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April 16, 2014

Search: Math : Algebra

Number of results: 279,586

math.
solve the equation. 2x^2+5=41
Tuesday, October 21, 2008 at 7:12pm by algebra.

Math
how do i factor 8X^2+10X-3 I know the answer is (4X-1)(2X+3) I just guessed and checked not sure about thorught process thats suppose to go trough my head here when dealing with a number before X^2 please tell me cuz i can get the answer by guessing but that takes to long
Sunday, December 7, 2008 at 9:07pm by Algebra

math
please solve this for me.. i feel as if i am doing this wrong.. (1000/s-120)- (1000/s) = 1/2
Monday, September 21, 2009 at 6:21pm by algebra

math
The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 34 cm when the weight is 3 kg, what is the distance when the weight is 9 kg? 22. Find the variation constant and an equation of variation where y ...
Sunday, May 15, 2011 at 10:36pm by algebra

Math
1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where C is a constant, ...
Friday, October 21, 2011 at 8:40pm by Algebra

math
Solve the following system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions. x-3y=5 2x-6y=10
Wednesday, May 2, 2012 at 2:45pm by ,algebra

math
Solve the following system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions x-y=4 3x-5=2
Wednesday, May 2, 2012 at 2:45pm by ,algebra

math
Solve the following system using elimination. If a single solution exists, write the solution as an ordered pair. Your answer will be an ordered pair, no solution, or infinitely many solutions x-y=4 3x-5=2
Wednesday, May 2, 2012 at 3:20pm by ,algebra

math
Anita and Maria went to the candy store. Maria bought 5 pieces of fudge and 3 pieces of bubble gum for a total of $5.70. Anita bought 2 pieces of fudge and 10 pieces of bubble gum for a total of $3.60. Determine the cost of 1 piece of bubble gum.
Wednesday, May 2, 2012 at 4:24pm by ,algebra

math
Sketch the graphs of f(x) = x^2 and g(x) = 2x. Find a number a between 0 and 2 so that when the region between the graphs of f and g for 0 <= x <= a is revolved about the y-axis, the volume of the solid produced is 7pia3/12 . Please show all work
Monday, December 31, 2012 at 3:20pm by algebra

math
Sketch the graphs of f(x) = x^2 and g(x) = 2x. Find a number a between 0 and 2 so that when the region between the graphs of f and g for 0 <= x <= a is revolved about the y-axis, the volume of the solid produced is 7pia3/12 . Please show all work
Monday, December 3, 2012 at 6:17pm by algebra

math
kenny can assemble a desk in 40 minutes while his friend paul can assemble the same desk in 20 minutes. kenny worked for 10 minutes and decided to ask paul to work together with him to finish the job earlier, so that they can go to see a football game. how many more minutes ...
Thursday, August 1, 2013 at 12:22pm by Algebra

math
There are 22 students on the debate team. The number of boys is two more than three times the number of girls. How many boys are on the team?
Tuesday, March 18, 2014 at 8:55am by algebra

math
The wheelers' bill at a restaurant is $63.00.How much money should Mr.Wheeler leave as a tip 15%?
Sunday, April 6, 2014 at 11:35pm by algebra

Lynn
What are some pros and cons of using each of the following methods when solving equations? -graphing -using substitution or elimination I hope to gain additional thoughts on this, thanks.
Monday, June 21, 2010 at 5:50pm by Math (Algebra)

Lynn
Thank you, I did not know that graphing may reduce the accuracy of the answer. This is very helpful.
Monday, June 21, 2010 at 5:50pm by Math (Algebra)

Lynn
Okay, I am sorry, I was misunderstood. I now understand what you are saying. Luckily the graphs I use are on the computer and I am able to to zoom in for accuracy. I never knew about graphing calculators!
Monday, June 21, 2010 at 5:50pm by Math (Algebra)

Algebra - Math
Hi Ms. Sue, Can you tell me how you came up with those dimensions, so I can understand the problem. Thank you T. Adams
Saturday, July 16, 2011 at 3:24pm by Algebra - Math

fast answer plss
the sum of four angles about a point is 360degree.the measure of the 2nd angle is 6degreemore than 3times the 1st,the measure of the 3rd is 3degree more than twice the first,the measure of the 4th is 20 degree less than the 3rd.what is the measure of each angle?
Friday, October 11, 2013 at 10:13am by math algebra

