Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 43736: can you help me to solve for x in terms of y and solve for y in terms of x for the following equation.
3y^2+4xy-9y^2=-1
Email - acrown1@umbc.edu
Click here to see answer by stanbon(75887)

Question 43724: 10.
Adult tickets for a play cost $11 and child tickets cost $10. If there were 23 people at a performance and the theater collected $246 from ticket sales, how many children attended the play?

A) 8 children B) 16 children C) 7 children D) 6 children

Click here to see answer by aaaaaaaa(138)

Question 43720: 7.
Rewrite the equation 4x � 6y = �30 as a function of x.

Click here to see answer by aaaaaaaa(138)

Question 43739: solve: 2x=7x-10
Click here to see answer by mbarugel(146)

Question 43786: where did algebra get its name

Click here to see answer by Nate(3500)

Question 43807: what is the x-intercept of:
3x+4y=12?
I put the equation into standard form, but i dont know where to go from there...
Standard: y=-.75x+3
(y=mx+b)
Click here to see answer by Nate(3500)

Question 43847:
Tell how many solutions the system has. Do not actually solve.
2x - y = 5
-4x + 2y = -18
Click here to see answer by checkley71(8403)

Question 43925: Decide whether or not each equation has a circle as its graph. If it does give the center and the radius.
x^2+8x+y^2-6y+16=0
acrown1@umbc.edu
Click here to see answer by fractalier(6550)

Question 43922: Please solve the following by factoring: x^-4x-5=0

Click here to see answer by tutorcecilia(2152)

Question 43849: Solve the system by substitution.
x + y = -7
x - y = 13
Click here to see answer by adamchapman(301)

Question 43849: Solve the system by substitution.
x + y = -7
x - y = 13
Click here to see answer by fractalier(6550)

Question 43848: Solve the system by elimination. If the system is inconsistent or has dependent equations, say so.
-7x + 5y = -20
-3x - 2y = 8
Click here to see answer by fractalier(6550)

Question 43967: Decide whether or not each equation has a circle as its graph. If it does give
the center and the radius.
x^2+8x+y^2-6y+16=0
Click here to see answer by fractalier(6550)

Question 43972: 3R-2=-9+2R
Click here to see answer by adamchapman(301)

Question 43984: Please help with the following. Last one i promise. thanks in advance
Find all solutions of the equation.
9x^3 - 24x^3 + 16x^2 = 0
thanks

Click here to see answer by adamchapman(301)

Question 43983: Please help with the following:
Find all solutions of the equation.
x^6 - 64 = 0
thank you
Click here to see answer by jake_6233(74)

Question 43983: Please help with the following:
Find all solutions of the equation.
x^6 - 64 = 0
thank you
Click here to see answer by adamchapman(301)

Question 43981: Please help with this:
Use the Quadratic Formula to solve the quadratic equation.
x^2 - 2x + 2 = 0
thank you
Click here to see answer by adamchapman(301)

Question 43982: Please help with this.
Use the Quadratic Formula to solve the quadratic equation.
7/8x^2 - 3/4x + 5/16 = 0
thank you
Click here to see answer by adamchapman(301)

Question 44042: graph the inequality y is greater than or equal to 1
Click here to see answer by Nate(3500)

Question 44044: find the slope of any line parallel to the line through points (15,1) and (4,2)
Click here to see answer by venugopalramana(3286)

Question 44059: solve each of the following systems by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.
10x+2y=7
y=-5x+3
Click here to see answer by venugopalramana(3286)

Question 44057: solve each of the following systmes by substitution.
4x-12y=5
-x+3y=-1
Click here to see answer by venugopalramana(3286)

Question 44056: solve each of the following systems by sustitution.
8x-4y=16
y=2x-4
Click here to see answer by venugopalramana(3286)

Question 44055: solve each of the follwing systems by substitution.
5x-2y=-5
y-5x=3
Click here to see answer by venugopalramana(3286)

Question 44052: slove each of the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.
x+5y=10
-2x-10y=-20
Click here to see answer by venugopalramana(3286)

Question 44051: Solve each of the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.
2x+3y=1
5x+3y=16
Click here to see answer by venugopalramana(3286)

Question 44050: solve each of the following systems by graphing
3x-6y=9
x-2y=3
Click here to see answer by venugopalramana(3286)

Question 44049: solve each of the following systems by graphing
x-2y=8
3x-2y=12
Click here to see answer by venugopalramana(3286)

Question 44061: solve the following problem, be sure to show the equation used for the solution.
The lenght of a rectangle is 2in. more than twice its width. if the perimeter of the retangle is 34 in., find the dimensions of the rectangle.
Click here to see answer by venugopalramana(3286)

Question 44054: A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two types are to be mixed to create 100lb. of a mixture that will sell for $11.25 per pound. How many of each type of bean should be used in the mixture?
Click here to see answer by venugopalramana(3286)

Question 44048: find the values for me and b in the following system so that the solution to the system is (-3,4)
5x+7y=b
mx+y=22
Click here to see answer by venugopalramana(3286)

Question 44046: The area of a triangle is 12 inches. The height is 1/2 of the base minus 1. What is the base of the triangle?
Click here to see answer by venugopalramana(3286)

Question 44053: Jill has $3.50 in nickels and dimes. If she has 50 coins, how many of each type of coin does she have?
Click here to see answer by fractalier(6550)

Question 44041: graph the inequality y is less than or equal to -4
Click here to see answer by fractalier(6550)

Question 44047: slove each of the following systems by graphing.
2x-y=4
2x-y=6
Click here to see answer by adamchapman(301)

Question 44047: slove each of the following systems by graphing.
2x-y=4
2x-y=6
Click here to see answer by fractalier(6550)

Question 44035: Solve each system by substitution. Determine whether each system is independent, inconsistent, or dependent.
18. 5x-6y=23
x=6-3y
Click here to see answer by adamchapman(301)

Question 44043: graph the inequality y is greater than or equal to 3x
Click here to see answer by fractalier(6550)

Question 44171: Please help with the folllowing:
Use the quadratic formula to solve the quadratic equation
9x^2-6x+37=0

thank you
Click here to see answer by adamchapman(301)

Question 44172: Please help with the following:
Use the quadratic formula to solve the quadratic equation.
7/8(x^2)- 3/4(x) + 5/16 = 0
thanks
Click here to see answer by adamchapman(301)

Question 44173: please help with this,
Find ALL solutions of the equation. I need to show all possible solutions. thanks
9x^4 - 24x^3 + 16x^2 = 0
thanks
Click here to see answer by adamchapman(301)

Question 44174: Please help with the following, I need to show all possible solutions. thanks
Find all solutions of the equation.
x^6 - 64 = 0

thanks
Click here to see answer by adamchapman(301)

Question 44244: solve this system by substitution
8x-4y=16 y=2x-4
Click here to see answer by benni1013(206)

Question 44273: The problem ask to "Find the solution and write each solution set in interval notation, and graph it".
6x-(2x+3)>4x-5
acrown1@umbc.edu
Click here to see answer by adamchapman(301)

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, 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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, 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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