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December 19, 2014

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

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algebra
Algebraic Expressions -28+(-44)+17+31+(-94)
Friday, February 1, 2013 at 9:33am

algebra
Find a polynomial function of least degree with real coefficients satisfying the given properties. zeros -3, 0, and 4 f(1) =10
Friday, February 1, 2013 at 7:44am

algebra
Please help. Solve the given system of equation. 3x -Y =-7
Friday, February 1, 2013 at 7:32am

algebra
PLEASE help with the below. Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x-2y=5 4x-y =-10 b). 3x -2y =-2 4x -y = 3
Friday, February 1, 2013 at 7:26am

Algebra
The sum of two consecutive odd integers is 24. Which equation can be used to find the first integer n? F. n + 1=24 G. n + 2=24 H. 2n + 1=24 I. 2n + 2=24
Thursday, January 31, 2013 at 9:24pm

Algebra
The sum of two consecutive integers is -15. what is the product of the two integers?
Thursday, January 31, 2013 at 9:18pm

Algebra
Use the given information to find the original price: Retail Price $99 Markup percent 80%
Thursday, January 31, 2013 at 8:47pm

algebra
Solve the equations symbolically. 3x+7/4 + 3x-7/5 =-8/5 6(7x-1)+5=24+3x How do I go about solving them?
Thursday, January 31, 2013 at 5:56pm

algebra
Please help me. Find the equation of the line satisfying the indicated properties. Express your answer in slope-intercept form. Passing through point (-2, 4) and perpendicular to the line containing points (3, -1) and (5, -1).
Thursday, January 31, 2013 at 5:44pm

algebra
For given the following piecewise function find the domain and range F(x) ={ 2x + 4 for x< -3} {-1 for -3-¡Ü x ¡Ü4} {- x 1 for x > 4}
Thursday, January 31, 2013 at 5:44pm

algebra
PLEASE help. Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x-2y=5 4x-y =-10 b). 3x -2y =-2 4x -y = 3
Thursday, January 31, 2013 at 5:27pm

Algebra
1. What is the equation an ellipse with foci at (0, ±2 √10 ) and x-intercept at (9, 0)? 2. What is the equation of an ellipse with foci at (±4, 0) and a minor axis of length 6?
Thursday, January 31, 2013 at 5:23pm

algebra
Please help. Solve the given system of equation. 3x -Y =-7
Thursday, January 31, 2013 at 5:21pm

algebra 1a
12 + y -------- 36 + w
Thursday, January 31, 2013 at 4:08pm

algebra
How do go about solving a equation symbolically 3x+7 + 3x7 =-8 4. 5. 5
Thursday, January 31, 2013 at 2:03pm

Algebra
Evaluate the expression.(50) How do I solve this expression? Can you show work. Thanks.
Thursday, January 31, 2013 at 12:55pm

algebra
Solve the system of equations by first expressing it in matrix form as and then evaluating. a). 3x-2y=5 4x-y =-10 b). 3x -2y =-2 4x -y = 3
Thursday, January 31, 2013 at 10:59am

algebra
Solve the system of equations by first writing it in matrix form and then using Gauss-Jordan elimination. x-4y =-5 -2x + 9y = 125
Thursday, January 31, 2013 at 10:59am

algebra
Express the system as an augmented matrix and solve using Gaussian elimination. x=+2y+z=3 2y+3z =2 -x+2z = 1
Thursday, January 31, 2013 at 10:52am

algebra
Please help with: Express the system as an augmented matrix and solve using Gaussian elimination. x=+2y+z=3 2y+3z =2 -x+2z = 1
Thursday, January 31, 2013 at 10:48am

algebra
How is this problem solved? It takes Bobby 60 minutes longer to wax the car than it does his brother Kevin. Together it takes them 50 minutes to wax the car. How long does it take each working separately?
Thursday, January 31, 2013 at 10:15am

algebra
Please tell me IF there is a solution to this question (or is it misprinted). Can this be solved? Jenny has 11 coins in her pocket, all of which are either nickels or dimes. If the value of the coins is 754, how many of each type of coin does she have?
Thursday, January 31, 2013 at 10:13am

