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Homework Help: Math: Algebra
Recent Homework Questions About Algebra
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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?
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
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...
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?
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.
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...
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...
Algebra
Solve the quadratic equation. x^2 – x = 56
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...
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...
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...
pre- algebra(MATH)
I need help with pre-algebra solving equations by multiplying or dividing. Can you help me with this homework for free?
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...
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...
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...
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...
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...
algebra
amy paid $67.65 for a pair of running shoes during a 30% of sale. what was the regular price?
algebra
how do i factor 8m^2-6mn-9n^2
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
Algebra 2
Solve this using "inverse of the matrix". 3x-y=12 -x+8y=-4
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!
algebra 2
Solve the system by the addition method x+3y=-2 5x+15y=-10
Algebra 2
Solve the system by the substitution method. 5x+7y=-18 y=5x-14
algebra
what is the standard written form of these numbers ((1¡Á¡¼10¡½^1 )¡Á(1¡Á¡¼10¡½^(-1) ))/((1¡Á¡¼10¡½^0 ) )
algebra 2
Solve the given system of linear inequalities by graphing: x+y>4 x-y<7
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...
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?
algebra 1
14x+3x-40=11
pre algebra
0.85km/s= m/min
Algebra
describe what the graph of interval [-4,10] looks like. thank you
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.
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
algebra
22-5(6V-1)=-63
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?
algebra
f(x)=2x-15
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.
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?
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?
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...
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....
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?
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.
Algebra 1
7x+4-15x=36
algebra
y=3x+4; -1, 1 2, 10 3, 12 7, 1 find the solution set for each equation , given the replacement set
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...
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!
algebra
-3x+3y=0 in slope interecept form
Algebra I
I'm having trouble with polynomials and adding them...(for some reason) How would I do this problem... (5a - 3asquared) - (-6a - 6)
Algebra 1
1/2 +2/3 is greater or equal to 1/3r
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?
pre-algebra
twenty more than three times a number is -4.
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 ...
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?
Algebra 2 URGENT PLEASE HELP
Simplify cubed root of 135
Algebra 2 URGENT
Simplify cubed root of 135
Algebra 2 URGENT
simplify cubed root of 375 a to the 5 power
Algebra 2
Simplify cubed root((3-4)to the-1 power)
Algebra 2
Simplify √(〖(4)〗^(-2)+(3)^(-2)
Algebra 2
Simplify cubed root of 4 times 8 to the -1 power ∛(4*8∫▒ã€0;-1〗)
Algebra 2
Simplify √(4 to the-1 power 3to the-2 power)
algebra
-4x>1 - 11 typeb an inequslity or fraction
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! =)
algebra
x=-5 find the slope if there is one
algebra
simplify: (p^-4+m p^2m)^-4 ________________ (p^-4)^-m
algebra
simplfy 7[-93-(98-32)]= help
algebra
-5/6x=-7/8
algebra
8x-(5x+)=14 the solutions is X= help
Algebra
solve by elimination method; 3r-7s=13, 7r-3s=69
math
What is the geometrical meaning of the central extension of the algebra of diffeomorphisms of the circle?
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...
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...
algebra
y-9>-16 the solutions is y> i dont get this?
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.
algebra
is (8,9) the solution of 2x+4y=6
Algebra
What is the best method for Solving equations with variables on both sides? This is the problem: 1(6x-x)=162+12x
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, )
algebra
1 - 6 (6-x)=27+2x
algebra
2x+3y=1 4x+6y=2 is there a order pair here or is there no solution
algebra
type an inequilty -0.2x<-12 the solutions is im not sure how to do this
algebra
im suppposed to determine if this is parralled perpendicular or neither 2x+3y=2 3x-2y=9
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..
algebra
find the indicated out puts for f (x)=5x^-2x f(0)= f(-1)= f(2)=
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?
algebra
-21+3z/7 / 4z-28/49
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
algebra
im supposed to solve by the elimination method 5r-25=33 2r+5s=48
algebra
math word problem amy paid $55.73 for a pair of running shoes durning a 40% off sale what was the regular price?
algebra
im supposed to collect like terms 17p+5q-6p-9q=
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...
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
algebra
5/z+6 + 5/3z
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
algebra
Sovle by substitution: 2x-3y=9 4x-6y=-12
algebra
Solve by substitution: y=x-4 x+y=14
algebra 2
Find the midpoint of the points -9 and 3
algebra
how do you know when an equation has infinitely many solutions
algebra
would 5 trees be a solution to the inequalit inpart b
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?
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?
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?
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...
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...
math algebra
4/5(2x-1)>12
math algebra
i was wondering if there is a site that helps with interval notations?
algebra
solve by the subtitution method. 2x+3y=8 -6x+y=36 I came up with (-2,-6) am I close
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
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
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
algebra 2
Simplify the rational expression. numerator 3x negative 21 divided by denominator 49 negative x to the 2 power
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
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
algebra II
write the sum or difference in the standard form a+bi (2-3i)+(6+5i) (squareroot5-3i)+(-2+squareroot-9)
algebra
solve by substitution, 9x+2y=-64
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?
algebra2
What is the slope of the line passing through the points (-3, 24) and (10, -41)? Round to the nearest integer if necessary.
algebra
5-3(w+4)=w-7
algebra
7x=5+5x
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...
algebra
3b-13+4b=7b+1
algebra
7n+6=4n-9
Pre- algebra Math 6 th grade Gifted
what is the sum of the numbers 1 to 1000? ans:500500
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...
Algebra I
Factor each polynomial: 2wcubed + 6wsquared - 4w I got...2w(2wsquared - 2)
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, ...
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
algebra
7.3xgreater than or less than -87.6
5th grade
what is the algebraic expression for 200 less than 3?
algebra
Expand. a) 3(y-7) b)-4k(2k+6) c)4b(b2-2b+5)
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...
algebra
Factor a)6y+18y2 b)3m - 9m2 + 15m3 c)12k2 - 48k4 - 18k6
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???
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
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.
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 ?
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
algebra
In algebra does a negative and a negative equal a positive?
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!..
algebra
Lisa has twice the amount of purses as Sally. If Sally has 6 purses, how many does Lisa have?=6x+6
algebra
Lisa has twice the amount of purses as Sally. If Sally has 6 purses, how many does Lisa have?=6x+6
Algebra
Simplify in terms of i. -8√-25 + 2√-225 Solution: -10i ?
Algebra
Simplify in terms of i. 1/4 √-24 Solution: 1/2i√6 ?
Algebra
Simplify in terms of i. √-121 11i?
algebra
can anyone tell me a few site good for algebra 1a?
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...
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.
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?
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?
pre algebra
w+9/14 greather than or equal to 5/14
pre-algebra
x/-2.5<-1.54 solving ineualities with rational numbers'---how do i do this?
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