Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

Tutors Answer Your Questions about Polynomials-and-rational-expressions (FREE)

Question 398548: Divide and simplify 9/v divided by 27/v?
Click here to see answer by checkley79(3050)

Question 398594: Conner tosses a dog treat at an initaial velocity of 13.7 meters per second. The height of the treat above the dog's mouth h in meters after t seconds is given by the equation.
Click here to see answer by 1321(1)

Question 398537: Hi. Can you please help me?
I'm solving this equation for time (t), when it equals zero....so
P(t)=-t^4+9t^2+400 with -t^4+9t^2+400=0
Please help me! Thank you!

Click here to see answer by checkley79(3050)

Question 398710: f(x)=6x/x-2, determine the x coordinate of a point (x,y) where 3
Click here to see answer by stanbon(57377)

Question 398721: What is the equation of the tangent line to f(x)=x^2-2x+3/x-5 at (3,-3)?
Click here to see answer by Alan3354(30993)

Question 398723: Convert the given expression into scientific notation.
(5*10^9)(8*10^-2) divided by (2*10^-3)
Click here to see answer by Alan3354(30993)

Question 398722: Simplify each rational expression. State the excluded values of the variables
3a +15
_______
2
a - 25
That high 2 is an exponent a to the second power.
Click here to see answer by Earlsdon(6287)

Question 398284: Simplify: 5x^4 over 8 x^2 y^2 * 8y^5 over 15
I got x^4 8 y^3 over 8 x^2 3
Click here to see answer by jsmallt9(3296)

Question 398648: Is there currently anyone online that can help me by answering a few of my questions?
Click here to see answer by ankor@dixie-net.com(15657)

Question 398862: Hi. Can you please help me?
I need to solve the following equation when P(t) = 0....
P(t)=-t^4+9t^2+400
Thank you!
Click here to see answer by rapaljer(4667)

Question 398854: Factor trinomial squares. 55-16c+c^2
Click here to see answer by checkley79(3050)

Question 398854: Factor trinomial squares. 55-16c+c^2
Click here to see answer by rapaljer(4667)

Question 398877: Hello. Can you please help me?
I need to solve this equation..
x^6-9x^4-x^2+9=0
Could you please show me the steps to solving this problem so that I can understand it? thanks!
Thank you!

Click here to see answer by nerdybill(6962)

Question 398880: 2x^2-7x-20
Click here to see answer by MathLover1(6634)

Question 398880: 2x^2-7x-20
Click here to see answer by rapaljer(4667)

Question 398771: how would i factor out T1?
(T1cos76+T2cos28)/cos15
Click here to see answer by jsmallt9(3296)

Question 398994: Factor completely. If a polynomial cannot be factored, write prime.
r^2-r-30
Click here to see answer by ewatrrr(10682)

Question 398998: factor the following:
3 + 6b + 3b^
Click here to see answer by checkley79(3050)

Question 399052: please help me solve this equation
(3^3)^2
______
(3)
Click here to see answer by checkley79(3050)

Question 399073: i dont know how to do polynomials.. and i was wondering how do you do it??
Click here to see answer by solver91311(16897)

Question 399163: i need to solve this problem through factoring and not sure how to goa bout setting it up.
A llama farmer buys a roll of fence that measures 600 feet in length. FInd the dimensions of the rectangular are the fence can enclose if it contains 19475 square feet.
I know l X w = area
Click here to see answer by solver91311(16897)

Question 399232: Use a vertical format or a horizontal format to add or subtract (x^2+3x-1)-(4x^2-5x+6)
Click here to see answer by stanbon(57377)

Question 399237: factor the expressin 32x^2+32x+8. Simplify answer as much as possible
Click here to see answer by stanbon(57377)

Question 399238: expressions that occur in calculus are given,factor completley each expression
2(x+3)(x-2)^3+(x+3)^2*3(x-2)^2 i have done most of the homwork having a real hard time on this one
Click here to see answer by richard1234(5390)

Question 399256: solve s^2-2s+1=0
Click here to see answer by richard1234(5390)

Question 399306: what Is the solution set for the equation;
5(r-8)+2>6(r+3)-24

Click here to see answer by rfer(12662)

Question 399285: Stan and Hilda can mow the lawn in 40 minutes if they work together. If Hilda works twice as fast as Stan, how long would it take Stan to mow the lawn alone?
Click here to see answer by scott8148(6628)

Question 399379: I need help with this eqation. [(8a^2b^-1)/(b^2)]^3
I worked it out to..(8a^6b^3)/(b^6)= (8a^6)/(b^-3-6)= (8a^6)/(b^-9)
I also worked it in this form first---8a^6b^-3, and then i just guessed on what to do so i could get b on the bottom.
I know the answer is supposed to be (8a^6)/(b^9) How?

Click here to see answer by ewatrrr(10682)

Question 399439: (4-v/v-5) - (3v-8/5-v)
Click here to see answer by ewatrrr(10682)

Question 399351: divide by long division
2x^2-9x^2+15 by 2x-5

Click here to see answer by CharlesG2(828)

Question 399467: I need help mulitplying this problem. I dont know how to set it up and show my work.
multiply:
(a-2/5)(a+5/2)
Click here to see answer by CharlesG2(828)

Question 399470: Simplify: 10(2x-1)+3(5-x)
Click here to see answer by Tatiana_Stebko(1326)

Question 399470: Simplify: 10(2x-1)+3(5-x)
Click here to see answer by blhobbs1(4)

Question 399462: Add the following:
(-2.9^2+3.1x-7.6)+(2.7x^2-4.1x+9)
I am not sure how to set it up and what to add.
Click here to see answer by solver91311(16897)

Question 399502: simplify by removing factors of 1
n^2 - 16/(n+4)^2
n^2-16 over (n+4)^2
Click here to see answer by jsmallt9(3296)

Question 399501: Mulitply
(v+p)(v^2-vp+p^2)
Click here to see answer by jsmallt9(3296)

Question 399461: Choose the best response to describe the polynomial: 5x^2-10x+4
A) it is quadratic
B) it has four terms
C) it has a leading coefficient of 5
D) it has a degree of 3
Click here to see answer by MathLover1(6634)

Question 399464: How do I find the difference?
(6x^2-3x-9)-(-2x^2+8x+3)
Click here to see answer by ewatrrr(10682)

Question 399545: please help me factor these polynomials
1)
2)
3)
4)
Click here to see answer by edjones(7569)

Question 399637: 4xy-16x+7y-28
factor the polynomail completely
Click here to see answer by checkley79(3050)

Question 399697: I am really confused with this math problem, can someone help me please.
Hat sizes are determined by measuring the circumference of one's head in either inches or centimeters. use ratio and proportion to complete the following table. hat sizes are 7 3/8 with head circumference (to the nearest 1/5 inch)23 1/5 and head circumference (to the nearest centimeter) is 59 the second hat size is 7 1/4 and the head circumference (to the nearest 1/5 inch) ? and the head circumference ( to the nearest centimeter) is ? the two question marks are what I need to find. Can someone show me the steps on this problem...thanks
Click here to see answer by stanbon(57377)

Question 399761: 7x^2-10x+3
Click here to see answer by Alan3354(30993)

Question 399822: I have to list the terms, coefficents, and degree of the following polynomial:
-7x^7+6x^6-x+7/8
I do not understand what is what?
Click here to see answer by richard1234(5390)

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