Questions on Algebra: Equations answered by real tutors!

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Question 1052442: One number is five times as large as another number. Their sum is 78. Write two equations that could be used to solve the system.
Click here to see answer by ikleyn(52776)

Question 1052603: The perimeter of a bulletin board is 136. The length is represented as 2 more than 2 times the width. The width is represented as w. What are the dimensions of the bulletin board?
Click here to see answer by Fombitz(32388)

Question 1052643: X/5+Y/6=X/6+Y/5=28 , FIND THE VALUE OF X& Y

Click here to see answer by Fombitz(32388)

Question 1052678: (5^x)*(5^3+x)=(1/125)
Click here to see answer by Alan3354(69443)

Question 1052682: Pure acid is to be added to a 5% acid solution to obtain 95 liters of 14% solution. What amounts of each should be used?
Click here to see answer by Alan3354(69443)

Question 1052689: Solomon went to the shopping centre to buy supplies for his mathematics project. He spent half of what he had plus R2 in the first shop, half of what he then had plus R1 in the second shop, half of what he then had plus R1 in the third shop and in the fourth shop half of all he had left. Three rands was left. How much money did he start with?
Click here to see answer by Fombitz(32388)

Question 1052781: The slope is 4,the line passes through the point (-2,-1)
Click here to see answer by josgarithmetic(39616)

Question 1052860: E/x=C+3/x to find c, the number of cartons that were packed.
a. C=E-3/x
b. C=E/x-3
c. C=E/3-x
d. C=3-E/x
Click here to see answer by Boreal(15235)

Question 1052865: The slope is -2 and containing a point (4,4) whats the equation?
Click here to see answer by Boreal(15235)

Question 1052967: 1. Solve the system of equations below. Show all work!
2x + y � z = 5
2x + 8y + 4z = 32
30x + 12y � 4z = 24
Answer:

Click here to see answer by Alan3354(69443)

Question 1053028:
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Question 1053041: a candy store owner wants to mix jelly beans costing $4 per pound with some cherry sours costing $3.50 per pound to obtain a 10-pound mixture costing $3.85 per pound. How many pounds of each type on candy should be used?
Click here to see answer by ikleyn(52776)

Question 1053004: find equation of line passes through (5,-1)and is parallel to the line 2x+5y=15
Click here to see answer by Alan3354(69443)

Question 1053170: The width of a rectangle is 5 ft less than the length. The area of the rectangle is 300 ft^2. Find the length and width of the rectangle.
Click here to see answer by ikleyn(52776)

Question 1053168: x^3-5x^2-25x+125
Click here to see answer by ikleyn(52776)

Question 1053169: The height of a triangle is 4 cm more than twice the length of the base. The area of the triangle is 24 cm^2. Find the height of the triangle.
Click here to see answer by ikleyn(52776)

Question 1053173: 512a^3+27
Click here to see answer by solver91311(24713)

Question 1053122: if 2a+3 divided by 5 = a/2, then a+3=?
Click here to see answer by Fombitz(32388)

Question 1053125: A wheel has a radius of 9 inches. If the wheel is rolled on a flat
surface, how many revolutions will it take for the wheel to travel
900π inches?
Click here to see answer by Fombitz(32388)

Question 1053124: A solid, rectangular metal box of length 8 inches, width 2 inches, and
depth 4 inches is melted down. All of the liquid metal is used to cast
a cube. What is the length of one side of the cube?
Click here to see answer by Fombitz(32388)

Question 1053260: Can you find the equations of the lines which pass through the point (0, 4) and are parallel to and perpendicular to the line ?
Thanks.

Click here to see answer by ewatrrr(24785)

Question 1053174: 12x^6y^2 − 60x^4y^2 + 75x^2y^2
Click here to see answer by Alan3354(69443)

Question 1053278: what is the slope and y intercept of 3x+y=9

Click here to see answer by rfer(16322)

Question 1053287: -2X+Y=3. 8X-3Y=-7 what do I do?
Click here to see answer by KMST(5328)

Question 1053344: (2 power x+1)+(3.2 power x-3) = 76
Click here to see answer by ikleyn(52776)

Question 1053318: P(x)=3x^3-2x^2-4x+12
Click here to see answer by ikleyn(52776)

Question 1053416: P is a whole number 6p is greater than 40 but less than 45 wot is the value of p
Click here to see answer by ikleyn(52776)

Question 1053572: Substitute y = 4 into the following equation: 4x + 2y = 52. What is the value of x?

Click here to see answer by ewatrrr(24785)

Question 1053579: what is the answer for 26=3(2x+1)+5

Click here to see answer by addingup(3677)

Question 1053518: Given the linear system
2x + 3y − z = 0
x − 4y + 5z = 0,
(a) verify that x1 = 1, y1 = −1, z1 = −1 is a solution.
(b) verify that x2 = −2, y2 = 2, z2 = 2 is a solution
Click here to see answer by ikleyn(52776)

Question 1053622: are the equations 3x=-9 and 4x=-12 equivalent?
Click here to see answer by ikleyn(52776)

Question 1053628: 2In(x+.28)=3.2 How would I enter this into the calculator?
Click here to see answer by Alan3354(69443)

Question 1053585: Please help with a parabola question.
The equation form of this parabola is
How would you find the equation of this parabola by hand? What method did you use?
Click here to see answer by Alan3354(69443)

Question 1053626: Can you show me step by step -5-(15y-1)=2(7y-16)-y
Click here to see answer by stanbon(75887)

Question 1053626: Can you show me step by step -5-(15y-1)=2(7y-16)-y
Click here to see answer by MathTherapy(10551)

Question 1053633: Kelly designed a new cheerleader uniform that requires 3 1/2 yards of material. All 10 cheerleaders wear the same design. How long is the piece of cloth needed if it is measured in feet?
Click here to see answer by stanbon(75887)

Question 1053637: x-8(3.14)=3.14
This is what I have gotten for the equation above. Can you please see if I have gotten it correct and help explain to me what I had did wrong. I am having a hard time trying to check my work.
x-8(3.14)=3.14
x-25.12 =3.14
+3.14 +3.14
-21.98=6.28
+6.28 +6.28
x= -3.5

Click here to see answer by stanbon(75887)

Question 1053636: Ben hiked 4 4/5 miles on Saturday. He hiked 1 3/4 miles more on Sunday than Saturday. How many more miles did he hike in all?
Click here to see answer by stanbon(75887)

Question 1053671: Please help with a question on a parabola.
The parabola in the image has an equation of the form .
What is the the equation of the parabola, and what method did you use to find it?
Parabola image: https://s11.postimg.org/kyn0qfe03/para.png

Click here to see answer by josgarithmetic(39616)

Question 1053685: 5x-2y=14
2x+y=14
Click here to see answer by Fombitz(32388)

Question 1053685: 5x-2y=14
2x+y=14
Click here to see answer by stanbon(75887)

Question 1053685: 5x-2y=14
2x+y=14
Click here to see answer by MathTherapy(10551)

Question 1053695: Integers 12+(-3)-4-(-4)
Click here to see answer by stanbon(75887)

Question 1053695: Integers 12+(-3)-4-(-4)
Click here to see answer by Edwin McCravy(20054)

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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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