Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 924442: Please help. Find the ratio of x to y. x+y/x-y=a/b. Thanks for your help.
Click here to see answer by Fombitz(32388)

Question 924442: Please help. Find the ratio of x to y. x+y/x-y=a/b. Thanks for your help.
Click here to see answer by Alan3354(69443)

Question 924371: PLEASE HELP ME IF ANY ONE CAN PLEASE
IF(3Y-1)(2Y+K)=AY^2+BY-5 FOR ALL VALUES OF Y,WHAT IS THE VALUE OF A+B?
Click here to see answer by Fombitz(32388)

Question 924436: f(x)=x^2-3 the domain is {-1/2,1/4,1/2}. Determine the range. Thanks for your help.
Click here to see answer by Edwin McCravy(20054)

Question 924465: Write these rules as a formula. Use the first letter of each variable (printed in bold type).
Mum�s age is always joey`s plus 39.
Click here to see answer by MathLover1(20849)

Question 924484: Here are the first five terms of a sequence:
2,2,0,,-4,-10
An expression for the nth term of this sequence is 3n-n^2
Write down, in terms of n,an expression for the nth term of a sequence whose first five terms are:
4,4,0,-8,-20
Please help :)
Click here to see answer by MathLover1(20849)

Question 924533: How many ounces of ceylon tea worth 1.50 per ounce and how many ounces of formosa tea worth 2.00 per ounce must be mixed to obtain a mixture of 8 ounces that is worth 1.85 per ounce..

Please include a chart
Click here to see answer by stanbon(75887)

Question 923663: (X+y)(x^2-2xy-2)=?

Click here to see answer by Fombitz(32388)

Question 924616: Help I don't know how to solve this.
-6=x/15
Click here to see answer by TimothyLamb(4379)

Question 924692: Identify the coordinates of four points on the line when slope =5, y-intercepted= -1
Click here to see answer by MathLover1(20849)

Question 924720: -3(3x + 15) - (10 + x) = 35
Click here to see answer by srinivas.g(540)

Question 924746: I have 7 quizzes each quiz is worth 100 points the average that I need is a 75 what is the lowest grade I can make on each quiz to get an average of 75 points ?
Click here to see answer by TimothyLamb(4379)

Question 924820: Please help. If s varies directly as r^2, and s=64 when r=2. Find s when r=5. Thanks for your help.
Click here to see answer by rothauserc(4718)

Question 924876: please help me.......
if a+b=11 and a-b=7,then ab=
Click here to see answer by ewatrrr(24785)

Question 924875: please help me..........
if(a+b)^2=9 and (a-b)^2=49,what is the value of a^2+b^2
Click here to see answer by MathLover1(20849)

Question 924911: Find the center (h,k) and radius r of the circle with the given equation.
4x^2+4y^2-12x+16y-5=0
Can you please break it down in simple steps?
Click here to see answer by ewatrrr(24785)

Question 924908: 4x^2+4y^2-12x+16y-5=0
Can you please break it down in simple steps?
Click here to see answer by Fombitz(32388)

Question 925029: Can you please help me figure out what b is in this equation 5b+10=8b-12
Click here to see answer by brysca(112)

Question 925046: I need help big time

can anyone help me

For the given polynomial P(x)and c=1/2 use the reminder theorem to find P(c)
P(x)=x^5+x^4-x^3+9
P(c) for the given value of c is equal to ?____
Click here to see answer by jim_thompson5910(35256)

Question 925047: I need help big time Can anyone help me I TRIED IT A FEW TIMES AND I STILL GOT IT WRONG

For the given polynomial P(x)and c=1/2 use the reminder theorem to find P(c)
P(x)=x^5+x^4-x^3+9
P(c) for the given value of c is equal to ?____
Click here to see answer by Edwin McCravy(20054)

Question 925125: The cost of 8 muffins and 2 quarts of milk is $18. The cost of 3 muffins and 1 quart of milk is $7.50. How much does 1 muffin and 1 quart of milk cost?
Click here to see answer by TimothyLamb(4379)

Question 925220: Okay this one got me.
Carlo's age is 7/10 of mark's. Four years from now, carlo's age will be 8/11 of mark's age. How is carlo?
This is my equation.
X is carlo
7/10x is mark
X +4 = 8/11(7/10x + 4)
Am i on the right track?
Click here to see answer by rothauserc(4718)

Question 925295: If each of the two equal angel of an isosceles triangle is four times the third angle, find the three angles of the triangle.
Click here to see answer by rfer(16322)

Question 925324: Solve for x the following quadratic equations by factoring
X squared +4x+3=0
Click here to see answer by TimothyLamb(4379)

Question 925324: Solve for x the following quadratic equations by factoring
X squared +4x+3=0
Click here to see answer by MathLover1(20849)