ALGEBRA
How many ordered triples of complex numbers(a,b,c) are there such that a^3-b,b^3-c,c^3-a are rational numbers, and a^2(a^4+1)+b^2(b^4+1)+c^2(c^4+1)=2[{(a^3) b}+{(b^3)c}+{(c^3)a}]
Friday, October 11, 2013 at 10:54am by algebra,math

Math: Calculus
njdsdhdj
Wednesday, November 17, 2010 at 10:42pm by algebra

algebra
first mutibly the base with the power.
Tuesday, October 13, 2009 at 3:21pm by math

algebra
the permeter of a rectangle is 148 inches the length exceeds the width by 52 inches find the length and width..
Sunday, January 17, 2010 at 4:30pm by math

algebra
yes so the width is 11 and the length is 63
Sunday, January 17, 2010 at 4:30pm by math

algebra
solve for the equation 81^2x+1=3^4
Tuesday, January 11, 2011 at 8:20am by math

algebra
/6x^2=2-x /=radical sign
Tuesday, January 11, 2011 at 9:16am by math

algebra
solve for the equation |x-3x+5|=7
Tuesday, January 11, 2011 at 9:28am by math

algebra
solve for the equation 4[(2b+5)/(b+4)]=0
Tuesday, January 11, 2011 at 9:30am by math

algebra
/6x^2-2=2-x /=radical sign
Wednesday, January 12, 2011 at 1:41am by math

algebra
/6x^2-2 = 2-x /=radical sign
Thursday, January 13, 2011 at 8:45am by math

algebra
2x/x-4 + 4/x-3 = 8/x^2-7x+12
Thursday, January 13, 2011 at 8:47am by math

algebra
1/x+2 - 2/x+3 = 3/x^2+5x+6
Thursday, January 13, 2011 at 8:48am by math

ALGEBRA
(-13,-15) and (-6,-18) Find the slope, if it exists, of the line containing the pair of points
Wednesday, April 27, 2011 at 8:43pm by MATH

Algebra
Train A is traveling at 100 mph and train B is traveling at 104 mph. Train A passes a station at 12:15 p.m. If train B passes the same station at 12:45 p.m., at what time will train B catch up to train A? HELP please I am drawing a complete balank at figuring the how to solve ...
Friday, May 6, 2011 at 11:52pm by Math

Algebra
a low ha
Tuesday, March 24, 2009 at 9:31pm by math

algebra
The perimeter of a rectangle garden is 80m oits length is 4m more than 5 times its width, find the dimensions of the garden
Thursday, August 2, 2012 at 10:53am by math

algebra
all
Monday, December 9, 2013 at 7:11am by math

Algebra 1
-13=2b-b-10 1st step. (2b-b) = -13=b-10 2nd step- Make sure the variable (b) is on one side. We must add 10 to each side to make sure that variable (b) stands alone. -13 = b - 10 +10 = b + 10 ----------- -3 = b
Wednesday, October 1, 2008 at 11:26pm by Math

Algebra 2
i'm not sure how to evaluate this (6)/(X^-4) + (5)/(X^-2)
Sunday, February 1, 2009 at 10:30pm by Math

algebra II
�ã(x+9)= -9
Sunday, July 25, 2010 at 1:22pm by math

algebra 2
how do you solve x+2y=17 and 3x+6y=-5 to find out how many solutions it has?
Friday, March 4, 2011 at 9:08am by math

Algebra 1
Idk hold on
Tuesday, March 24, 2009 at 9:31pm by math

CALCULUS
Find a formula for the inverse of the function. y=x^2-x, x>=(greater than or equal to) 1/2 Please give me a step by step explanation. I think my algebra is wrong... Ty
Saturday, February 1, 2014 at 9:16am by MATH

or pre-algebra
(a)on july 15,2007 , the national debt of the united states of americawas a little more than 8.8 trillion dollars. at that time, the population of the united states was a little more than 300 million. approximately how much money would each of the 300 million people living in ...
Thursday, November 13, 2008 at 11:43pm by math

honors algebra 1
composition function g(f(x)) so where ever you see x in the g(x) equation plug in f(x) so do the reverse g(x)= (1/2)x so when you check your work g(f(x))= (1/2(2x)) ----> the 1/2 and the 2 cancel and you are left with just x so it checks!
Thursday, March 4, 2010 at 9:35pm by math

9th grade algebra
LAME
Thursday, November 12, 2009 at 1:31pm by MATH !)

