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February 20, 2017

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

Algebra
"If possible, completely factor the expression. (If the expression is not factorable, enter NF.) x2 − 6x − 7"
Monday, November 10, 2014 by Lee

College Algebra
'rental miles: it cost 27.95 per day plus 0.15 per mile to rent a car. How many miles was a car driven that was rented for one day and had a rental bill of $45.95?'
Sunday, November 9, 2014 by Kia

Algebra
2/3y+5-3-11/12y. Trying to simplify. 2/3 y-11/12 y+5-3. 8/12y+5-3. 3/4y+2
Sunday, November 9, 2014 by Gypsea

college algebra
how to solve equation in the real number system, x^4 +12x^3 +10x^2-9x+9x+22=0
Sunday, November 9, 2014 by linda

college algebra
hw to solve equation in the real number system, x^4 +12x^3 +10x^2-9x+9x+22=0
Sunday, November 9, 2014 by linda

College algebra
Use descartes rule of sign to determine the possible number of positive real zeros and possible number of negative 6x^5-6x^4+7x^3-8
Sunday, November 9, 2014 by Samer

Algebra 2
Solving Systems of Equations in Three Variables: 3x+3y-z=-3 -2x-3y+2z=3 x-6y+3z=0 PLease show work
Sunday, November 9, 2014 by Stephy

math pre algebra
if x =7 and y=9 and the answer is 98 what would the expression be?
Sunday, November 9, 2014 by nikki

Algebra 2
Solving Systems of Equations in Three Variables: 3x+4y+z=1 x+3y-z=-2 -2x+y-2z=-5 Please show work
Sunday, November 9, 2014 by Stephy

Algebra 2
Solving By Factoring: The length of the side of a large square is 1 cm less than twice the length of the of the side of a smaller square. The area of the large square is 33cm^2 more than the area of the small square. Find the length of the sides of the two squares. Please show...
Sunday, November 9, 2014 by Miguelina

Algebra 2
Solving By Factoring (x-8)(x-5)=x Please show work!!!
Sunday, November 9, 2014 by ALEXANDAR

Algebra 2
Solving By Factoring 2x(2x+1)=2 Please show work!!!
Sunday, November 9, 2014 by Alicia

Algebra
What are the coordinates of the points where f(x) =x^3-x^2+x+1 And g(x)=x^3+x^2+x-1 intersect?
Sunday, November 9, 2014 by Trish Goal

Algebra
Let a and b be real numbers, where a<b, and let A= (a,a^2) and B=(b,b^2). The line AB (meaning the unique line that contains the point A and the point B) has x-intercept (-3/2,0) and y-intercept (0,3). Find a and b.
Sunday, November 9, 2014 by Trish Goal

algebra
A rectangle has a length that is 2 less than 3 times the width. If the area of this rectangle is 16, find the dimensions and the perimeter.
Sunday, November 9, 2014 by cmurda

Algebra
Assume that f(3)=4. Name a point that must be on the graph of y=1/2f(x/2).
Sunday, November 9, 2014 by Trish Goal

Algebra
Assume that f(3)=4. Name a point that must be on the graph of y=f(x)+4
Sunday, November 9, 2014 by Trish Goal

Algebra 2
Solving By Factoring (x-8)(x-5)=x Please show work!!!!
Saturday, November 8, 2014 by Alicia

Algebra 2
Solving By Factoring 4x(x-6)-x(x-2)=-24 Please show work!!!
Saturday, November 8, 2014 by Clara

Algebra 2
Solving By Factoring 6x^2-13x=-6 (x-8)(x-5)=x 4x(x-6)-x(x-2)=-24 Please show work I want to learn!!!!!!
Saturday, November 8, 2014 by Clara

Algebra
A kayaker paddles upstream for 1.5 hours then turns his kayak around and returns to his tent in 1 hour. He travels 3 miles each way. What is the rate of the rivers current?
Saturday, November 8, 2014 by John

