# 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!

 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 317227: John bought a .60 donut and .35 cup of coffee. How much did John leave for a tip and taxes if he spent 1.25? Assign a variable and write an equation for the situation then solve. Click here to see answer by JBarnum(2044)

 Question 317249: Solve. Dana drove her car from her house to her school. She went 7 miles due west and 3 miles due south. How far is Dana's house from the school? Click here to see answer by JBarnum(2044)

 Question 317247: Solve. A pool table is 95 inches long and 51 inches wide. What is the length of the diagonal of the pool table? Click here to see answer by Jstrasner(106)
 Question 317247: Solve. A pool table is 95 inches long and 51 inches wide. What is the length of the diagonal of the pool table? Click here to see answer by JBarnum(2044)

 Question 317246: Solve. A high school basketball court is 84 feet long and 50 feet wide. What is the diagonal length of the court? Click here to see answer by Jstrasner(106)

 Question 317243: Solve. Find the length of the diagonal of a rectangle shaped book that has a length of 6 inches and width of 5 inches. Click here to see answer by Jstrasner(106)

 Question 317245: Solve. Selma is flying a kite. She lets out 80 feet of string. Her brother moves to a point where he is standing directly under the kite. He measures this distance to be 30 feet. How high is the kite? Click here to see answer by JBarnum(2044)

 Question 317272: Divide and simplify 5x-10/33 divided by x-2/6x Click here to see answer by Fombitz(13828)

 Question 317306: (x-2)(x-3) PLEASE SHOW ALL STEPS THANK YOU. Click here to see answer by jim_thompson5910(28598)

 Question 317310: find the value of a in this proportion (a+1)/4=2/3 Click here to see answer by jim_thompson5910(28598)

 Question 317326: Please Translate the following into algebraic equation, the sum of a number and 2 is 12. Click here to see answer by Alan3354(30993)

 Question 317166: Bill had x dollars and he bought y apples for 16 cents each and z pears for 12 cents each. How many cents did he have left? Click here to see answer by ankor@dixie-net.com(15663)

 Question 317335: the perimeter of a triangle is 110 cm one side is twice the second side the third side is 30 cm more than the second side find the length of both side find the length of each side Click here to see answer by mananth(12270)

 Question 317338: in a traingle one angle is twice the measure of the second angle the third angle is three times the measure of the second angle .find the measure of each angle Click here to see answer by checkley77(12569)

 Question 317336: in an isoscele triangle one angle is three times the measure of one of the equal angles, find the measureof each angle Click here to see answer by stanbon(57412)

 Question 317337: the perimeter of a rectangle is 42 meters the lengh of the rectangle is 3 meters less than twice the width ,find the length and width of the rectangle Click here to see answer by checkley77(12569)
 Question 317337: the perimeter of a rectangle is 42 meters the lengh of the rectangle is 3 meters less than twice the width ,find the length and width of the rectangle Click here to see answer by stanbon(57412)

 Question 317341: x+6=-3 Click here to see answer by jim_thompson5910(28598)

 Question 317395: Solve for the variable. Noninteger answers may be left in fractional or decimal form. 5/6y + 4/9 = 1/6y - 2/5 I can not solve it! can you should me how to work it out? Click here to see answer by jim_thompson5910(28598)

 Question 317458: Could you show me how to factor by grouping? I have two problems I have been working on but do not understand how to get the final answers to the problems;1.21u^2-40u-21;2.5c^2+18c-35 Click here to see answer by JBarnum(2044)

 Question 317459: I have been working on this and can't seem to get the answer can you help? A rectangular table is four times as long as it is wide. The area of the table is 100ft^2. I can only get so far with it and keep getting the answer wrong. Can you show me how to do it so I can see where I am messing up. Click here to see answer by Fombitz(13828)
 Question 317459: I have been working on this and can't seem to get the answer can you help? A rectangular table is four times as long as it is wide. The area of the table is 100ft^2. I can only get so far with it and keep getting the answer wrong. Can you show me how to do it so I can see where I am messing up. Click here to see answer by JBarnum(2044)