9th grade algebra
LAME
Thursday, November 12, 2009 at 1:31pm by MATH !)

Matthew
Simplify: 5x{24-19)x[25+23)divided by 12-(9-7)} Please help! Subject is algebra. sorry- please help! Am I working the problem correctly? IS THE ANSWER 50? 5x{24-19)x(25+23)divided by (12-(9-7)) = (5x5x48)/(12-2) = (25 x 48)/10 = ? No, the answer is not 50. As best as I can ...
Wednesday, February 14, 2007 at 5:54pm by Math

Math
1) Solve: 8x C (6x + 4) = 8 x = -2 2) -7x > 1/15 the solution set is: {x | x > -105} 3) Solve 5> -4x + 4 or 10 -4x +3 the solution to the inequality is: [-, -7/4] U [-1/4,] 4) Use < or > to make the statement true: -9 < 3 5) Graph the inequality on a ...
Wednesday, November 5, 2008 at 11:42am by Algebra HELP!!!

math
are you in pre algebra...?
Thursday, May 14, 2009 at 3:50pm by Steve Math

Algebra 2
I need help factoring... I refuse to just sit there and play little games in my head trying to get numbers that fit... I'd rather thing of it as solving for X then going in backwards as that makes much more sense to me... So I'm given 16c^2 - 64 and i'm asked to factor... ...
Thursday, April 2, 2009 at 7:36pm by Algebra 2

Math/Algebra
AlgebRA / MATH
Tuesday, March 30, 2010 at 6:48pm by stephanie

ALGEBRA
Evaluate the expressions: 1. -8x when x=6 2. 3xsquared-5x when x=-2 3. -4((the absolute value sign) y-12 (the absolute value sign))when y=5
Thursday, September 13, 2007 at 5:43pm by bad @ math

ALGEBRA
How are these: 1. -48 2. 22 3. -28
Thursday, September 13, 2007 at 5:43pm by bad @ math

Algebra
I think i would look at this from another direction. the first part of the question says there is a guaranteed attendance and a guaranteed total ticket receipt. i would take this to mean that the magician is guaranteed a minimum of either 1000 attendees or $4800 which ever is ...
Tuesday, October 21, 2008 at 4:44pm by math dad

Algebra
Use substitution to determine whether the ordered pair (– 3, – 2) is a solution of the equation 5x + y2 = –11. Show some work. Be sure to state your conclusion about whether the ordered pair is a solution or not.
Friday, October 29, 2010 at 3:09pm by Math Loser :(

algebra
Use synthetic division to divide the polynomial 2x3 – 45x + 28 by x + 5, and write the quotient polynomial and the remainder. [Be careful – notice that there is no x2 term.]. Show work.
Monday, November 22, 2010 at 6:17am by Math Loser :(

algebra
Consider the polynomial f(x) = 3x3 – 2x2 – 7x – 2. (a) By using the Rational Zero Theorem, list all possible rational zeros of the given polynomial. (b) Find all of the zeros of the given polynomial. Be sure to show work, explaining how you have found them.
Monday, November 22, 2010 at 6:18am by Math Loser :(

algebra
the population P(t) of a new residential development t years after 2010 is P(t)=8000(1-e^-0.3). What is the population for 2015?
Sunday, December 5, 2010 at 5:51pm by math help

algebra
convert to a logarithmic equation:8^y=4096 Please show work.
Sunday, December 5, 2010 at 5:57pm by math help

algebra
solve {5-8x}>11 and write interval notation for the solution set.
Sunday, December 5, 2010 at 5:59pm by math help

algebra
Solve x-9/x^2-4 < 0 and write interval notation
Sunday, December 5, 2010 at 7:05pm by math help