Algebra 2
Solving By Factoring 7p^2-50p=-7 Please show work for I could learn.
Saturday, November 8, 2014 by Miguelina

algebra
Please Help Me Check My Work :) 1) Find the 5th term of - f(n)= 3(n-3) My answer- -279 2) Find the third term if the first term is 4 - f(n)= 2f(n-1)+2 My answer- 16 3) Find the third term using the explicit rule - f(n) 4-n/n+3 My answer- 1/6 4) Recursive Function- 1, -2, -5...
Saturday, November 8, 2014 by Kim

Algebra 2
Solving By Factoring Help me with these problems. 2x(2x+1)=2 5x^2+34x=7 Please show work I want to learn!!!
Saturday, November 8, 2014 by Migue

Algebra 2
Find x,y,z 2x-3y+z=-1 2x-y+2z=6 5x-4y+3z=6 Please show work I want to learn!!!
Saturday, November 8, 2014 by Anonymous

algebra
solve the equation for x -2(2x-2)=2x for y 9x+y=9 solve theinequality 2x-6<8x+18 solve 0.14-0.01(x+2)=-0.02(3-x)
Saturday, November 8, 2014 by gary

Intermediate Algebra
How much would you have to deposit today in order to have $5000 in 4 years in a bank account that pays 5% annual interest rate
Saturday, November 8, 2014 by Babydoll2007

Intermediate Algebra
A bank loaned out $17,000 part of it at a rate of 6%per year and the rest at 14%per year. If the interest received in one year totaled $1500 how much was loaned at 6%.
Saturday, November 8, 2014 by Babydoll2007

Intermediate Algebra
The average monthly benefit B for certain individuals is given by the equation B=18.75+585.72, where t is the number of years since 1990. In what year will the monthly benefit B exceed $1050? That is, solve B>1050.
Saturday, November 8, 2014 by Babydoll2007

Algebra
What are the coordinates of the points where the graphs of f(x)=x^3-x^2+x+1 and g(x)=x^3+x^2+x-1 intersect? Give your answer as a list of points separated by semicolons. (So "(1,-3); (2,3); (5,-7)" is a valid answer format.)
Friday, November 7, 2014 by Trish Goal

Algebra
Let a and b be real numbers, where a<b, and let A= (a,a^2) and B=(b,b^2). The line AB (meaning the unique line that contains the point A and the point B) has x-intercept (-3/2,0) and y-intercept (0,3). Find a and b.
Friday, November 7, 2014 by Trish Goal

algebra and geometry
On a floor plan, a room measures 2 inches by 5 inches. If the scale is 1 inch =4 feet, what is the actual size of the room?
Friday, November 7, 2014 by teshena

Algebra
Can you solve these equation by completing the square 2x^2+7x-4=0 3x^2x-1=0
Friday, November 7, 2014 by Amy

Algebra
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.3 x 10^2 um. Find the earthquake's magnitude. Round your answer to one decimal place.
Friday, November 7, 2014 by Paul

Algebra
Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.50 * 10^5 watts cm^2 what is the db?
Friday, November 7, 2014 by Roger

algebra
would multiplying 3 negative integers always equal a positive integer?
Friday, November 7, 2014 by anon

Algebra HELP!
Ryan is building matchstick square sequences, as shown ( first figure used 4, second figure used 7, third figure used 10, and the forth figure used 13). He used 599 matchsticks to form the last two figures in his sequences. How many matchsticks did he use in each of the last ...
Thursday, November 6, 2014 by A

algebra help!
what is the domain of the function below? {(0,2)},(3,1),(5,2),(8,4)}? a. {1,2,4} b. {0,3,5,8} c. {0,1,2,3,4,5,8} d. {(0,2),(3,1),(5,2),(8,4)} ***** Is the following relation a function? {(0.3,0.6),(0.4,0.8),(0.3,0.7),(0.5,0.5)​} a. yes b. no ***** c. cannot be determined
Thursday, November 6, 2014 by Nikky

