Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 1157533: please help me solve this equation: 2r^-3
Click here to see answer by MathLover1(20849)

Question 1157533: please help me solve this equation: 2r^-3
Click here to see answer by Alan3354(69443)

Question 1157612: How do you express (x^2-3)^3-(2-2x^2)^2+3 (x^2-3) in the form (x^4+Ax^2+B)(x^2+C)
where A, B and C are integers?
Click here to see answer by Edwin McCravy(20054)

Question 1157629: Write the equation 7x + 5y = 40 in slope-intercept form (y = mx + b).
Click here to see answer by Edwin McCravy(20054)

Question 1157629: Write the equation 7x + 5y = 40 in slope-intercept form (y = mx + b).
Click here to see answer by Alan3354(69443)

Question 1157560: Express in terms of logarithms of x, y, z, or w.
x^6 w
---------=log(base a)
y^2 z^4
Please help!
Click here to see answer by Alan3354(69443)

Question 1157664: A rectangular desk has a base that is 8 feet more than twice the measure of the height. If the height is represented by the letter H what is the measure of the area of the desk if H is 6 units?
TRIED: 8 + (2*H) = X
8 + (2*6) = 20 -- this was marked incorrect and not sure why
Click here to see answer by josgarithmetic(39616)

Question 1157690: 1. given f(x)=3x-5 find f^-1(x)

2. given g(x)=x-1/4 find g^-1(x)
Click here to see answer by josgarithmetic(39616)

Question 1157726: If y= -6, the formula x = 10y gives which value for x?
Click here to see answer by ikleyn(52776)

Question 1157886: Use the Factor Theorem to find all real zeros for the given polynomial function and one factor. (Enter your answers as a comma-separated list.)
f(x) = 8x3 + x2 − 55x + 42; x + 3
Click here to see answer by greenestamps(13198)

Question 1157887: Given
f(x) = 2x2 + 1
and
g(x) = 7x − 9,
find the following.
(a)
f(g(2))

(b)
f(g(x))

(c)
g(f(x))

(d)
(g ∘ g)(x)

(e)
(f ∘ f)(−2)

Click here to see answer by josgarithmetic(39616)

Question 1157889: P(x) = x^3 + 2x^2 − 14x − 40
Factor the polynomial as a product of linear factors with complex coefficients.
Click here to see answer by MathLover1(20849)

Question 1157894: Write the sentence as an equation. the product of 330 and p is 57

Click here to see answer by josgarithmetic(39616)

Question 1157894: Write the sentence as an equation. the product of 330 and p is 57

Click here to see answer by MathLover1(20849)

Question 1157896: Solve the inequality involving absolute value. Write your final answer in interval notation. (If the solution set is empty, enter EMPTY or ∅.)
|x + 4| ≥ −7
Click here to see answer by Boreal(15235)

Question 1157895: Use the Factor Theorem to find all real zeros for the given polynomial function and one factor. (Enter your answers as a comma-separated list.)
2x3 + 3x2 − 12x − 18; 2x + 3 x=
Click here to see answer by MathLover1(20849)

Question 1157935: Given function p and f defined by the table below
X, -2, -1,0, 1, 2
p(x), 4, 1, 0, 1, 4
T(x),3, 2, 1,-2, -3
Find
1. t(p(-1))
2. (top)(0)
3 (pot)(-1)
4. t(t(0))
5. P(t(2))
Click here to see answer by greenestamps(13198)

Question 1157940: Another lockdown challenge to recharge your mind.
A teacher asked a smart girl question about her age!
Teacher how old are u?
Girl: I don't know but i know my mother's age twice my age.
Teacher: Then how old is your mother?
Girl: I don't know but i know my father is 5 years older than my mother.
Teacher: How old is your father?
Girl: I don't know but i know the sum total of all our ages are 100.
Question:
1. How old is the girl
2. How old is the mum
3. How old is the dad Please Show your working. 😎🤓😎😀
Click here to see answer by mananth(16946)

Question 1157946: Define your variables, write a system of equations, use your calculator to solve the system of equations and answer the problem.
A grocer sells milk chocolate at $2.60 per pound, dark chocolate at $4.60 per pound, and dark chocolate with almonds at $5.30 per pound. He wants to make a mixture of 50 pounds of mixed chocolates to sell at $4.35 per pound. The mixture is to contain as many pounds of dark chocolate with almonds as milk chocolate and dark chocolate combined. How many pounds of each type must he use in this mixture?
amount of milk chocolate
lbs
amount of dark chocolate
lbs
amount of dark chocolate with almonds
lbs
Click here to see answer by josgarithmetic(39616)