algebra
6215 is the right answer. What were the steps without a calculator? Thanks!
Sunday, December 5, 2010 at 5:51pm by math help

algebra
log9 1= _______ (fill in the blank) Let x=log2 1/32 . Write the exponential form of the equation and solve the equation for x.
Sunday, December 5, 2010 at 7:09pm by math help

algebra
the population P(t) of a new residential development t years after 2010 is P(t)=8000(1-e^-0.3t). What is the population for 2015? * algebra - Reiny, Sunday, December 5, 2010 at 6:19pm replace t with 5 and evaluate using your calculator (I got 6215) I was the population to ...
Sunday, December 5, 2010 at 7:11pm by math help

aLGEBRA
Tracy wants to purchase custom-made bumper stickers to advertise her business. Two websites offer different deals: Website A: Pay a fee of $116.00, plus $0.50 per bumper sticker or Website B: Pay a fee of $99.50, plus $0.65 per bumper sticker At least how many bumper stickers ...
Sunday, December 5, 2010 at 10:29pm by math help

algebra
Solve and check all proposed solutions. Show work for solving and for checking. x+1/x-1 - 2/x^2-x=0
Sunday, December 5, 2010 at 10:31pm by math help

ALGEBRA :/
First, take a look at what's inside the brackets. You would start by distributing the negative to the m and the 80. 5[5m-(m+80)]>-8(m-6) 5[5m-m-80]>-8(m-6) Then distribute the 5 to what's inside the brackets. 25m-5m-400>-8(m-6) Then distribute the -8 to what is in the...
Tuesday, May 17, 2011 at 7:12pm by Math nerd

Algebra
Substitute 2x for x into the function, which would leave you: h(x)=(2x)^2-2x Factor out a 2x. H(x)=2x(x-1) then set 2x and x-1 both equal to 0. 2x=0 x-1=0 x= 0 x=1
Tuesday, May 17, 2011 at 8:59pm by Math Nerd

algebra
a^3-2a^2/2a^2-4a a^2(a-2)/2a(a-2) Reduces to a/2
Thursday, May 19, 2011 at 3:59pm by Math Nerd

algebra
(y-3)(y-6)=0
Thursday, July 28, 2011 at 9:23pm by college math

algebra
A perfect minor wholetone is a frequency rtio of 10:9. A perfect major wholetone is a frequency ratio of 9:8. Are these noticeably different from an equal temper wholetone? (200 cents)
Monday, November 7, 2011 at 11:45pm by Math musician

algebra
Find the frequency in terms of the reference frequency of a sound which haa a pitch of 360 cents.
Saturday, November 12, 2011 at 9:07pm by math musician

algebra
a tugboat goes 160 miles upstream in 20 hours. The return trip downstream takes 10 hours. Find the speed of the tugboat without a current and the speed of the current.
Sunday, June 10, 2012 at 8:58pm by Math Girl

algebra
I dont know if i did this correct. c+(4-3c)-2=0 c+1c-2=0 1c-2=0 -1=0 c= -1 ?
Sunday, June 24, 2012 at 7:23pm by math help

algebra
Lowest term 9/11 - 5/12. Please need help confuse
Tuesday, July 17, 2012 at 2:09am by Hate math

algebra
Lowest term 9/11 - 5/12. Please need help confuse
Tuesday, July 17, 2012 at 2:09am by Hate math

algebra
no, its incorrect
Monday, April 29, 2013 at 11:46am by Math defender

algebra
Math
Wednesday, February 24, 2010 at 1:32pm by Anonymous

Math
A population of 250 frogs increases at an annual rate of 22%. a. Write an exponential function to model the population of frogs.
Sunday, March 27, 2011 at 11:42pm by Algebra 2. Help, PLEASE!

Math
b. Find the population of frogs after 5 years.
Sunday, March 27, 2011 at 11:42pm by Algebra 2. Help, PLEASE!