Algebra
Let a and b be real numbers, where a<b, and let A=(a,a^2) and B=(b,b^2). The line AB( meaning the unique line that contains the point A and the point B) has x-interecept (-3/2,0) and y-intercept (0,3). Find a and b.
Thursday, November 6, 2014 by Trish Goal

Algebra
What are the coordinates of the points where f(x)=x^3-x^2+x+1 and g(x)=x^3+x^2+x-1 intersect?
Thursday, November 6, 2014 by Trish Goal

algebra
Give an equation of a line in slope intercept form that would be parallel to the equation y=3x+5 and passes through (0,3).
Thursday, November 6, 2014 by Taylor

Intermediate Algebra
Atmospheric carbon dioxide levels continue to increase and are suspected to contribute to global warming. The solution to the polynomial equation x3 – 380x2 + 2x – 760 = 0 gives the record high amount of carbon dioxide in parts per million (ppm) in 2005, as measured at ...
Thursday, November 6, 2014 by Babydoll2007

Algebra/Math
The graphs of a function f(x)=3x+b and its inverse function f^-1(x) intersect at the point (-3,a). Given that b and a are both integers, what is the value of a?
Thursday, November 6, 2014 by Trish Goal

Intermediate Algebra
Explain why (-9)1/2 is not a real number but -9 1/2 is a real number.
Thursday, November 6, 2014 by Babydoll2007

Algebra help
Your cost c to buy w pounds of walnuts at $6/Ib represented by c = 6w A truck originally held 24 chairs. You remove 2 chairs at a time. The number of chairs n remaining after you make t trips is represented by n= 24-2t. The volume V remaining in a 243-ft^3 pile of gravel ...
Thursday, November 6, 2014 by Mia

Math/Algebra
The graphs of y=3-x^2+x^3 and y=1+x^2+x^3 intersect in multiple points. Find the maximum difference between the y-coordinates of these intersection points.
Thursday, November 6, 2014 by Trish Goal

Algebra
Find all points (x,y) that are 13 units away from the point (2,7) and that lie on the line x-2y=10.
Thursday, November 6, 2014 by Trish Goal

Algebra
What are the coordinates of the points where f(x)=x^3-x^2+x+1 and g(x)=x^3+x^2+x-1 intersect?
Thursday, November 6, 2014 by Trish Goal

pre-algebra
a 50-pound bag of grass seed sells for 292.50. find the unit price of grass seed
Thursday, November 6, 2014 by Anonymous

Algebra
A grocer buys cases of almonds and walnuts. Almonds are packaged 20 bags per case. The grocer pays $30 per case of almonds and makes a profit of $17 per case. Walnuts are packaged 24 bags per case. The grocer pays $26 per case of walnuts and makes a profit of $15 per case. He ...
Thursday, November 6, 2014 by Anonymous

Algebra
A baseball is hit at a point 2 feet above the ground at a velocity of 100 feet per second and at an angle of 45 degrees with respect to the ground. The path of the baseball is given by the function: f(x)= -0.0032x^2+x+2. where f(x) is the height of the baseball in feet and x ...
Thursday, November 6, 2014 by Luna

Algebra HELP!
A teacher instructed her class to take any number and perform a series of computations using that number. The teacher was able to tell each student's original number by subtracting 1 from the student's answer. Create similar instructions for students so that the teacher needs ...
Thursday, November 6, 2014 by Ashley

Algebra
a grocer buys cases of almonds and walnuts. Almonds are packaged 20 bags per case . The grocer pays $30 per case of almonds and makes a profit of $17. Walnuts are packaged 24 bags per case. The grocer pays $26 per case of walnuts and makes a profit of $15 per case. He orders ...
Thursday, November 6, 2014 by Anonymous

Algebra 2
(192x^2y+72x^3)-(24rxy-9rx^2) I need help factoring completely in groups and can you please show all your work thank you
Thursday, November 6, 2014 by Steph

