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November 7, 2009
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Homework Help: Math: Algebra

Recent Homework Questions About Algebra

Post a New Question | Current Questions

pre algebra
Write rules for using absolute value to compare two integers. BE sure to take all of the possible combinations in to account. __ I don't know what to write?
Friday, November 6, 2009 at 6:50pm

math algebra
im not good with fractions when you have to graph them ........ graph the equation using the slope and the y-intercept. Y=5/3x+7
Friday, November 6, 2009 at 2:02pm

math algebra
The equation y=-1777x+27,152 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is x=0 corresponds to 2000, x=3 corresponds to 2003, x=4 corresponds to 2004 and so on. Predict the number of gun deaths in 2004 and 2007. In what year will t...
Friday, November 6, 2009 at 1:58pm

math algebra
Trains A and B are traveling the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling 110 mph. Train A passes a station at 6:10 A.M. If train B passes the same station at 6:40 A.M. at what time will train B catch up with Train A?
Friday, November 6, 2009 at 1:27pm

algebra
Write an equation that shows the relationship between the quantities; the total cost of hiring a certain plumber is a flat rate of $35 plus $9.50/hr.
Friday, November 6, 2009 at 12:08am

Algebra 1
Mary's class took two tests last week. 80% of the class passed the math test, 90% of the class passed the English test, and 72% of the class passed both. What is the probablility that a randomly selected student in Mary's class failed both tests? Express your answer as...
Thursday, November 5, 2009 at 11:04pm

Algebra
Write the answer to the problem as an algebraic expression. A theater ticket for adults is “A” dollars and the price of a child's ticket is “C” dollars. If 29 adults and 35 children attend the theater one night, how much money did the theater collect? S...
Thursday, November 5, 2009 at 10:37pm

Algebra
Solve the quadratic equation. x^2 – x = 56
Thursday, November 5, 2009 at 10:23pm

Algebra
Can you help me with this one? Each auditorium has both floor seats, and balcony seats. Auditoruim A has 200 floor seats and 500 balcony seats. Auditorium B has 100 floor seats and 200 balcony seats. Let f represent the cost of a floor seat and b represent the cost of a balcon...
Thursday, November 5, 2009 at 8:19pm

algebra
I need to know if i did these questions right. The main problem: A certain Metropolitan area is building a new Performing Arts Center with two auditoriums to be used as concert venues. Budget: 89,200,000 for construction cost 5,300,000 for land 1. What integer represents the t...
Thursday, November 5, 2009 at 7:05pm

math algebra (plz help ty)
The equation y=-1777x+27,152 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is x=0 corresponds to 2000, x=3 corresponds to 2003, x=4 corresponds to 2004 and so on. Predict the number of gun deaths in 2004 and 2007. In what year will t...
Thursday, November 5, 2009 at 6:30pm

pre- algebra(MATH)
I need help with pre-algebra solving equations by multiplying or dividing. Can you help me with this homework for free?
Thursday, November 5, 2009 at 6:04pm

Math
Please tell me if the answers I posted are correct with the questions given. I am terrible at math. A certain Metropolitan area is building a new Performing Arts Center with two auditoriums to be used as concert venues. Budget: $89,200,000 for construction costs $5,300,000 for...
Thursday, November 5, 2009 at 6:00pm

Algebra (math)
The equation y=-1777x+27,152 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is x=0 corresponds to 2000, x=3 corresponds to 2003, x=4 corresponds to 2004 and so on. Predict the number of gun deaths in 2004 and 2007. In what year will t...
Thursday, November 5, 2009 at 1:18pm

algebra 2.
Mr. Green, the Herbarium's owner, has come to you with another problem to solve. He wants to create a new sales display featuring giant potted plants and plants in smaller hanging baskets. He wants to set up the display in such a way that he can maximize his profit from th...
Thursday, November 5, 2009 at 12:28pm

Algebra (math)
The equation y=-1777x+27,152 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is x=0 corresponds to 2000, x=3 corresponds to 2003, x=4 corresponds to 2004 and so on. Predict the number of gun deaths in 2004 and 2007. In what year will t...
Thursday, November 5, 2009 at 1:12am