Algebra
The discount on a new computer was $110. This was a discount of 19%. What would a customer pay for the computer if a 3% sales tax was added to the sale price?
Thursday, January 31, 2013 at 1:31am

Algebra
Suppose a linear system of equations has 2012 equations and 2013 unknowns. Answer the following questions:  Can the system be inconsistent?  Can the system have a unique solution?  Can the system have infinitely many solutions?
Thursday, January 31, 2013 at 12:32am

Algebra
The height of a triangle is 8 m more than twice the length of the base. The area of the triangle is 32 m^2. Whats the height of the triangle
Wednesday, January 30, 2013 at 9:56pm

Algebra
Unicycling. In 2005, Ken Looi of New Zealand set a record by covering 235.3 mi in 24 hr on his unicycle. After 8 hr, he was approximately twice as far from the finish line as he was from the start. How far had he traveled?
Wednesday, January 30, 2013 at 9:26pm

Algebra
Price of a printer. Laura paid $219.45, including 5% tax, for an all-in-one color printer. How much did the printer itself cost?
Wednesday, January 30, 2013 at 9:26pm

Algebra
Price of a calculator. Kayla paid $137.80, including 6% tax, for her graphing calculator. How much did the calculator itself cost?
Wednesday, January 30, 2013 at 9:25pm

algebra
An office supply store sells pens for $3 and notebooks for $5. Before school started, the store sold 12 more pens than notebooks and made $324. Which system of equations could be used to find the number of pens, p, and notebook, n that the store sold that day?
Wednesday, January 30, 2013 at 9:24pm

algebra
price of sneakers. Amy paid $102 for a paid of new balance 1122 running shoes during a 15%-off sale. What was the regular price?
Wednesday, January 30, 2013 at 9:11pm

Algebra
Ms. Jones has two job offers as a car salesperson. At one dealership, she will receive $600 per month plus a commission of 2% of the total price of the automobiles she sells. At the other dealership, she will receive $1000 per month plus a commission of 1.5% of her total sales...
Wednesday, January 30, 2013 at 8:33pm

Algebra
Rational Expressions: I'll do my best to type the following correctly: x-5+ 14/x+4 divided by x+3- 2/x+4 Simplify, Step by step Please!
Wednesday, January 30, 2013 at 7:57pm

Algebra
2x+y=-5 3x-y=-10 solve system using elimination
Wednesday, January 30, 2013 at 7:35pm

Algebra
For the fundraiser, will sold 225 candy bars.he earns $1 for each almond candy bar he sells and $0.75, how many of each type of candy bar did he sell for the fundraiser? solving systems using elimination
Wednesday, January 30, 2013 at 7:24pm

algebra
Find the domain of the following: f(x)=x+4 so x is the domain so would the answer be -4?
Wednesday, January 30, 2013 at 7:13pm

Algebra
X-2y=-1 2x+y=4 solve each system using elimination. Tell whether the system has one solution, many solutions, or no solution.
Wednesday, January 30, 2013 at 7:09pm

Algebra
The sum of two numbers is 19, and their difference is 55. What are the two numbers? Solving systems using elimination
Wednesday, January 30, 2013 at 6:54pm

algebra
f(x)=x+4 is the answer (x+4)=0 x=4
Wednesday, January 30, 2013 at 6:16pm

algebra
I need to graph f(x)=-2x Does it go, through -2 and y side of 2?
Wednesday, January 30, 2013 at 5:38pm

algebra
A photo studio offers portraits in 8x10 and wallet-sized formats. One customer bought two 8x10 portraits and four wallet-sized portraits and paid $52. Another customer bought three 8x10 portraits and two wallet sized portraits and paid $50. What is the cost of a wallet-sized ...
Wednesday, January 30, 2013 at 4:27pm

Algebra 1- Math
An athletic director is ordering balls for two softball leagues. The 10 year old league uses an 11-inch softball priced at $2.75. The 12 year old league uses a 12-inch softball priced at $3.25. The bill smeared in the rain, but he remembered ordering 80 softballs for a total ...
Wednesday, January 30, 2013 at 4:07pm

