Questions on Algebra: Equations answered by real tutors!

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Question 131629: find the sum or diffrence of
(13x+9y)+11y

Click here to see answer by jim_thompson5910(28476)

Question 131636: Have You ever heard of Everyday Mathematics? I am in 6 th grade my parents and I do not understand the problems. It is Unit 6 Checking Proggress.
Click here to see answer by TakeATuition.com(57)

Question 131639: Please help me solve this equation.
x(x-20)=-100
Click here to see answer by jim_thompson5910(28476)

Question 131684: Use the Rational zero theorem. Descartes's ruel of signs and the theorem on bounds as aids in finding all real and imagainary roots to each equation. I am not understanding how to get the p's and q's from this equation and also where do my numbers come from for the positive, negative and imaginary table.
Click here to see answer by stanbon(57222)

Question 131669: I think thisa is the right section, anyways,
the problem is...
lets say,
Eg. 11(3x+9)=104
-ino how to do these its just that, (it dosent let you do it on the computer)its the fraction ones i need help with, you no like the example, but then it is divided too.
I always seem to get these wrong in class.
Thanks a bunch
please reply A.S.A.P
thanks a banana,
byebye

Click here to see answer by rapaljer(4667)

Question 131580: what is n+n/3=600? Show your work please!
Click here to see answer by checkley71(8403)

Question 131699: X-3 over 2 = -X
Click here to see answer by checkley71(8403)

Question 131571: Please help me solve this equation.
6a^2-4=5a
Click here to see answer by elima(1433)

Question 131763: an equations to figure the amount of interest whe would pay altogether for a 30 year loan 6.875% 125,000 loan amount

Click here to see answer by solver91311(16868)

Question 131747: Please help me solve this equation:

y^2=-8y
Click here to see answer by checkley71(8403)

Question 131744: y=x/5-4
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Question 131730: X+2 over 3= -1/3[X+2]
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Question 131698: X+2 1
--- = - -[X+2]
3 3
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Question 131787: I don't know where to put this... so I just tried here... Don't know how to do this promble at all... I'd love it if someone told me how..
1/3-6v=2 2/3
Click here to see answer by checkley71(8403)

Question 131769: Sove by the substitution method...please help....I'm stumped on this one
7x+4y=-3
-8x+y=48
Click here to see answer by TakeATuition.com(57)

Question 131913: y=x/5-4 What does x equal?
Click here to see answer by solver91311(16868)

Question 131929: y=x/5-4 What does x equal?
Click here to see answer by solver91311(16868)

Question 131911: y=x/5-4 What does x equal?
Click here to see answer by checkley71(8403)

Question 132058: b+6=4-b

Click here to see answer by jim_thompson5910(28476)

Question 132058: b+6=4-b

Click here to see answer by dkspoet(13)

Question 132086: A manufacturer of tennis rackets finds that the total cost C(x) (in dollars) of manufacturing x rackets/day is given by Each racket can be sold at a price of p dollars, where p is related to x by the demand equation If all rackets that are manufactured can be sold, find the daily level of production that will yield a maximum profit for the manufacturer.
Can you help please please please please : ) THANK YOU! ! ! !
Click here to see answer by stanbon(57222)

Question 132101: Solve the system of equations using the substitution method.
If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”
-3x + y = 1 5x + 2y = -4

Click here to see answer by TakeATuition.com(57)

Question 132162: solve the equation 121 x^2-4=0
Click here to see answer by jim_thompson5910(28476)

Question 132163: solve the equation
Click here to see answer by stanbon(57222)

Question 132259: Solve
5(2x-2)=40
I have no idea how to do this one at all please help.
Click here to see answer by jim_thompson5910(28476)

Question 132258: Determine whether 3 is a solution of the equation 9 x +5 = 30
Again can someone help please?
Click here to see answer by jim_thompson5910(28476)

Question 132256: Solve using the addition principle. -9 + x = -25
Help someone.
Click here to see answer by jim_thompson5910(28476)

Question 132254: Solve using the multiplication principle x/5 = -10
Can someone please help me with this? Thanks, Scot
Click here to see answer by jim_thompson5910(28476)

Question 132292: Can someone help me solve this problem.
A student opens a math book to 2 facing pages. The product of the page number is 1056. Find the page numbers.
Thank you.
Click here to see answer by jim_thompson5910(28476)

Question 132293: Can someone help me please?
The width of a rectangular is 4ft. less than the length. The area is 5ft.^2. Find the length and the width.
Thank you.
Click here to see answer by jim_thompson5910(28476)

Question 132297: Can someone please help?
Solve 3x^2-5x-7=0
Find x intercepts of f(x)=3x^2-5x-7
Thanks.
Click here to see answer by jim_thompson5910(28476)

Question 132295: what is the answer to x+2 2/3=5 1/6?
Click here to see answer by jim_thompson5910(28476)

Question 132300: Please help.
The number of tickets sold each day for a performance is given by N(x)=-0.5x^2+10x+13, 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?
Thank you.
Click here to see answer by jim_thompson5910(28476)

Question 132301: Please help solve I am very confused with this problem.
A student opens a book to 2 facing pages. The product of the page number is 1056. Find the page numbers.
1st page is
2nd page is
Thanks.
Click here to see answer by jim_thompson5910(28476)

Question 132299: Someone please help.
y^2=5/7y+3/7 Does it have 2 non-real solutions, 2 real solutions, or 1 real solutions.
Thank you.
Click here to see answer by jim_thompson5910(28476)

Question 132306: 36+x-876=0
Click here to see answer by jim_thompson5910(28476)

Question 132323: 4(p-3)+2(p-5)=0
Click here to see answer by jim_thompson5910(28476)

Question 132330: Word Problem:
A company purchased a car for $25,000, and expect its value to depreciate
$2,500 per year.
Write an equation for the value fo the car, y, in terms of years X.
Please help or let me know if this is correct
Depreciation = $25,000-$2,500 divided by 1x or
using 1 x for each year.
The equation would be Y= 25,000-2,500(x) Is this correct?
Thank you, This was in my notes as an example to study for test. I have been unable to find even 1 similiar in the book Can you please help. Thank You
Click here to see answer by josmiceli(9650)

Question 132350: Here's another problem that I don't think we covered in our current chapter. The chapter is on factoring. I don't see anything in my text looks remotely like this equation. Any help is appreciated. The only instructions are - Perform and Simplify:(x+4/2x)(6x^2/x^2-16)
Click here to see answer by Earlsdon(6287)

Question 132371: A family consists of a father, mother and some children. The mean age of the family is 18 years. Without the 38 year old father the mean age of the family decreases to only 14. How many children are there in the family?
Click here to see answer by oscargut(891)

Question 132392: Please help me solve (divide) this equation in factored form:
8a^2-6a-9/6a^2-5a-6/4a^2+11a+6/9a^2+12a+4
Click here to see answer by jim_thompson5910(28476)

Question 132431: Please help me solve this equation:

Solve PV/T=pv/t for P.
Click here to see answer by checkley71(8403)

Question 132447: a banana has 85 calories.This is 10 calories less than one eighth of the calories in a banana split.How many calories are in a banana split?
Click here to see answer by edjones(7569)

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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, 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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