Algebra (math)
1. The equation y=-1777x+27,152 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is x=0 corresponds to 2000, x=3 corresponds to 2003, x=4 corresponds to 2004 and so on. Predict the number of gun deaths in 2004 and 2007. In what year wil...
Wednesday, November 4, 2009 at 11:30pm

algebra
amy paid $67.65 for a pair of running shoes during a 30% of sale. what was the regular price?
Wednesday, November 4, 2009 at 8:48pm

algebra
how do i factor 8m^2-6mn-9n^2
Wednesday, November 4, 2009 at 7:54pm

algebra
can someone please tell me how to solve these, thanks! 1.2(3b-4)=8b-11 2.5(r-1)=2(r-4)-6 3.2y+3=3(y+7) 4.15x-10=-9x+2
Wednesday, November 4, 2009 at 6:15pm

Algebra 2
Solve this using "inverse of the matrix". 3x-y=12 -x+8y=-4
Wednesday, November 4, 2009 at 5:44pm

7th grade Algebra 1 Honors 5-2 textbook help
How do you solve this for example g(t)-4 and the function is g(x)=x squared +1 . . . . . . .. . .I NEED THIS DONE BY TOMORROW HELP!
Wednesday, November 4, 2009 at 5:26pm

algebra 2
Solve the system by the addition method x+3y=-2 5x+15y=-10
Wednesday, November 4, 2009 at 4:37pm

Algebra 2
Solve the system by the substitution method. 5x+7y=-18 y=5x-14
Wednesday, November 4, 2009 at 4:36pm

algebra
what is the standard written form of these numbers ((1¡Á¡¼10&iexc​l;½^1 )¡Á(1¡Á¡​¼10¡½^(-1) ))/((1¡Á¡¼10&i​excl;½^0 ) )
Wednesday, November 4, 2009 at 2:35pm

algebra 2
Solve the given system of linear inequalities by graphing: x+y>4 x-y<7
Wednesday, November 4, 2009 at 1:37am

algebra 2
A manufacturer produces a standard model and a deluxe model of a 13-in. television set. The standard requires 20 h of labor to produce, whereas the deluxe model requires 25 h. The labor available is limited to 300 h per week. In addition, the plant capacity is limited to produ...
Wednesday, November 4, 2009 at 1:36am

Algebra 2
. A coffee merchant has two types of coffee beans, one selling for $3 per pound and the other for $6 per pound. The beans are to be mixed to provide 100 lb of a mixture selling for $4.98 per pound. How much of each type of coffee bean should be used to form 100 lb of the mixture?
Wednesday, November 4, 2009 at 1:36am

algebra 1
14x+3x-40=11
Wednesday, November 4, 2009 at 12:16am

pre algebra
0.85km/s= m/min
Tuesday, November 3, 2009 at 9:40pm

Algebra
describe what the graph of interval [-4,10] looks like. thank you
Tuesday, November 3, 2009 at 9:07pm

Algebra
How do you factor a quartic equation such as 4x^3-24x^2-x+6. Could you break it down step by step? thank you.
Tuesday, November 3, 2009 at 8:39pm

Math
I have a real big problem. I am not suitable for Algebra! So, could someone please explain how 5x=54+7 equals 4 o.O
Tuesday, November 3, 2009 at 8:13pm

algebra
22-5(6V-1)=-63
Tuesday, November 3, 2009 at 8:10pm

Algebra
How do you find the zeroes of the 1/2x^3-x? I factoried it so it would be 1/2x(x^2)-x. The one zero would then be zero, which matches with my book's answer. But I have no idea how my book got +/- the sq. root of two for the other one. Can you demonstrate, please?
Tuesday, November 3, 2009 at 8:09pm

algebra
f(x)=2x-15
Tuesday, November 3, 2009 at 8:04pm

algebra
If a rattlesnake had 44 rattle segments break off in it's life and died with 10 rattles, how many years did it live.
Tuesday, November 3, 2009 at 6:56pm

Algebra
I had to find the zeroes of (2t-3)/(t+5). I thought one of the answers could be -5, in addition to 3/2. But my book says -5 isn't an answer. Why?
Tuesday, November 3, 2009 at 6:07pm

Algebra
How do you find the zeroes of x/(9x^2-4)? I thought the answer would be the sq. root of 4/9, but my book says the answer is zero. Why is this?
Tuesday, November 3, 2009 at 5:11pm