Algebra 2
How do the graphs of y=1/x and y=5/x+6 compare?
Wednesday, January 30, 2013 at 3:44pm

algebra(help)
The amount of money, in dollars, raised each year by a student club can be estimated by the function f(x)=150x-240,000 where x is the year with 2000<x<2010. How much money did the students raise in 2008? What is the slope of the graph of f? Interpret the slope as rate of...
Wednesday, January 30, 2013 at 3:14pm

algebra
compare the graphs of the inverse variations by comparing asymptotes, similar points, lines of reflections and quadrants y=-0.7/x and y=-0.9/x
Wednesday, January 30, 2013 at 3:13pm

algebra
what is the quotient in simpliest form state the restrictions on the variable z^2-4/z-3 divided z+2/z^2+z-12 i got z^2+2x-8 but am not sure of the restrictions maybe 3,-2
Wednesday, January 30, 2013 at 3:09pm

Algebra 1- Math
The owner of a pet store spent $236 on 10 dogs and cats. The cats cost &18 each and the dogs cost &26 each. How many of each did the owner buy? Mrs. Sue Please help or any other person
Wednesday, January 30, 2013 at 3:00pm

Algebra 1- Math
Rodney has $3.10 in nickels and dimes. He has fewer than he has dimes. How many of each does he have?
Wednesday, January 30, 2013 at 2:58pm

Algebra 1- Math
Kari has 16 coins scattered on her bed with total value of $1.05. If the coins are all nickels and dimes, how many of each does she have
Wednesday, January 30, 2013 at 2:57pm

Algebra
Which value of x is the solution of the equation 1/7 + 2x/3 = (15x-3)/(21) ? (Those are fractions) (1) 6 (2) 0 (3) 4/13 (4) 6/29
Wednesday, January 30, 2013 at 11:24am

algebra
What is the product in simpliest form state any restrictions on the variable x^2+7x+10 / x+3 times x^2-3x-18 / x^2+x+2 I got (x+5)(x-6) / x-1, not sure on restrictions either 1 or -3,-2, and 1
Wednesday, January 30, 2013 at 10:07am

algebra
Simplify the rational expression state any restrictions on the variable t^2+2t-24 / t^2-36 I got t-4 / t-6, but Im not sure of the restrictions whether its 6 or -6,6
Wednesday, January 30, 2013 at 10:02am

algebra
Find the horizontal asymptote of the graph of y=-4x^6+6x+3 / 8x^6+9x+3 please explain i think there is no horizontal asymptote
Wednesday, January 30, 2013 at 9:59am

algebra
What happens when smog lifts in los angeles, california?
Wednesday, January 30, 2013 at 8:55am

algebra
Dyan is 20 years old. Dyan is twice as old as Jean was when Lynne is as old as Jean is now. How old is Jean?
Wednesday, January 30, 2013 at 8:32am

Algebra Problem Solving
Denise's cell phone plan is $29.95 per month plus $.10 per minute for each minute over 300 minutes of call time. Denise's cell phone bill is $99.95. For how many minutes was she billed? Answer is 700 but what is the algebraic equation?
Tuesday, January 29, 2013 at 9:31pm

Algebra
The attendance at a baseball game was 400 people. Student tickets cost $2.00 and adult tickets cost $3.00. Total ticket sales were $1050. How many tickets of each type were sold?
Tuesday, January 29, 2013 at 9:22pm

Algebra 1
Find three points that satisfy the following conditions. The x-coordinate and the y-coordinate are additive inverses of each other. Any help or clues would be very much appreciated.
Tuesday, January 29, 2013 at 8:30pm

Algebra
On a map 1/2 in=8 miles. What would the actual distance be if there 7 1/4 miles?
Tuesday, January 29, 2013 at 6:11pm

Algebra
The edge of one cube is 5cm shorter than the edge of a second cube. The volumes of the two cubes differ by 875cm^3. Find the edge of the smaller cube.
Tuesday, January 29, 2013 at 6:01pm

Algebra
The formula h=280t-7t^2 gives the height, h in meters, of a rocket t seconds after take off. The maximum height reached by the rocket is 2800 m. How long will it take the rocket to reach this maximum height?
Tuesday, January 29, 2013 at 5:53pm

college algebra
Identify where f increases and where f decreases. f(x)=5x+3 I think it's (3,5) increases and (3,-2) decreases?
Tuesday, January 29, 2013 at 5:49pm

