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Question 499417: 10. Essay; show all work. Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.001218x^4 + 0.082326x^3 – 1.3267x^2 + 12.46x + 4.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is 12 years old?

Ok wow I need some help please with this monster problem please.

Click here to see answer by chessace(471)

Question 499432: 8.Find the product:
-3x (7x^3 – 5x^2 + 7x – 9)

Can I get some help with this please?

Click here to see answer by jim_thompson5910(28593)

Question 499436: 6. Find the difference:
(6x^3 – 5x^2 – 2) – (5x^2 – 7x + 2)

please help me with this, thank you.

Click here to see answer by jim_thompson5910(28593)

Question 499436: 6. Find the difference:
(6x^3 – 5x^2 – 2) – (5x^2 – 7x + 2)

please help me with this, thank you.

Click here to see answer by oberobic(2304)

Question 499437: 5. Add the following polynomials:
(7x^2 + 4x – 8) + (8x^3 – x^2 – 3)

please help.

Click here to see answer by chessace(471)

Question 499443: 1. State the degree of the following polynomial: 3x^4 y^2 + 6xy – 3y
please help.

Click here to see answer by chessace(471)

Question 499445: 2. Essay. List the terms, coefficients, and degree of the following polynomial: 7x^5 – 3x^3 + x +2/5
ok this alot can u please help me.

Click here to see answer by richard1234(5390)

Question 499426: 9. Essay; show all work. Bob’s Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 6x^3 + 9x^2 – x – 2. The shop estimates their costs for that quarter to be given by 3x^2 + 4x – 8. For the second quarter, find and simplify a polynomial that will represent their profit. Note: Profit = Revenue - Costs
please help me with this problem I am not good at these word problems.

Click here to see answer by richard1234(5390)

Question 499449: 3. Write all of the following statement(s) that apply to the following polynomial: -5x + 6x^2 + 7
(A)It is a binomial.
(B)It cannot be evaluated at x = -1/3
(C)It has a coefficient of 6.
(D)It is quadratic.

can someone help me out of this nightmare!!

Click here to see answer by jim_thompson5910(28593)

Question 499453: 4. Essay; show all work. Add the following polynomials:
(-1/3x^2-1/4x+3/4)+(1/2x^2-1/4x-1/2)

I do not understand how to do this !!!

Click here to see answer by MRperkins(300)

Question 499472: Find the value of the expression when z=-7.
2z-1/z-8
Click here to see answer by jim_thompson5910(28593)

Question 499472: Find the value of the expression when z=-7.
2z-1/z-8
Click here to see answer by MRperkins(300)

Question 499478: Identify the degree of each term of the polynomial and the degree of the polynomial. -9x^3+5x^2+5x+5=
The degree of the first term is ________
The degree of the second term is __________
The degree of the third term is _________
The degree of the fourth term is __________
The degree of the polynomial is ___________
Click here to see answer by MRperkins(300)

Question 499455: 7. Essay; show all work. Find the product:
(1/4x^2-2/7)(-1/2x-1/2)

please help.

Click here to see answer by oberobic(2304)

Question 499673: 12x suqared plus 82x-14=0
How do I work it out
Click here to see answer by Earlsdon(6287)

Question 499741: 9x^2-4=0

Click here to see answer by deborabr(181)

Question 499727: find real numbers
-x^3+1000=0
Click here to see answer by deborabr(181)

Question 499743: 9x^2+11x+18=-10x+8
Click here to see answer by jim_thompson5910(28593)

Question 499737:
2b^4+14b^3-16b-112

Click here to see answer by jim_thompson5910(28593)

Question 500025: 4. Essay; show all work. Add the following polynomials:
(-1/3x^2-1/4x+3/4)+(1/2x^2-1/4x-1/2)
I do not understand how to do this !!!
Click here to see answer by rfer(12657)

Question 500493: Write a polynomial equation with integer coefficients that has the given roots.
x=7 x=-5
Click here to see answer by chessace(471)

Question 500491: S=a/(a-r). solve for r. and why?