Algebra
I am trying to figure out the zeroes of 2x^2-7x-30. I did this graphically in a way that matched up with the answers in my book, however, I couldn't get it by distributing. I tried (2x+-10)(x+3) but that didn't get -7x in the middle as logic told me it should. How woul...
Tuesday, November 3, 2009 at 3:20pm

Algebra
I have to find the inverse function of f(x)=3-4x. I got y=3-x/4 for the function. I then have to plug it back into the function and verify that it is the inverse. So I wrote (3-4(3-x))/4. This resulted in (-3+x)/4=x. I tried isolating it to get x=x but I just can't get it....
Tuesday, November 3, 2009 at 12:23pm

Algebra
(f/g)(-1)-g(3) when f(x)=x^2+1 and g(x)=x-4. I got -1^2/1-4-(3-4), which became 2/-3 + 1. I multiplied the 1 by -3, which resulted in -3/-3 or 3/3. 2/-3+3/3 is 1/3. But my book says the answer is 3/5. Where did I go wrong?
Tuesday, November 3, 2009 at 10:21am

Algebra
28. A gardener measures the tallest of his prize-winning sunflowers and finds that the height is 60 in. The sunflower was 52 in. tall the last time the gardener measured it. Write and solve an equation to find how many inches the sunflower grew.
Tuesday, November 3, 2009 at 3:38am

Algebra 1
7x+4-15x=36
Monday, November 2, 2009 at 10:49pm

algebra
y=3x+4; -1, 1 2, 10 3, 12 7, 1 find the solution set for each equation , given the replacement set
Monday, November 2, 2009 at 10:35pm

algebra
Month Price April (x=1) 114 May 108 June 87 July 100 August 95 September 112 October 93 November 86 December 64 Please show work. This is the answer I got: 13/17 22 hours ago - 3 days left to answer. Additional Details I think it was suppose to a slope average rate of change i...
Monday, November 2, 2009 at 7:26pm

Algebra
"What might you have if you don't feel well?" That's a math riddle actually... The letters are E,G,O,S,O,N,V,L. It has A LOT to do with math actually!
Monday, November 2, 2009 at 7:19pm

algebra
-3x+3y=0 in slope interecept form
Monday, November 2, 2009 at 5:51pm

Algebra I
I'm having trouble with polynomials and adding them...(for some reason) How would I do this problem... (5a - 3asquared) - (-6a - 6)
Monday, November 2, 2009 at 5:45pm

Algebra 1
1/2 +2/3 is greater or equal to 1/3r
Monday, November 2, 2009 at 5:32pm

Algebra
f(x)=2x-5 g(x)=2-x. I had to find f/g(x). I wrote 2x-5/2-x but this was marked incorrect. How would you do it then?
Monday, November 2, 2009 at 5:27pm

pre-algebra
twenty more than three times a number is -4.
Monday, November 2, 2009 at 5:22pm

Algebra
How can you tell an equation's real or imaginary roots just from its graph, without knowing the equation? I have to look ath the graph of a parabola, absolute value, and a negative third degree equation and do so? Are there any links that could explain this as I can't ...
Monday, November 2, 2009 at 4:40pm

Algebra
f(2)=5 f(-2)=1, I have to write the linear function for this. I got 5-1/2- -2=4/4=1 then I plugged it in so it would be y-5=1(x+2) which became y=x+7, then f(x)=x+7. The answer key, however, says f(x)=x+3. What did I do wrong?
Monday, November 2, 2009 at 3:55pm

Algebra 2 URGENT PLEASE HELP
Simplify cubed root of 135
Monday, November 2, 2009 at 2:16am

Algebra 2 URGENT
Simplify cubed root of 135
Monday, November 2, 2009 at 2:04am

Algebra 2 URGENT
simplify cubed root of 375 a to the 5 power
Monday, November 2, 2009 at 1:14am

Algebra 2
Simplify cubed root((3-4)to the-1 power)
Monday, November 2, 2009 at 1:10am