Algebra
A rectangular garden is fenced on three sides with wall forming the fourth side. The total length of the fence is 120m. The ares of the garden is 1600 m(squared). Find the dimensions of the garden.
Tuesday, January 29, 2013 at 5:47pm

Algebra
A fraction reduces to 36. If its numerator is 6x^5, what is its denominator? I need steps, I am a mom who is out of her league
Tuesday, January 29, 2013 at 5:42pm

Algebra
The sum of the squares of the largest and smallest of three consecutive odd integers is 353 less than 3 times the square of the middle one. Find the integers.
Tuesday, January 29, 2013 at 5:14pm

Algebra
A rectangle was 25 cm longer than it was wide. A new rectangle was formed by decreasing the length by 6 cm and decreasing the width by 5 cm. The area of the new rectangle was 585 cm squared. Find the dimensions of the original rectangle.
Tuesday, January 29, 2013 at 5:12pm

algebra 2
suppose you want to row your boat across a 3 mile wide river and row at a speed of 2 mi/hr. the current is flowing south at a rate of 1.2 mi/hr. at what angle upstream should you aim your boat so that it ends up going straight across?
Tuesday, January 29, 2013 at 4:45pm

Algebra 1- Math
use substitution to solve the system 2x-y=-4 -3x+y=-9
Tuesday, January 29, 2013 at 3:59pm

algebra
how much water at 90 degree fahrenheit must be mixed with 30 gallons of water at 40 degrees fahrenheit so that the resulting temperature of all of the water would be 75 degree fahrenheit
Tuesday, January 29, 2013 at 3:09pm

Algebra
V is between 4.5 and 4.6 inclusive.
Tuesday, January 29, 2013 at 1:15pm

Algebra
A board 5 feet long is cut into two pieces such that the length of one piece is two-thirds of the length of the other piece. Find the length of the shorter piece of board
Tuesday, January 29, 2013 at 11:29am

Intermediate Algebra
Suppose that Maria has 140 coins consisting of pennies, nickels, and dimes. The number of nickels she has is 12 less than twice the number of pennies; the number of dimes she has is 22 less than three times the number of pennies. How many coins of each kind does she have?
Tuesday, January 29, 2013 at 10:42am

algebra
please explain the step for this I have no idea. the speed of the current in a river is 6 mph a ferry operator who works that part of the river is looking to buy a new boat for his business everyday his route takes him 22.5 miles against the current and back to his deck and he...
Tuesday, January 29, 2013 at 10:33am

algebra
please explain the step for this I have no idea. the speed of the current in a river is 6 mph a ferry operator who works that part of the river is looking to buy a new boat for his business everyday his route takes him 22.5 miles against the current and back to his deck and he...
Tuesday, January 29, 2013 at 10:33am

college algebra
Find the domain: h(x)=√(x+4) How do I work this problem?
Tuesday, January 29, 2013 at 12:49am

math ALGEBRA 1 PLEASE HELP!
You have $2.75 in dimes and quarters, and you have a total of 17 dimes and quarters. How many of each type of coin do you have?
Monday, January 28, 2013 at 10:36pm

Algebra
How do I work this problem? "Susan is 9 years older than Karen. In 10 years Karen will be 2/3 Susan's age. How old will the two girls be in 10 years?"
Monday, January 28, 2013 at 10:29pm

high shoool algebra
Joy is 20 years older than Bob. Three years ago, Joy was 5 times as old as Bob. How old are they now?
Monday, January 28, 2013 at 9:53pm

College Algebra
Hello I need help with this problem. I need to identify if the equation is identity, contradiction, or conditional equation. -(5x-3)+2x=11-4(x+2)
Monday, January 28, 2013 at 6:43pm

algebra
Jet #1 leaves an airport at 600 km/h. Jet #2 leaves 3/4 hour after jet #1 in same direction. How long until jet #2 overtakes jet #1
Monday, January 28, 2013 at 5:10pm