Question 925362: The left and right page numbers of an open book are two consecutive integers whose sum is 359. Find these page numbers
Click here to see answer by TimothyLamb(4379)

Question 925403: please help me please
x-z=7
x+y=3
z-y=6
for the above system of the three equations,x=
Click here to see answer by ewatrrr(24785)

Question 925406: please help me please...........
if x^2=r^2+2rs+s^2,y^2=r^2-s^2,x>0,and y>0,then x/y=
Click here to see answer by ewatrrr(24785)

Question 925412: please help me please..............
if (x+7)(x-3)=0,then x=? options are
(A)7 OR 3
(B)7 OR -3
(C)-7 OR 3
(D)-7 OR -3
(E) -4 OR -3 PLEASE TELL ME ACCORDING TO THE OPTIONS PLEASE
Click here to see answer by ewatrrr(24785)

Question 925402: please help me if any of you can please..........
if m+p+k=70,p=2m and k=2p,then m=?
Click here to see answer by ewatrrr(24785)

Question 925422: How to solve each system by elimination.
5x + y = 9
10x - 7y = -18
Click here to see answer by MathLover1(20849)

Question 925404: please help me i am stuck on this question.......
if r^8=5 and r^7=3/t^2,what is the value of r in terms of t?
Click here to see answer by rothauserc(4718)

Question 925460: I am trying to find the inverse variation equation for this problem involving a bridge length experiment. I have found that an equation 96=yx but this does not work for the other points that are in the table. The points that are given are (4,24) (6,16) (8,13) (9,11) and (10,9) we have went over this type of problem but we haven't went over on how to do it for a bridge-length experiment.
Click here to see answer by jim_thompson5910(35256)

Question 925613: If one root of the equation x^2-12x-P=0 is the square of the other, then find the value of P?
Click here to see answer by josgarithmetic(39616)

Question 925613: If one root of the equation x^2-12x-P=0 is the square of the other, then find the value of P?
Click here to see answer by Edwin McCravy(20054)

Question 925613: If one root of the equation x^2-12x-P=0 is the square of the other, then find the value of P?
Click here to see answer by MathTherapy(10551)

Question 925619: A train leaves station Y and travels west at 75kph. Two hours later, a second train leaves the same station on a parallel track and travels west at 125 kph. How far from the station will they meet?
Click here to see answer by ewatrrr(24785)

Question 925640: gud pm may i ask this... how many pounds of a 35% salt solution and how many pounds of a 14% salt solution should be combined so that 50 lb of a 20% salt solution is obtained.?
2. Two airplaines, travelling in opposite direction, leave an airport at the same time. if one plane 480 mph and the other average 520 mph. how will it take before they are 2000 miles apart?

Click here to see answer by stanbon(75887)

Question 925611: Please Help!!! Q)Four friends A,B,C and D together fave 120 marbles. The number of marbles with A is 1/4 the total number of marbles with the other three. Marbles with B is 1/3 of the total marbles with the other three. C has 3/7 of the marbles with others. Who among A,B,C and D has the most of marbles?
Click here to see answer by rothauserc(4718)

Question 925612: If one root of the equation x^2-10x+16=0 is half of the one of the roots of x^2-4Rx+8=0. Find the value of R if it is known that both the equation have integral roots.? Someone please help
Click here to see answer by rothauserc(4718)

Question 925610: Please Help!!! Q) In a school 5/2 times the square root of the total number of children play football, one fourth of the total number of children play tennis and the remaining 28 children play basketball. Find the total number of children in school??
Click here to see answer by MathLover1(20849)

Question 925681: PLEASE HELP ME I AM NOT GETTING THIS QUESTION....
IF a^2/2=2a,then a equals to
(a)0 or -2
(b)0 or 2
(c)0 or -4
(d)0 or 4
(e)2 or -2 please tell me according to the caps
Click here to see answer by Theo(13342)

Question 925685: PLEASE HELP ME IF ANY ONE CAN..........
IF X^2/3=X,THEN X=
(A)0 OR -3
(B)3 OR -3
(C) 3 ONLY
(D)0 OR 3
PLEASE ANSWER ACCORDING TO THE CAPS
Click here to see answer by ewatrrr(24785)

Question 925687: PLEASE HELP ME I AM STUCK ON IT
BY HOW MUCH DOES THE SUM OF THE ROOTS OF THE EQUATION (X+1)(X-3)=0 EXCEED THE PRODUCT OF ITS ROOTS?
(A)1
(B)2
(C)3
(D)4
(E)5
Click here to see answer by Theo(13342)

Question 925683: PLEASE HELP ME IF ANYONE CAN
FOR WHICH OF THE FOLLOWING EQUATIONS IS X=-2 a ROOT?
(1)2/X-X=0
(2)X^2+4=0
(3)X^7+4X+4=0
Click here to see answer by CharlesG2(834)

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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, 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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