Algebra 2
Simplify √(〖​(4)〗^(-2)+(3)^(-2)
Monday, November 2, 2009 at 1:06am

Algebra 2
Simplify cubed root of 4 times 8 to the -1 power ∛(4*8âˆ&laq​uo;â–’ã€​0;-1〗)
Monday, November 2, 2009 at 1:01am

Algebra 2
Simplify √(4 to the-1 power 3to the-2 power)
Monday, November 2, 2009 at 12:56am

algebra
-4x>1 - 11 typeb an inequslity or fraction
Sunday, November 1, 2009 at 10:35pm

Algebra1
Here's the problem. I have to write an equationa and solve. The greater of two consecutive integers is 15 more than twice the smaller. Find the intergers. Thank you guys so much! =)
Sunday, November 1, 2009 at 10:31pm

algebra
x=-5 find the slope if there is one
Sunday, November 1, 2009 at 10:22pm

algebra
simplify: (p^-4+m p^2m)^-4 ________________ (p^-4)^-m
Sunday, November 1, 2009 at 9:51pm

algebra
simplfy 7[-93-(98-32)]= help
Sunday, November 1, 2009 at 9:43pm

algebra
-5/6x=-7/8
Sunday, November 1, 2009 at 9:25pm

algebra
8x-(5x+)=14 the solutions is X= help
Sunday, November 1, 2009 at 9:18pm

Algebra
solve by elimination method; 3r-7s=13, 7r-3s=69
Sunday, November 1, 2009 at 9:15pm

math
What is the geometrical meaning of the central extension of the algebra of diffeomorphisms of the circle?
Sunday, November 1, 2009 at 8:23pm

algebra
in 1995 the life expectancy of males in a certain country was 68.7 yrs in 2000 it was 71.3 yrs let E repressent the life expectancy in yrs T and let T represent the the number of yrs since 1995. the linear function e (t) that fits the data is e (t)=T+ round to the nearest tent...
Sunday, November 1, 2009 at 8:10pm

algebra
heres a bad one i cant get trains A and B are travling in the same direction on a parrallel track train A is travling at 100 mph and train B is travling 104 mph train A passes a station at 5:10 p.m. if train B passes the same station at 5:40 p.m. at what time will train B catc...
Sunday, November 1, 2009 at 7:21pm

algebra
y-9>-16 the solutions is y> i dont get this?
Sunday, November 1, 2009 at 7:12pm

algebra
I have 3 questions in 1. State whether the equations 3x^2=5, y=10^3X, and y=2x=23-14x represent a linear, quadratic or exponential function and why? I am confused on this.
Sunday, November 1, 2009 at 7:10pm

algebra
is (8,9) the solution of 2x+4y=6
Sunday, November 1, 2009 at 7:06pm

Algebra
What is the best method for Solving equations with variables on both sides? This is the problem: 1(6x-x)=162+12x
Sunday, November 1, 2009 at 7:03pm

algebra
i have to find the slope and the y intercept i dont no how to do slopes f (x)=-5x-2 the slope is the y intercept is(0, )
Sunday, November 1, 2009 at 7:00pm

algebra
1 - 6 (6-x)=27+2x
Sunday, November 1, 2009 at 6:50pm

algebra
2x+3y=1 4x+6y=2 is there a order pair here or is there no solution
Sunday, November 1, 2009 at 6:38pm

algebra
type an inequilty -0.2x<-12 the solutions is im not sure how to do this
Sunday, November 1, 2009 at 6:06pm

algebra
im suppposed to determine if this is parralled perpendicular or neither 2x+3y=2 3x-2y=9
Sunday, November 1, 2009 at 5:41pm

Algebra 3
how would I write this in quadratic form? 4x to the eighth power plus 4x to the fourth power plus seven.. I am so confused..
Sunday, November 1, 2009 at 4:45pm

algebra
find the indicated out puts for f (x)=5x^-2x f(0)= f(-1)= f(2)=
Sunday, November 1, 2009 at 4:37pm