Algebra 1
sqrt5 -1/x = sqrt5/2 i cross multiplied and i got 3.5= 2.23x is that right?
Monday, January 28, 2013 at 4:36pm

Algebra
When is the substitution method a better method than graphing for solving a system of linear equations?
Monday, January 28, 2013 at 3:38pm

algebra
formula of y=x to the power 2 divided by 4c
Monday, January 28, 2013 at 3:03pm

writing
Edit mMath Autobiography Theresa V. Monteiro MAT 095 11:00 AM – 12:15 PM My name is Theresa and I am from Norwalk Connecticut. I’ve been living here for a year now. I moved to New London Connecticut to start my life. I’ve taken care of all my immediate family ...
Monday, January 28, 2013 at 11:59am

Calculus/Algebra
Let the demand and supply functions be represented by p=D(q) and p=S(q), respectively, where p is the price per item in dollars and q is the quantity of items. D(q) = 42-.03q S(q) = .02q -20 Find the equilibrium price. Hint: you will first find the equilibrium quantity (q) and...
Monday, January 28, 2013 at 8:21am

Calculus/Algebra
your company produces designer dog-leashes. the marginal costs are $4.50 per leash and each leash is sold for $12.00. You need to produce and sell 75 dog leashes per month in order to break even. Based on this information, what are your monthly fixed costs?
Monday, January 28, 2013 at 8:18am

Algebra
LCD of x/x2+3x , 2x/x2-3x
Sunday, January 27, 2013 at 9:17pm

College Algebra
Solve for the specified variable in each formula or literal equation Sn=n(a1+an/2) for n (sequences)
Sunday, January 27, 2013 at 9:05pm

College Algebra
Hello I need help with this problem. I need to identify if the equation is identity, contradiction, or conditional equation. -(5x-3)+2x=11-4(x+2)
Sunday, January 27, 2013 at 8:45pm

algebra 1
at a certain high school,350 students are taking algebra. the ratio of boys to girls taking algebra is 33:37. How many more girls are taking algebra than boys? - How can you write a system of equations to model the situation? - Which equation will you solve for a variable in ...
Sunday, January 27, 2013 at 3:24pm

Algebra with applications
A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 23 said they drove alone. 30 rode in a carpool. 31 rode public transportation. 4 used both carpools and public transportation. 3 used both a carpool and ...
Sunday, January 27, 2013 at 2:56pm

algebra
4 divide 3 multiply 6 divide 2 minus 2
Sunday, January 27, 2013 at 12:26pm

Algebra
Can you please show me step by step to the answer you have given me. -1/4(8x+2). I still do not understand how you came up with the answer. Thank yooi
Sunday, January 27, 2013 at 10:43am

Algebra
-1/4(8x+2)
Sunday, January 27, 2013 at 10:12am

algebra
Solve using the substitution method. State if there are infinite solutions or no solution. 5x + 8y = -4 x= 2 - 3y
Sunday, January 27, 2013 at 1:18am

Algebra
If (x+3)(x-2)(x+1)=(x+2)Q(x)+(x+3)(x-2) (with solution pls... thanks)
Saturday, January 26, 2013 at 9:49pm

Algebra 2 ..........BOBPURSLEY
SO IF Y=0 what would x be on the graph. Please.. i do not get this...
Saturday, January 26, 2013 at 7:58pm

Algebra 2 ..........
Solve for x. 1/2(x-2)^3+1=0 Also please teach me how to factor cubic polynomials.
Saturday, January 26, 2013 at 7:53pm

Math 9 algebra
A mechanic charges $70 an hour plus the cost of parts to repair a vehicle. The parts cost $215 for the repair on Tamara's car. A) write an expression for the total cost, C, of repairing Tamara's car for any numbers of hours, n. B) use the expression you created in part...
Saturday, January 26, 2013 at 7:14pm

Algebra 2 ..........
Solve for x. 1/2(x-2)^3+1=0 Also please teach me how to factor cubic polynomials.
Saturday, January 26, 2013 at 6:50pm

Algebra 2
How would you solve the following I'm stumped.. 1. 2x^2(squared)=30-4x 2. X^3(cubed)+8x=-6x^2(squared) Thanks!
Saturday, January 26, 2013 at 5:47pm

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