Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 1009340: 17h + 4h + 3h � 16h � 3h = 20
Click here to see answer by Alan3354(69443)

Question 1009388: Write an equation and solve:
If the weight of a package is multiplied by 5/7 the result is 40.5 pounds. Find the weight of the package
Click here to see answer by macston(5194)

Question 1009458: Please help me do this: 11-3(a+4)=3a-25
Click here to see answer by rothauserc(4718)

Question 1009459: Please help me solve these questions: number 1. 11-3(a+4)=3a-25. No.2. 2(x-3)-3(4-x)=4(3-x)-6(6-6) no.3. -16=3(x-5)+4(3-x)
Click here to see answer by MathLover1(20849)

Question 1009479: -9+(2-x)+8x
The first - is a negative i was unsure how to make it where it looks like a negative andd not a minus.
So negative nine plus (two minus x) plus 8
~ how my mom was showing me (don't know if she is right please help!)
You do whats in the () first so
-9+(2-x)+8�
-9+(2x)+8x
-9+2x+8x
Do we do the xs first?
2x+8x=10x
-9+10x= 1x
Im so confused
Thank you in advance
Click here to see answer by MathLover1(20849)

Question 1009487: the answer to -9(4b + 5) = -21
Click here to see answer by fractalier(6550)

Question 1009553: The sum of two consecutive even integers is -298. What are the integers?
Click here to see answer by fractalier(6550)

Question 1009556: Find an equation of the plane that passes through the points
(−1, 0, −4),(2, 1, 8),and(−1, 1, −1).(Suggestion: The equation of a plane can be written as z = ax + by + c.)
Z=

Click here to see answer by Fombitz(32388)

Question 1009580: hi have to resolve this problem but i have trouble to answer can u help me the problem is; Determine whether the equation y-y=y is sometimes,always,or never true.Justify your response with examples.
CAn u help me please thanks
Click here to see answer by Boreal(15235)

Question 1009585: I need help with this question:The price of a car is reduced by 25 percent. the new price is reduced by a further 20 percent. the two reductions together are equal to a single reduction of what percent? 45 is a wrong answer , my teacher said that
Click here to see answer by josgarithmetic(39616)

Question 1009590: I need help finding the slope, y-intercept and create a equation. I need to find the slope for: (1,625) and (2,1250).
Click here to see answer by josgarithmetic(39616)

Question 1009606: The quotient of a number and 5 is at least 4.
Click here to see answer by MathLover1(20849)

Question 1009612: 5 less than 3 times a number is no more than the number increased by 11
Click here to see answer by addingup(3677)

Question 1009602: The perimeter of a rectangle is 32 feet find the dimensions if the length is 4 feet longer than three times the width then find the area of the rectangle
Click here to see answer by tiffany222(56)

Question 1009631: 5 more than 3 times a number is at most twice the number decreased by 4. Find the numbers that satisfy this condition.
Click here to see answer by macston(5194)

Question 1009600: 14>w-5
Click here to see answer by stanbon(75887)

Question 1009624: 5 more than 3 times a number is at most twice the number decreased by 4.
Find the numbers that satisfy this condition.
Click here to see answer by macston(5194)

Question 1009625: How do I solve y = 1000 - 65x
Click here to see answer by josgarithmetic(39616)

Question 1009557: -6(r+2)+4r-3=2
9(q+3)+2q-9=9
2(2w+3)-3w+7=10
-2(3h+2)-4h-6=5
-7(-2y+3)+4y-3=3
Need help with these 5 problems on transitional math.
Click here to see answer by macston(5194)

Question 1009706: A straight highway is 100 miles long, and each mile is marked by a milepost numbered from 0 to 100. A rest area is going to be built along the highway exactly 6 miles away from milepost 57. If M is the milepost number of the rest area, which of the following equations represents the possible locations for the rest area?
A. [57+M]=6
B. [M+6]=57
C. [M-6]=57
D. [57-M]=6
Click here to see answer by macston(5194)

Question 1009689: Find a general solution of the differential equation:
d^(4)y/dx^(2) -4 d^(3)y/dx^(3) +8 d^(2)y/dx^(2) -8 dy/dx+4y=0
Click here to see answer by fractalier(6550)

Question 1009709: 1/8^2

Click here to see answer by Alan3354(69443)

Question 1009764: Statistics: A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 301 people over the age of 55, 66 dream in black and white, and among 294 people under the age of 25, 13 dream in black and white. Use a 0.05 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25
How to find z score for two samples?
Click here to see answer by Boreal(15235)

Question 1008464: 5x/48y^2 + 7y/18x^2y
Click here to see answer by It is costly(175)

Question 1008461: (3a)^3/18b^3 * 12a^4b^5/9a^2
Click here to see answer by It is costly(175)

Question 1008527: solving sytems of equations using elimination and my promblem
is 3x-3y=-27
5x+7y=3
Click here to see answer by It is costly(175)

Question 1009787: A washer and a dryer cost
$552 combined. The washer costs $98 less than the dryer. What is the cost of the dryer?
Click here to see answer by fractalier(6550)

Question 1009782: Susan currently has a 90% in math class right now. She's about to take a math final worth 30% of her grade. If Susan gets a 20% on her final, what will her overall average in the class be?
thank you in advanced:)
Click here to see answer by ankor@dixie-net.com(22740)

Question 1009861: Use the definition of the derivative to find f ′(x) if
f(x)=x^2+x
f(x)= 1/(x-1)

Click here to see answer by Alan3354(69443)

Question 1009878: Use the definition of the derivative to find f ′(x) if
f(x)=x^2+x
f(x)= 1/(x-1)

Click here to see answer by Alan3354(69443)

Question 1009850: Find the equation of the line a) parallel b) perpendicular to 2x-3y=6 and passing at a distance 2sqrt (3) units from (-1,2)
Click here to see answer by KMST(5328)

Question 1009922: sq root (v/150) = 1 - t/50
FIND T
PLEASE HELP ME
Click here to see answer by MathLover1(20849)

Question 1009932: Simplify without using parentheses for here is the algebra question (x^3)^4 for my email address is 321jbe@gmail.com
Click here to see answer by MathLover1(20849)

Question 1009934: Simplify buy writing without parentheses for here is the polynomial equation (w^4z^2)^3.
Click here to see answer by MathLover1(20849)

Question 1009862: differentiate the following function:
f(x)=(x^2+1/x^3 )(x^3-x^2+1)
f(x)= e^((x^3+2x))

Click here to see answer by solver91311(24713)

Question 1009966: differentiate the following function:
f(x)=(x^2+1/x^3 )(x^3-x^2+1)

Click here to see answer by Edwin McCravy(20054)

Question 1010004: Solve the equation 2/5 x -1/3x= 2
Click here to see answer by stanbon(75887)

Question 1010008: 3(6+2x)
Click here to see answer by MathLover1(20849)

Question 1010025: What is the equation of the polynomial with a leading coefficient of 2, and with the roots: -6 6 and 2i?
Click here to see answer by MathLover1(20849)

Question 1010071: What equations are parallel and perpendicular to the equation 6=-3x+b
Click here to see answer by Alan3354(69443)

Question 1010072: Solve by completing the square:
3x^2 + x + 1 = 0
Click here to see answer by josgarithmetic(39616)

Question 1010087: How do I Solve by completing the square:
3x^2 + x + 1 = 0
Click here to see answer by stanbon(75887)

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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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, 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, 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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