Question 1157948: Solve the system of two linear equations by the method of elimination (also called addition method). For a dependent system, give the answer in the form of an ordered pair in terms of x. (If there is no solution, enter NO SOLUTION.)
x − y = −12
−3x + 3y = 36
(x, y) =

Click here to see answer by josgarithmetic(39616)

Question 1157947: Write and solve the system of linear equations described by the application and then answer the question.
One hundred twenty feet of fencing encloses a rectangular garden on three sides. One side of the garden is the side of a barn and requires no fencing. The longer side is parallel to the barn. If the length of the longer side of the rectangle is twice the width, what are the dimensions of the garden?
length ft
width ft

Click here to see answer by josgarithmetic(39616)

Question 1158022: please help me solve this question.two numbers differ by 2 and their product is 24.find the possible combination
Click here to see answer by josgarithmetic(39616)

Question 1158025: please help me answer this question.factorize (3g-h)(2g-h)-3g+h
Click here to see answer by josgarithmetic(39616)

Question 1158025: please help me answer this question.factorize (3g-h)(2g-h)-3g+h
Click here to see answer by greenestamps(13198)

Question 1158020: Part of the graph of the function given by the equation y=x^3-2x^2-16x+32
Calculate the area enclosed by the curve and the x-axis between x=0 and x=4
Click here to see answer by solver91311(24713)

Question 1158066: Equations And Formular: The Sum Of 6 And One_third Of N Is One More Than Twice N
Click here to see answer by josmiceli(19441)

Question 1158066: Equations And Formular: The Sum Of 6 And One_third Of N Is One More Than Twice N
Click here to see answer by ankor@dixie-net.com(22740)

Question 1158248: Suppose that you're in desperate need of some cash, and a local restaurant owner offers you twenty bucks to stand on a street corner and hand out coupons to her place.You also get a 0.30 bonus for every one of the coupons that gets turned in to the restaurant on that day.
write a the equation of the line on given information.
Click here to see answer by ikleyn(52776)

Question 1158247: Suppose that you're in desperate need of some cash, and a local restaurant owner offers you twenty bucks to stand on a street corner and hand out coupons to her place.You also get a 0.30 bonus for every one of the coupons that gets turned in to the restaurant on that day.
Click here to see answer by ikleyn(52776)

Question 1158269: How many smaller triangles are contained in a triangle with three horizontal grids?
Click here to see answer by ikleyn(52776)

Question 1158284: Raise -120 to the power of the absolute value of -2
Click here to see answer by greenestamps(13198)

Question 1158321: what numbers multiply to -9 and add to 5

Click here to see answer by Boreal(15235)

Question 1158321: what numbers multiply to -9 and add to 5

Click here to see answer by Theo(13342)

Question 1158345: Write the equation of a line in the form y = mx + b if the line is perpendicular to the line
𝑦 = 5 𝑥 − 4 and goes through the point (4,9).
Click here to see answer by josgarithmetic(39616)

Question 1158360: Joshua is 4 years older than twice jonah's age. one-third of Jonah's age plus 6 gives Jamie's age. the sum of their age is 50. How old is Jamie?
Click here to see answer by josgarithmetic(39616)

Question 1158424: which is the lowest common denominator of the fraction
1/2x^2, 3y/5, 5+x/6xy
a.2x
b.60x^3y
c.6x^2y
d.30x^2y
e.none of these
Click here to see answer by MathLover1(20849)

Question 1158451: Given that 19x+7y =5 and 17x +13y=1 . Find the value of 91x+47y
Click here to see answer by Alan3354(69443)

Question 1158516: Hello! I have to write a story problem and find x for this equation: 1/4x=3/2. I figured out that x=6, but I can't think of a story problem that matches the equation. Thank you for your time!
Click here to see answer by mananth(16946)

Question 1158528: Agie is 2 years olderthan Gavin.In 6 years , Gavin's age will be twice Angie's agenow.How old are they 6years from now?
Click here to see answer by mananth(16946)

Question 1158528: Agie is 2 years olderthan Gavin.In 6 years , Gavin's age will be twice Angie's agenow.How old are they 6years from now?
Click here to see answer by MathTherapy(10551)

Question 1158528: Agie is 2 years olderthan Gavin.In 6 years , Gavin's age will be twice Angie's agenow.How old are they 6years from now?
Click here to see answer by ikleyn(52776)

Question 1158615: how many mL of sterile water will need to be mixed with 60 mL of a 60% solution to form a 40 % solution? what will the total volume of the 40% solution ?
Click here to see answer by josgarithmetic(39616)

Question 1158664: a ball is dropped from a height of 2 meters and bounces up to 3/4 of its previous height on each bounce. using geometric series, how much TOTAL DISTANCE (up and down) does the ball travel until it stops bouncing?
Click here to see answer by Shin123(626)

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, 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, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 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