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December 19, 2014

December 19, 2014

**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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