Pre Algebra
When adding the sqare root of 25 and negative 9, which type of number is the sum? Whole Number Irrational Number Integer Radical
Thursday, November 6, 2014 by Kelsey

algebra
Suppose y varies directly with x. Write an equation relating x and y. 645-09-05-00-00_files/i0130000.jpg a. y = 6x c. y = 7x b. y = x d. y = − x
Thursday, November 6, 2014 by jj

algebra
Create your own polynomial with a degree greater than 2.find the zeros of the function.
Thursday, November 6, 2014 by angela

algebra
A repairman purchased several furnace-blower motors for a total cost of $150. If his cost per motor had been $5 less, he could have purchased 1 additional motor. How many motors did he buy at the regular rate?
Thursday, November 6, 2014 by anonymous

algebra
A bookstore can purchase several calculators for a total cost of $350. If each calculator cost $2 less, the bookstore could purchase 20 additional calculators at the same total cost. How many calculators can be purchased at the regular price?
Thursday, November 6, 2014 by anonymous

algebra
The sum of a number and its reciprocal is 29/10 Find the numbers?
Thursday, November 6, 2014 by anonymous

algebra help please
2200 + (-480t) what is the answer when t = 5 t = 10 t = 15 t = 20
Wednesday, November 5, 2014 by nonny

please help! algebra
find the next two numbers in the pattern: -12, 60, -300, 1500
Wednesday, November 5, 2014 by anon

Algebra
On the opening night of a play at a local theatre, 895 tickets were sold for a total of $10,514. Adult tickets cost $14 each, children's tickets cost $11 each and senior citizen tickets cost $8 each. If the combined number of children and adult tickets exceeded twice the ...
Wednesday, November 5, 2014 by Jolie

Algebra 2
The sum of two numbers s 96, and their difference is 17. What is the larger of these two numbers ?
Wednesday, November 5, 2014 by Bree

Algebra II
Hi! I really need help with my homework, but I don't have anybody to ask. The problem asks me to find the vertex, focus, and directrix of the parabola: x^2-12x-48y+276=0. All help is apprectiated! Thank you.
Wednesday, November 5, 2014 by Kayla

pre-algebra
The number of cells in a lab sample triples every 4 hours. Write an expression to represent the number of cells after 24 hours. I think it might be x cubed times 6
Wednesday, November 5, 2014 by Dana

algebra
A bacteria population splits in 3 every 4 hours. There were initially 8 bacteria in a dish, how many will there be after 12 hours?
Wednesday, November 5, 2014 by Ariel

algebra
Solve for v: 62.7 = 3.65 v^2 + 0.0875 (v^2 / 0.09)
Wednesday, November 5, 2014 by Misaki

algebra
What is the maximum velocity of a roller coaster when the height is 203 feet. Can the problem be solved by factoring the following equation? t^2 -2t-11=0?
Wednesday, November 5, 2014 by Anonymous

Algebra
The formula v=8square root of h gives the relationship between velocity, v (in feet per second and height, h (in feet). What is the maximum velocity of a roller coaster that is 203 feet high? Can the question be solved using the equation t^2-2t-11=0?
Wednesday, November 5, 2014 by Anonymous

Math, algebra
Can someone help me with functions? I'm studying for my test tmrw and I need help
Wednesday, November 5, 2014 by Belle

algebra
What is the sum of the first 700 consecutive odd numbers?
Wednesday, November 5, 2014 by Sherri

Algebra
I have a graph that shows on the Y - axis Just the word speed (no numbers given) And on the x - axis is time (no number given) The graph itself shows a decline in speed But then the line goes up sharply I am suppose to write a scenario for the graph PlEASE HELP
Wednesday, November 5, 2014 by HELP!

