Questions on Algebra: Equations answered by real tutors!

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Question 686527: I got - "falls to the left and rises to the right"
Use the Leading Coefficient Test to determine the end behavior of the polynomial function.
f(x) = x^3 - 2x^2 - 2x - 3
Click here to see answer by stanbon(75887)

Question 686551: �2c + 8 = 5c � 10
Click here to see answer by jim_thompson5910(35256)

Question 686560: emily thinks of a number, n. she adds 14 to it and then square it the answer is 361. what is n?

Click here to see answer by rfer(16322)

Question 686557: how do you use the distributive property on equations
-5(2w+1)=25

Click here to see answer by rfer(16322)

Question 686625: 1.728 x 10^2/5.4 x 10 ^8
I'm trying to help my daughter! :)
Click here to see answer by jim_thompson5910(35256)

Question 686847: y=1/4x+6
x-4y=-24
I think I have to solve by either elimination or substitution
Click here to see answer by jim_thompson5910(35256)

Question 686964: Danny made a mistake in the following problem.
In which line was the mistake made?
Line 1: 21 + 35 divided by 7 + 6(2)
Line 2 : 21 + 5 + 6(2)
Line 3: 21 + 11(2)
Line 4: 21 + 22
Line 5: 43
** I honestly don't know what the problem is here. Please help! Thanks.

Click here to see answer by stanbon(75887)

Question 687132: how do u factor 2w^2+13w-20 im having trouble
Click here to see answer by jim_thompson5910(35256)

Question 687136: 2w^2+13w+20 I need help I don't know how to factor this
Click here to see answer by jim_thompson5910(35256)

Question 687169: what is the answer to 144=-12(x+5)
Click here to see answer by jim_thompson5910(35256)

Question 687208: how would I solve 2x=3x-6?
Click here to see answer by Alan3354(69443)

Question 687208: how would I solve 2x=3x-6?
Click here to see answer by jim_thompson5910(35256)

Question 687186: Given the geometric sequence 21870, 7290, 2430, . . . find the eighth term in the sequence.
Click here to see answer by rfer(16322)

Question 687185: literal equations and dimension analysis.
d= rt, for r
6w-y=2z, for 2
9s-5g= -4u, for s

Click here to see answer by Alan3354(69443)

Question 687369: solve this equality. express answer using interval notation.
3x is greater or equal to 18
Click here to see answer by nerdybill(7384)

Question 687383: what is the equation for eight less than one - fourth of a number is five?

Click here to see answer by josmiceli(19441)

Question 687455: if x=2,y=-3 and z=4, the value of 8x+y-2z/2x-y+z is

Click here to see answer by tsewaitung(11)

Question 687623: -8(4 + 9x) = 7(-2 � 11x)
Click here to see answer by jim_thompson5910(35256)

Question 687680: Please factor the following:
6x-3y=27
3x-y=13
Click here to see answer by Alan3354(69443)

Question 687396: (3a) (-3a) (a)
Click here to see answer by ReadingBoosters(3246)

Question 686976: 5x+5+-5
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Question 686786: How do you solve 2/3y+k=j solving for y.
Click here to see answer by ReadingBoosters(3246)

Question 687671: 1174=(5X)+(25Y)
Solve for X and Y
Click here to see answer by ReadingBoosters(3246)

Question 687008: Write an expression for the following real-world situation.
If Mr. Jackson earns $1000 for every used car he sells and $2000 for every new car he sells, how much would he make if he sold "u" used cars and "n" new cars?

Click here to see answer by ReadingBoosters(3246)

Question 687893: -x-4=10
what does x equal and how do you solve it?
Click here to see answer by Alan3354(69443)

Question 688012: use the elimination method to solve the system of equations
a+8b=12
a+4b=4
Click here to see answer by Alan3354(69443)

Question 688123: (2p-1) (4p+3)=????

Click here to see answer by lynnlo(4176)

Question 688134: For what values of k will 3x^4 + 4x^3-12x +k = 0 have no solution
Click here to see answer by Alan3354(69443)

Question 688168: if i have $1.75 in only nickles & dimes and i know i have 5x as many nickles as dimes, how many coins do i have? .. i know the answer but i'm looking for the equation that would allow me to solve
Click here to see answer by stanbon(75887)

Question 688184: Truck A offers flat fee of $25 and $.40 per mile, Truck B offers flat fee of $30 and $.25 per mile. How muc will Meagan pay for to move belongings from her nom'shouse to her new house, and what is the distance Meagan must move her belongings and what is the cheapest rate between truck A and truck B
Click here to see answer by stanbon(75887)

Question 688203: 4x-8-5x=10
what is x and how do you solve it
Click here to see answer by jim_thompson5910(35256)

Question 688470: y = 5x
Given x = 2

Click here to see answer by ReadingBoosters(3246)

Question 688449: Solve the formula for the indicated variable.
P = A/1+rt, for r (finance)
Click here to see answer by ReadingBoosters(3246)

Question 688445: 3X^2 -25X+8
Click here to see answer by ReadingBoosters(3246)

Question 688448: Johnny wants to ship a package. Shipping costs $2.49 for the first pound and $1.24 for each additional pound. If it costs $11.17 to ship the package, how much did it weigh?
Click here to see answer by ReadingBoosters(3246)

Question 688427: You will follow the steps of problem solving listed below to first calculate the distance Meagan must move her belongings and then the cheapest rate between Truck A and Truck B. You must show your work for each step.
Step 1: Understand and explain the problem involved and all the different calculations needed to solve it.
Step 2: Translate the problem into equations.
Step 3: Solve the equation
Step 4: Interpret the results.

There is also a triangle with the following information:
Left side 6 miles- that is distance from mom's house to erins house.
Bottom of trianlge- 8 miles from erins house to Meagan's house.
The third side is the distance from mom's house to meagan's house but there is no mileage because we need to figure that out to solve the problem

Click here to see answer by ReadingBoosters(3246)

Question 688364: 3x+2(x-1)=8

Click here to see answer by ReadingBoosters(3246)

Question 688622: Solve For X.
5x^2 + 2 = 9x
5x^2-9x+2=0
(Divide everything by 5)
x^2 + 2/5 - 9x/5 + 2/5 = 0

This is where I get lost. I believe I should be using quadratic formula to continue on but do not know how to do so. Please finish this problem for me, with work if possible. Thanks so much!

Click here to see answer by jim_thompson5910(35256)

Question 688714: m-1=-2
Click here to see answer by ReadingBoosters(3246)

Question 688912: how do you solve:
Solve: x - 3/5 = 7/10
Solve: 9x + 2 = 8(x - 1) + 7
Click here to see answer by lynnlo(4176)

Question 688924: Solve. x/x-3 = 3+3/x-3
Click here to see answer by lynnlo(4176)

Question 688921: When factoring completely, what do you get from 4y^2-12y+9-z^2?
Click here to see answer by lynnlo(4176)

Question 688986: How would I solve 3/4d=3/8

Click here to see answer by solver91311(24713)

Question 689013: Solve. 2x^2+2x-5=0
Click here to see answer by jim_thompson5910(35256)

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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