Algebra
I'm not sure how to find the domain for the 4th root of (1-x^2). Can you break down the process for me please?
Sunday, November 1, 2009 at 4:24pm

algebra
-21+3z/7 / 4z-28/49
Sunday, November 1, 2009 at 3:36pm

algebra
im supposed totraqnslate to an algebraic expression. the product of 19% some number the translation is type the percentage use a decimal use q to reprensent some number. help please
Sunday, November 1, 2009 at 3:30pm

algebra
im supposed to solve by the elimination method 5r-25=33 2r+5s=48
Sunday, November 1, 2009 at 2:57pm

algebra
math word problem amy paid $55.73 for a pair of running shoes durning a 40% off sale what was the regular price?
Sunday, November 1, 2009 at 2:24pm

algebra
im supposed to collect like terms 17p+5q-6p-9q=
Sunday, November 1, 2009 at 1:55pm

Algebra
The function 5x^2+2x-1's domain is all real numbers, according to the answer key. However, I don't know how to factor this to prove it. Could you show me? The function the sq. root of y-10 has a domain of all numbers so that y is greater than or equal to zero. But I do...
Sunday, November 1, 2009 at 12:19pm

math- Algebra 2
An auditorium has 49 rows of seats. The first row contains 40 seats. As you move to the rear of the auditorium, each row has 3 more seats than the previous row. * I am pretty sure it involves both arithmetic series and explicit formulas but im not sure exactly how to go about it
Sunday, November 1, 2009 at 12:19pm

algebra
5/z+6 + 5/3z
Sunday, November 1, 2009 at 12:12pm

math- Algebra 2
I have absolutely no idea how to do this please help! Find the sum: it has the sigma sign with 12 at the top, (10k-8)(6k+7) in the middle and k=1 at the bottom
Sunday, November 1, 2009 at 10:26am

algebra
Sovle by substitution: 2x-3y=9 4x-6y=-12
Sunday, November 1, 2009 at 7:59am

algebra
Solve by substitution: y=x-4 x+y=14
Sunday, November 1, 2009 at 7:58am

algebra 2
Find the midpoint of the points -9 and 3
Saturday, October 31, 2009 at 12:30pm

algebra
how do you know when an equation has infinitely many solutions
Friday, October 30, 2009 at 11:05pm

algebra
would 5 trees be a solution to the inequalit inpart b
Friday, October 30, 2009 at 9:59pm

Algebra
61). Domain for 8x+3/11-x. The book says it's -3/8 but I think it should be 11, so the denominator is zero. Why is this?
Friday, October 30, 2009 at 7:30pm

Algebra 1A
could someone please help and check my answer thank you. simplify your answer, type an inequality symbol, then type an integer or a decimal solve 7 x + 2 <30 the solution is {x[< 30}, 0.30 is this correct?
Friday, October 30, 2009 at 6:51pm

ALGEBRA 1 A
The St. Mark's Community Barbecue served 250 dinners. A child's plate cost $3.50 and an adult's plate cost $7.00. A total of $1347.50 was collected. How many of each type of plate was served? Is the answer 125 for child and 125 for adult is this correct?
Friday, October 30, 2009 at 4:58pm

math algebra
Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $70 of her medical bills, plus 30% of the rest. Under plan B, Giselle would pay the first $170, but only 20% of the rest. For what amount of medical bills will plan B save Giselle mone...
Friday, October 30, 2009 at 3:13pm

algebra
in order to achieve maximum results from aerobic exercise should maintain one's heart rat at a certain level. a 30 year oldwoman with a resting heart rate of 65beats per minute, should keep her heart rate between 140 and 165 beats per minute while exercising. She checks he...
Friday, October 30, 2009 at 3:08pm

math algebra
4/5(2x-1)>12
Friday, October 30, 2009 at 2:37pm

math algebra
i was wondering if there is a site that helps with interval notations?
Friday, October 30, 2009 at 1:47pm

algebra
solve by the subtitution method. 2x+3y=8 -6x+y=36 I came up with (-2,-6) am I close
Friday, October 30, 2009 at 10:55am

algebra 2
Find the LCD for the following pairs of rational expressions. numerator 8 divided by denominator x negative 13 and numerator 7 divided by denominator x plus 15
Thursday, October 29, 2009 at 8:46pm

algebra 2
Multiply and simplify as indicated. numerator x divided by denominator x to the 2 power negative 2x times numerator 27x negative 54 divided by denominator 15x
Thursday, October 29, 2009 at 8:46pm

algebra 2
Divide as indicated. numerator 4 x to the 5 power divided by denominator 9 y to the 4 power divided by denominator numerator 2 x to the 2 power divided by denominator 9 y to the 2 power
Thursday, October 29, 2009 at 8:45pm

algebra 2
Simplify the rational expression. numerator 3x negative 21 divided by denominator 49 negative x to the 2 power
Thursday, October 29, 2009 at 8:44pm

algebra 2
Simplify the rational expression. numerator 3 x to the 2 power plus x negative 10 divided by denominator 3 x to the 2 power negative 2x negative 5
Thursday, October 29, 2009 at 8:44pm

