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

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

Question 328764: Divide and Simplify
(y^2-25)/(y) divided by (y+5)/(y+7)
thank you
Click here to see answer by Fombitz(13828)

Question 328840: Tomas can do a job in 4 hours. Julia can do the same job in 6 hours. How many hours will it take the two of them to do the job if they work together?
a. 3.5
b. 2.4
c. 5
d. 2
Click here to see answer by Edwin McCravy(8999)

Question 328975: There are n teams in a league and the number of games played is given by the polynomial n^2-n=N. A women's softball league has 11 teams. What is the total number of games to be played?
The total number of games to be played =
Click here to see answer by stanbon(57979)

Question 328966: There are n teams in a league and the number of games played is given by the polynomial n^2-n=N. A women's softball league has 11 teams. What is the total number of games to be played?
The total number of games to be played =
Click here to see answer by stanbon(57979)

Question 328972: Solve the equation and check your answer!!!
(Q+8)/(3) + (Q-2)/2 =(10)/(3)
Thank you for your help =)
Click here to see answer by Alan3354(31534)

Question 328932: simplify the expression

Click here to see answer by ankor@dixie-net.com(15746)

Question 329003: Junior's boat will go 15 miles per hour in still water. if he can go 12 miles downstream in the same amount of time as it takes to go 9 miles upstream, then what is the speed of the current?
Click here to see answer by solver91311(17077)

Question 329006: A six passenger plane cruises at 180 mph in calm air. If the plane flies 7 miles with the wind in the same amount of time as it flies 5 miles against the wind, then what is the wind speed?
Click here to see answer by solver91311(17077)

Question 329008: A water tank has an inlet pipe and a drain pipe. A full tank can be emptied in 30 minutes if the drain is opened and an empty tank can be filled in 45 minutes with the inlet pipe opened. If both pipes are accidentally opened when the tank is full, then how long will it take to empty the tank?
Click here to see answer by scott8148(6628)

Question 329010: what is the radical notation to rewrite the expression 729 2/3
Click here to see answer by stanbon(57979)

Question 329020: 4x2+4xy+y2-8x-4y+3
Click here to see answer by mananth(12270)

Question 328933: (sqrt(x^4*y^3))*(sqrt(8x^3*y)) simplifies to sqrt(x^4*y^3)*sqrt(8*x^3*y)
Click here to see answer by Fombitz(13828)

Question 328996: Multiply and, if possible, simplify.
2* 3p^4
_______
p 5p
Click here to see answer by Fombitz(13828)

Question 329022: Divide and Simplify
(-21+7x)/(3) divided by (35x-75)/(9)
Can you show each step please?
Thank you
Click here to see answer by checkley77(12569)

Question 328927: simplify the provided expression. assume all variables are positive real numbers
sqrt(4a^4b^2c^6)
Click here to see answer by Fombitz(13828)

Question 328214: I need help dividing: x^2-6x+8/x^2-7x+12 divided by x^2-9x+14/x^2-5x+6
Click here to see answer by Fombitz(13828)

Question 329128: How do I simplify this? (2s^-1t^3/6st^-4)^-3
Click here to see answer by Fombitz(13828)

Question 329128: How do I simplify this? (2s^-1t^3/6st^-4)^-3
Click here to see answer by stanbon(57979)

Question 329156: form a polynomial of degree three so that 2+3i and -1 are zeroes. How do you solve this equation?
Click here to see answer by Fombitz(13828)

Question 329157: How do you solve this.... Let R(x)= x^4+2x^3+2x-21/ x^3+4x^2-2x+21. The R(x) has an asymptote that is either oblique, or constant but nonzero, or zero. What is the equation of this asymptote?
Click here to see answer by Fombitz(13828)

Question 329173: Find all numbers for which the rational expression is undefined?
(6)/(2x+3)
Thank you
Click here to see answer by solver91311(17077)

