in outer Mongolia If the sum of thier weight is 88 tons find the weight of each
Click here to see answer by nyc_function(2733)

Question 346680: Factor:
1a) 9a^2 - 16
1b) 3x^3-x^2+6x-2
Click here to see answer by JBarnum(2044)

Question 346597: how would i translate into mathematical expression ...8 more than 14 and a given number z is 37 ...thank you
Click here to see answer by ankor@dixie-net.com(15624)

Question 346732: The equation 2x^2+14x+3=0 has two solutions A and B. A= ___ and B= ___
Click here to see answer by ewatrrr(10682)

Question 346721: Solve the equation 1/x+3 - 1/x+4 = 1/2. The solutions are x1= ____ and x2= ____
Click here to see answer by Fombitz(13828)

Question 346814: Suppose wheat and sugar are two basic ingredients necessary to bake two items: a loaf of bread and a muffin. A baker has 25 pounds of wheat and 5 pounds of sugar. To bake each loaf of bread, the baker needs to use 1.3 pounds of wheat and 0.5 pound of sugar. To bake each muffin, the baker needs 0.4 pound of wheat and 0.15 pound of sugar.
a. Set up the inequalities representing the baker's possible choices for baking the number of loaves of bread and muffins to use up his available resources (wheat and sugar).
b. If each loaf of bread is sold for $2.50, and each muffin is sold for $1.15, define an equation to represent the baker's profit function.

Click here to see answer by solver91311(16868)

Question 346828: solve the equation for the indicated variable 5x-5=3x-9
Click here to see answer by rfer(12645)

Question 346376: How do I solve: 2s+3r=8 solve for r
Click here to see answer by nyc_function(2733)

Question 346719: Find all solutions of the equation x^2+2x+7=0 and express them in the form a+bi
Click here to see answer by nyc_function(2733)

Question 346886: how to -6x+3=-7-8x
Click here to see answer by rfer(12645)

Question 346934: You earn $9 per hour. On major holidays, such as Thanksgiving, you earn twice as much per hour. You earned a total of $405 for the week including thanksgiving. Write and solve an equation to find how many hours you worked on thanksgiving if you worked 35 hours during the rest of the week.
Click here to see answer by mananth(12270)

Question 346936: x^2-16/x^2-2x-8*x=2/x^2
Click here to see answer by haileytucki(390)

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