Algebra 2
Simplify the rational expression. Simplify the rational expression. numerator 4 x to the 2 power negative 16 divided by denominator x to the 2 power negative x negative 6
Thursday, October 29, 2009 at 8:43pm

algebra II
write the sum or difference in the standard form a+bi (2-3i)+(6+5i) (squareroot5-3i)+(-2+squareroot-9)
Thursday, October 29, 2009 at 8:11pm

algebra
solve by substitution, 9x+2y=-64
Thursday, October 29, 2009 at 5:39pm

Algebra
How come x: -1,0,1,2,3,4 y:-2,1,2,1,-2,6 does not have an inverse? I don't see why you just can't flip the x and y values (for example X:-2, y:-1) and have that be the inverse. Could you explain?
Thursday, October 29, 2009 at 4:52pm

algebra2
What is the slope of the line passing through the points (-3, 24) and (10, -41)? Round to the nearest integer if necessary.
Thursday, October 29, 2009 at 9:10am

algebra
5-3(w+4)=w-7
Wednesday, October 28, 2009 at 9:30pm

algebra
7x=5+5x
Wednesday, October 28, 2009 at 7:53pm

math
Find an algebraic model for the sum of a number and its reciprocal. I have come up with y=x+ (1/x), although I was wondering if it would be correct to write it as y=x^2+1/x I am supposed to graph this, but when i graph both I get different graphs on my graphing calculator. Ple...
Wednesday, October 28, 2009 at 7:28pm

algebra
3b-13+4b=7b+1
Wednesday, October 28, 2009 at 6:17pm

algebra
7n+6=4n-9
Wednesday, October 28, 2009 at 6:16pm

Pre- algebra Math 6 th grade Gifted
what is the sum of the numbers 1 to 1000? ans:500500
Wednesday, October 28, 2009 at 5:47pm

Algebra
I had to solve the function g of f where f is x^2+1 and g is sq. root of x. I wrote this out as the sq. root of x^2+1. The ^2 and the sq. root canceled each other out, so I was left with x + sq. root of 1. But my book got sq. root of x^2+1. Was the further reducing I did accep...
Wednesday, October 28, 2009 at 4:39pm

Algebra I
Factor each polynomial: 2wcubed + 6wsquared - 4w I got...2w(2wsquared - 2)
Wednesday, October 28, 2009 at 4:27pm

Pre-Algebra
Can I have someone check this please? I wouldn't want to do the whole page, then find out I had done them all wrong. :( [Percents of Change] A $100 digital watch is now $72 Decrease, 72/100 = negative percent. 100/72.00 = .72 .72 - 1 = 30%? Thanks. 30% is my final answer, ...
Tuesday, October 27, 2009 at 11:30pm

algebra
Find the root (solve) of each equation. a)1/3 (2w-6)=-10 b)3a-7/4=4a+5/3 c)3k/2-k+3/3=8-k+2/4
Tuesday, October 27, 2009 at 10:35pm

algebra
7.3xgreater than or less than -87.6
Tuesday, October 27, 2009 at 10:01pm

5th grade
what is the algebraic expression for 200 less than 3?
Tuesday, October 27, 2009 at 9:40pm

algebra
Expand. a) 3(y-7) b)-4k(2k+6) c)4b(b2-2b+5)
Tuesday, October 27, 2009 at 9:27pm

ct.
MS. Sue , Thank for your response. Can you once more check to see if I have matched these (7) fallacy statements correctly . 1 . I don't care if she is the top psychiatrist in the state ! Her theory on sibling rivalry is extreme. How can we believe anything she says if she...
Tuesday, October 27, 2009 at 9:21pm

algebra
Factor a)6y+18y2 b)3m - 9m2 + 15m3 c)12k2 - 48k4 - 18k6
Tuesday, October 27, 2009 at 9:03pm

algebra
1/3 (2w-6)= -10 subtract 2w from each side 1/3(2w-2w-6)= -10-2w 1/3-6 = -8w add 6 to each side 1/3-6+6=-8w+6 1/3=-2w bobprusly what do i do from here am i correct so far???
Tuesday, October 27, 2009 at 8:54pm