 Question 317455: I am having trouble factoring trinomials. Can you help me with the following problems:1. 2a^2-a-15;2.30c^2+19c-63:3.20c^2-13c-15;5c^2+18c-35. I have been working on them for two days and can not get them factored out completely, I get so far and still get the wrong answers. Click here to see answer by JBarnum(2044)

 Question 317497: Solve each system by addition. x + y = 7 x – y = 9 Click here to see answer by JBarnum(2044)

 Question 317510: Find the vertex, the line of symmetry of x is. f(x) = 1/2 (x+8)^2 + 2 Click here to see answer by Fombitz(13828)

 Question 317504: Solve. x^2 + 18 - 4 = 0 Click here to see answer by Fombitz(13828)

 Question 317502: Find the x-coordinate of the vertex, the y-coordinate of the vertex. f(x) = -2x^2 + 2x + 3 Click here to see answer by nyc_function(2733)
 Question 317502: Find the x-coordinate of the vertex, the y-coordinate of the vertex. f(x) = -2x^2 + 2x + 3 Click here to see answer by nerdybill(6963)

 Question 317527: Simplify. Use only positive exponents in your answer. 4z^7u^9 x 3y^-1z^-5 x 4u^-9y Click here to see answer by Fombitz(13828)

 Question 317525: (w^3)^-7 Click here to see answer by Fombitz(13828)

 Question 317574: Simplify. (-4w^2+2w+5)+(-4w^2-3w+9)-(5w-9) Click here to see answer by unlockmath(1603)

 Question 317615: Solve: x^2 + 18x - 4 = 0 Click here to see answer by checkley77(12569)

 Question 317618: Identify the degree of each term of the polynomial and degree of the polynomial. -5x^3 + 3x^2 + 8x + 4 Click here to see answer by Alan3354(30993)

 Question 317602: Solve 5x^2=10 and find the x intercepts of f(x) = 5x^2-10 Click here to see answer by checkley77(12569)

 Question 317584: Please solve for x 3/x=(x-4)/7 Click here to see answer by Alan3354(30993)

 Question 317623: Find the x-intercepts for the graph of the equation y = x^2 - 4x -5 The x-intercepts are Second Question: Multiply (-2m^2)^2 (4m^2)^2 Click here to see answer by checkley77(12569)

 Question 317577: Simplify. (b^3a^5z^6)/(b^4a) Click here to see answer by Fombitz(13828)

 Question 317603: Find the vertex, the line of symmetry, and the maximum or minimum value of f(x). f(x) = 1/2(x+8)^2 + 2 Click here to see answer by Fombitz(13828)

 Question 317528: Simplify. (-4t^2+2t+5)+(-4t^2-3t+9)-(5t-9) Click here to see answer by Fombitz(13828)

 Question 317652: Find a formula for the line intersecting the graph of f(x) at x=1 and x=19 where f(x)= 362/x^2+1 Click here to see answer by Fombitz(13828)

 Question 317524: Simplify. b^3a^5z^6/b^4a Click here to see answer by Fombitz(13828)

 Question 317659: I got solutions but wanted to check! Find all the real solutions of the following equation by first rewriting the equation as a quadratic equation. please explain your steps if your would? s^4 - 26s^2 + 25 = 0 thank you for your time! my answers were radical 1 and -radical 5 cz Click here to see answer by mananth(12270)

 Question 317688: 1) When getting into shape by exercising, the subject’s maximum recommended number of heartbeats per minute (h) can be determined by subtracting the subject’s age (a) from 220 and then taking 75% of that value. This relation is expressed by which of the following formulas? A. h = .75(220 – a) B. h = .75(220) – a C. h = 220 – .75a D. .75h = 220 – a E. 220 = .75(h – a) 2)An airplane flew for 8 hours at an airspeed of x miles per hour (mph), and for 7 more hours at 325 mph. If the average airspeed for the entire flight was 350 mph, which of the following equations could be used to find x ? A. x + 325 = 2(350) B. x + 7(325) = 15(350) C. 8x – 7(325) = 350 D. 8x + 7(325) = 2(350) E 8x + 7(325) = 15(350) Click here to see answer by mananth(12270)

 Question 317737: simplify: x+3 10=0 - x^2-2x x^2-4 the first row should be on top of the second row this is one problem. Click here to see answer by checkley77(12569)

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