Click here to see answer by chessace(471)

Question 500528: solve follow equation by factoring y^2+8y+12=0
y=? y=?
Click here to see answer by chessace(471)

Question 500707: 2/5g=-14

Click here to see answer by oberobic(2304)

Question 500753: Factor the polynomial completely.
4x^2+20x-56
Click here to see answer by solver91311(16877)

Question 500990: having trouble finding all solutions to this equation 4x^3-6x^2=0 please help me figure this out...
Click here to see answer by htmentor(789)

Question 501002: [x^2-6]=x need help finding all solutions to this equation please help me figure this out..
Click here to see answer by solver91311(16877)

Question 500997: need help finding all solutions of this equation 9x^4+27x^3-4x^2-12x=0 please help...
Click here to see answer by htmentor(789)

Question 501006: please help me solve (x+2)3/4=27 have to find all solutions to this equations....
Click here to see answer by Alan3354(30993)

Question 501082: multiply
10m^4 over 9a^2 times 3a^2b/1
Click here to see answer by MathLover1(6628)

Question 501093: Is it possible to have a rational expression whose denominator is equal to zero, even though this is not possible with a fraction?
Click here to see answer by MathLover1(6628)

Question 501369: What is x(squared)- 8x - 33
Click here to see answer by nerdybill(6958)

Question 501367: X-1/16=7/16
Click here to see answer by rfer(12657)

Question 501578: Simplify: 2/5(5x-10)+4x
=(2/5 x 5x)- (2/5 x 10)+4x
=2x-4+4x
=6x-4
Click here to see answer by edjones(7569)

Question 501575: 3x^2+15x-42
Click here to see answer by edjones(7569)

Question 501545: OK PLEASE HELP I AM LOST!!!
16.
Male caloric needs. The number of calories needed each day by a moderately active man who weighs w kilograms, is h centimeters tall, and is a years old can be estimated by the polynomial
19.18w + 7h − 9.52a + 92.4.
One of the authors of this text is moderately active, weighs 87 kg, is 185 cm tall, and is 59 yr old. What are his daily caloric needs?

26.Divide and check:
t^2-13/t-4
help please, thanks!!

30.multiply
(x^4 − 3)(2x + 1)
may I please get help with this?

Click here to see answer by ankor@dixie-net.com(15649)

Question 501940: what are the zeros of this polynomial function and all the work:
f(x)=x^4-4x^3-20x^2+48x
Click here to see answer by solver91311(16877)

Question 502212: I am confused on how to solve 3x^2/7y^4 * 35xy^3/12x^2
I tried to make the 3x^2 3x-1 and 3x+1 but im not sure if it is right.
the same with 12x^2 i think its 12x-1 and 12x+1
Click here to see answer by oberobic(2304)

Question 502277: Hi. I am having trouble with stating restrictions for variables in rational expressions. the question i am having a problem with is: 3+x/x(x-2). all i have got so far is let x(x-2)=0. i was told that to state the restriction let the denominator =0. then solve for the variable. I don't know what my next steps are. please help!
Click here to see answer by Alan3354(30993)

Question 502498: Hi math world I need some help with this I do not understand!!
9. Short Answer. Find the following quotient:
(x^2-81)/(x+9)

10. Essay: Show all work. Find the following quotient:
(4x^2-9y^2)/(2x+3y)

please help me!!

Click here to see answer by Alan3354(30993)

Question 502629: (w^-9)^9
assume w=0
Click here to see answer by Alan3354(30993)

Question 502750: Factor the polynomial completely.
36x^2 + 49
I first tried (6x+7)2 and then (6x+7) (6x+7)... I was incorrect and I'm unsure if i'm doing the problem wrong or writing it incorrectly.
Click here to see answer by Alan3354(30993)

Question 502745: Perform the indicated division of polynomials by monomials.
10x5 + 20x3
divided by
2x

I got the answer 5x^4+10x^2 and was incorrect i'm not sure what I'm doing wrong. I first divided the whole numbers on top by two... then subtract the exponents on top from the one on bottom.
Click here to see answer by Alan3354(30993)

Question 502861: Factor the four term polynomial by grouping
1.) x^3+3x^2+9x+27
2.) 3x+9+xy+3y
Click here to see answer by jim_thompson5910(28593)

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