Algebra
Three authors team up to write a childrens book. The publisher pays them according to the following contracts Author - Fixed Rate - Royalty Patricia $3000 - 1n Stephan - $1500 - 2n Harlan - $1000 - 3n Determine the total payout if the book sells * 200 copies * 5000 copies
Tuesday, October 27, 2009 at 8:33pm

Algebra
Find the period of a pendulum that is 3 meters long if the period, T, of a pendulum in seconds can be found using the formula T = 2pi(square root L/9.8 find it for 2.5 meters as well. Would love to see the work, not just the answer. thank you.
Tuesday, October 27, 2009 at 8:14pm

Algebra
Total age of 3 sisters is 39 Dina is 1/2 as old as Michelle and 3 years younger than Juliettte. How old are the sisters ?
Tuesday, October 27, 2009 at 7:57pm

algebra
Lisa has twice the amount of purses as Sally. If Sally has 6 purses, how many does Lisa have?=6x+6 algebra - Ms. Sue, Tuesday, October 27, 2009 at 5:44pm 2 * 6 = ? algebra - Jarod, Tuesday, October 27, 2009 at 5:59pm Sorry it is 12 so would I 6x2=12 or 6*2=x x=12
Tuesday, October 27, 2009 at 7:19pm

algebra
In algebra does a negative and a negative equal a positive?
Tuesday, October 27, 2009 at 6:58pm

algebra
Okay so.....I'm really bad at equations and all that and i need help with just these two problems... 1. -x + 7y - x - 6y + 4x 2. -x - 8x + 7 Thanks!..
Tuesday, October 27, 2009 at 6:50pm

algebra
Lisa has twice the amount of purses as Sally. If Sally has 6 purses, how many does Lisa have?=6x+6
Tuesday, October 27, 2009 at 5:42pm

algebra
Lisa has twice the amount of purses as Sally. If Sally has 6 purses, how many does Lisa have?=6x+6
Tuesday, October 27, 2009 at 5:05pm

Algebra
Simplify in terms of i. -8√-25 + 2√-225 Solution: -10i ?
Tuesday, October 27, 2009 at 4:54pm

Algebra
Simplify in terms of i. 1/4 √-24 Solution: 1/2i√6 ?
Tuesday, October 27, 2009 at 4:41pm

Algebra
Simplify in terms of i. √-121 11i?
Tuesday, October 27, 2009 at 4:39pm

algebra
can anyone tell me a few site good for algebra 1a?
Tuesday, October 27, 2009 at 2:59pm

Algebra
I need help solving these three problems. 1/4(7 + 3g) + -g/8 Twice the greater of two consecutive odd integers is 13 less than three times the lesser number. Find the integers. About 4.9 million households had one brand of personal computers in 2001. The use of these computers...
Tuesday, October 27, 2009 at 6:27am

algebra
Check whether the ordered pair is a solution to the equation x =3/4; (1/2, 3/4). Please show me step by step how you came up with this answer because I am really confused.
Tuesday, October 27, 2009 at 3:15am

pre algebra
I have a problem and I would like to know how to work out the problem to get the answer. Write an algebraic expression for each phrase product of m and n -2 What are the steps in working this out?
Tuesday, October 27, 2009 at 1:02am

pre-algebra
mr conner's students made kites in science class. he brought a 500-yd bolt of twine to tie to the kites. if he wants to give each student a piece of twine 331/3 yards long. what is the maximum number of pieces of twine mr. conner will be able to make from the bolt of twine?
Tuesday, October 27, 2009 at 12:19am

pre algebra
w+9/14 greather than or equal to 5/14
Tuesday, October 27, 2009 at 12:18am

pre-algebra
x/-2.5<-1.54 solving ineualities with rational numbers'---how do i do this?
Tuesday, October 27, 2009 at 12:16am

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