Math
A population of 250 frogs increases at an annual rate of 22%. a. Write an exponential function to model the population of frogs. b. Find the population of frogs after 5 years.
Sunday, March 27, 2011 at 11:44pm by Algebra 2. Help, PLEASE!

math
200=65+.10x She earns a flat salary of 65 weekly no matter what. Her commission is 10% and is a reward for her to sell more. 200 is her total. x is what you want to know. Subtract 65 from both sides. 135=.10x Divide both sides by .10 x=$1350 in sales that week
Tuesday, September 18, 2012 at 10:41am by former algebra lover

math
Subtract 1t from both sides to get all of your t's on one side: 4t=-7 t=-7/4 or t=-1 3/7
Tuesday, September 18, 2012 at 12:59am by former algebra lover

math
Probability
Sunday, September 30, 2007 at 8:08pm by Algebra 12 science

Collge Algebra
again, i think i'd look at the quadratic equation. post back if you don't know what this is and i'll give you an alternative.
Tuesday, October 21, 2008 at 5:08pm by math dad

Collge Algebra
i get -4 and 2. is that what you got?
Tuesday, October 21, 2008 at 5:08pm by math dad

Math - Algebra
your problem with 7 put in as x. 49-14-3 32 -------- = ---- = 0 21+11 32
Wednesday, December 12, 2007 at 7:47pm by Teaching Math

algebra 2
the loudness L of a sound in decibels is given L=10log10R, where R is the sound's relative intensity. if the intensity of a certain sound is tripled, by how many decibels does the sound increase? due tomorrow, tuesday, april 5th, 2011. help pleaseeeee ;)
Monday, April 4, 2011 at 7:13pm by math challenged

algebra 2
ahhhhhh thank you! you're my mathematical hero :) hahaha
Monday, April 4, 2011 at 7:13pm by math challenged

Algebra 2
What do you want done?? Do you want it solved for y?
Wednesday, May 25, 2011 at 5:37pm by Math Nerd

Algebra 2
If so, first square both sides, which would leave you: (2-y)(2-y)=y+4 FOIL 4-4y+y^2=y+4 Then subtract 4 and y which would get you y^2-5y=0 Factor out the y. y(y-5)=0 y=0 or y=5
Wednesday, May 25, 2011 at 5:37pm by Math Nerd

math/algebra
math
Tuesday, January 18, 2011 at 1:07am by Anonymous

math/algebra
math
Tuesday, January 18, 2011 at 1:07am by Anonymous

math/algebra
math
Tuesday, January 18, 2011 at 1:07am by Anonymous

Algebra
1.Solve (x)/(x+10)+(x-3)/(x+2)=7/5..I got that there is no solution, is that correct? 2. Solve (x)/(x-5)+1=(5)/(x-5)..I got that there is no solution for this one too, is that correct? 3. Express your result in simplest form, (4)/(xy)+(6)/(xy)..I got (10)/(xy) is that correct...
Sunday, May 27, 2007 at 9:49am by Helpless in Math

Algebra
1. (2x-6)/(21) divided by (5x-15)/(12) 2. Solve (x)/(x-9)-4=(9)/(x-9)..I got -6, is that correct? 3. Add. Express your answer in simplest form...(4)/(s)+(6)/(s^2).. 4. Add. Express your answer in simplest form...(x^2)/(x+4)+(8x+16)/(x+4) Lets check you number 2) -6/(-15) - 4= ...
Sunday, May 27, 2007 at 9:53am by Helpless in Math

algebra
which of the following is true about the polynomial f(x) = x3 + 9x2 + 24x + 16 ? a. -1 is a zero b. 1 is a zero c. -2 is a zero d. 2i is a zero
Monday, November 15, 2010 at 4:51pm by Math is TOUGH

algebra
the function w(x)=-0.01x^2+0.27x+9.20 can be used to estimate the number of workers in the US, x years after 1980. How many workers were there in 1995? please show work. a. 9.2 M b. 10.4M c. 11M d. 15.5M
Monday, November 15, 2010 at 4:53pm by Math is TOUGH

algebra
Which of the following describes the end behavior of the graph of the function f(x) = –x6 – 3x4 + 7x – 5? a. downward to the left and upward to the right b.upward to the left and downward to the right c.downward to the left and downward to the right d.upward to the left and ...
Monday, November 15, 2010 at 5:12pm by Math is TOUGH

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