Question 329160: add, simplify if possible
(2)/(9z^3) + (1)/(6z^2)
Show each step please
Thank you
Click here to see answer by Fombitz(13828)

Question 329198: Can someone please help me with this problem (2x^3)(-3x)^2
Click here to see answer by Fombitz(13828)

Question 329165: Find all the numbers for which the rational expression is undefined.
(6)/(2x+3)
Thank you
Click here to see answer by Fombitz(13828)

Question 329210: How do you factor 64a^3-8b^3?
Click here to see answer by stanbon(57979)

Question 329210: How do you factor 64a^3-8b^3?
Click here to see answer by Fombitz(13828)

Question 329168: Maria can shovel snow from her driveway in 60 minutes, jim can do the same job in 55 minutes. How long will it take Jim and Maria to shovel the driveway if they worked together?

Thank you
Click here to see answer by solver91311(17077)

Question 329115: What is the width of a yard if the perimeter is 6x+6 and x= the width?
Click here to see answer by Fombitz(13828)

Question 329158: Maria can shovel snow from her driveway in 60 minutes. Jim can do the same job in 55 minutes. How long would it take maria and jim to shovel the driveway if they worked together?
Thank you
Click here to see answer by Alan3354(31534)

Question 329251: please walk me thru
(t-3)/(t-2)/(4t-12)/(t+1)
Click here to see answer by stanbon(57979)

Question 329310: A water tank has an inlet pipe and a drain
pipe. A full tank can be emptied in 30 minutes if the drain
is opened and an empty tank can be filled in 45 minutes
with the inlet pipe opened. If both pipes are accidentally
opened when the tank is full, then how long will it take to
empty the tank?
Click here to see answer by stanbon(57979)

Question 329327: I am trying to solve this question reguarding rational expressions. The question is r squared minus 5r plus 6 over r squared minus 4 equals ?

Click here to see answer by mananth(12270)

Question 329379: How is this worked in long division and how do you check it. I know the first one is b but I get lost after that because of what is brought down.
(b² +2b -35) ÷ (b -5)
Click here to see answer by mananth(12270)

Question 329394: The number of tickets sold each day for an upcoming performance of handel's messiah is given by N(x)=-0.3x^2+6x+10, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?
Click here to see answer by stanbon(57979)

Question 329358: Simplify the following algebraic expressions:
1) (6a^2/7b^3)^-2
Click here to see answer by Fombitz(13828)

Question 329309: A six-passenger plane cruises at 180 mph in
calm air. If the plane flies 7 miles with the wind in the
same amount of time as it flies 5 miles against the wind,
then what is the wind speed?
Click here to see answer by Fombitz(13828)

Question 329250: The polynomial 0.041h-0.018a-2.69 can be used to estimate the lung capacity, in liters, of a female with height h, in centimeters, and age a, in years. Find the lung capacity of a 30 year old woman who is 200 centimeters tall.
Her lung capacity = how many liters
(Round to the nearest hundreth)
Click here to see answer by nerdybill(7009)

Question 329426: Solve simplify if possible?
(9d)/(5d-15) + (7d)/(15d-45)
Can you please show me step by step?
Thank you

Click here to see answer by Fombitz(13828)

Question 329445: Which of the following is a possible root of the
polynomial 16 x^4 + 80 x^3 - 191 x^2 + 8x + 15?
Click here to see answer by Fombitz(13828)

Question 329433: Factor the equation d=.05r^2+r
Click here to see answer by Fombitz(13828)

Question 329357: Simplify the following algebraic expressions:
1) (u^8z^7)/z^-3u^-2
2) Evaluate P(-1/2) if P(x) = 2x4 + x3 + 12
Click here to see answer by Fombitz(13828)

Question 329308: Junior’s boat will go 15 miles per
hour in still water. If he can go 12 miles downstream in the
same amount of time as it takes to go 9 miles upstream,
then what is the speed of the current?
Click here to see answer by Fombitz(13828)

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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, 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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