Algebra
I have a graph that shows on the Y - axis Just the word speed (no numbers given) And on the x - axis is time (no number given) The graph itself shows a decline in speed But then the line goes up sharply I am suppose to write a scenario for the graph PlEASE HELP
Wednesday, November 5, 2014 by Don't know how to solve

Algebra
Y = 1/2 (2x^3 - 3x + 5)
Wednesday, November 5, 2014 by Don't know how to solve

algebra
A veterinarian uses 300 feet of chain-link fencing to enclose a rectangular region and also to subdivide the region into two smaller rectangular regions by placing a fence parallel to one of the sides, (a) Write the width w as a function of the length l. w = 1 (b) Write the ...
Tuesday, November 4, 2014 by Nate

algebra
The sum of the length l and the width w of a rectangular area is 220 meters. (a) Write w as a function of l. w = (b) Write the area A as a function of l. A = (c) Find the dimensions that produce the greatest area. l = w =
Tuesday, November 4, 2014 by Nate

algebra
The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 240 feet is a function of time in seconds given by h(t) = −16t^2 + 32t + 240. (a) Find the maximum height of the projectile. ______ ft (b) Find the time t when the ...
Tuesday, November 4, 2014 by Nate

algebra
The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 240 feet is a function of time in seconds given by h(t) = −16t^2 + 32t + 240.
Tuesday, November 4, 2014 by Nate

algebra
if there are 96 calories in a 3/4 cup serving. How many calories are in 5 cups? How do you do the math?
Tuesday, November 4, 2014 by dara

Algebra
A veterinarian uses 300 feet of chain-link fencing to enclose a rectangular region and also to subdivide the region into two smaller rectangular regions by placing a fence parallel to one of the sides, as shown in the figure. (a) Write the width w as a function of the length l...
Tuesday, November 4, 2014 by Kimberly

Algebra
Find the real zeros of f and the x-intercepts of the graph of f. (Enter your answers as a comma-separated list. Separate multiple ordered pairs with commas.) f(x) = −x2 + 6x + 16
Tuesday, November 4, 2014 by Patty

algebra 2
1. Part A.) For the f(x) = 5x + 8 and g(x) = x – 3. Calculate (f o g)(x) Part B.) f(x) = 3x + 5 and g(x) = x². Calculate (f o g)(-3)
Tuesday, November 4, 2014 by katelynne

Algebra 2
A path of uniform width surrounds a rectangular garden that is 5m wide and 12m long. The area of the path is 168m^2. Find the width of the path.
Tuesday, November 4, 2014 by Taylor

Algebra
The function f(x,y) accepts an ordered pair as input and gives another ordered pair as output. It is defined according to the following rules: If x>4, f(x,y)=(x-4,y). If x<=4 but y>4, f(x,y)=(x,y-4). Otherwise, f(x,y)=(x+5,y+6). A robot starts by moving to the point (...
Tuesday, November 4, 2014 by Trish Goal

Algebra
Let f(x)=px+q, where p and q are real numbers. Find p+q if f(f(f(x)))=8x+21. Thank you. I got this p^3 +p^2q + pq + q = 29 Would you try to solve that? if yes, then how?
Tuesday, November 4, 2014 by Trish Goal

Algebra
Write an equation of the line that is parallel t the given line and passes through the given point. 1. y=3x-8;(0,2) 2. y=-x; (0,6)
Tuesday, November 4, 2014 by ER

algebra
Write the equation of the line that is parallel to the given line and passed through the given point. Y=3x-8; (0,2)
Tuesday, November 4, 2014 by Erica

algebra
Assuming that none of the solutions are undefined,simplify each of the following. 23. A^2mB^m+1/A^mB 24.(A^2B^3/c)^0
Tuesday, November 4, 2014 by Janet

algebra
In a change jar, Tom has nickels and dimes. The number of nickels is two times the number of dimes and the total amount of money in the jar is $1.20. How many dimes are in the jar?
Tuesday, November 4, 2014 by joe

Algebra
Given the functions f(x)=x+5/3 and g(x)=1/f^-1(x)+1, find the value of g(3). The first step would first be to find the inverse of x+1, the denominator of the fraction. I think the inverse would be 1-x. And now we have 1/1-x so we can just plu in 3. Right?
Tuesday, November 4, 2014 by Trish Goal

Algebra 1 please help answer
A store has apples on sale for$3.00 for 2 pounds. How many pounds of apples can you buy for $9? If an apple is approximately 5 ounces, how many apples can you buy for $9? Explain both questions. Thanks
Tuesday, November 4, 2014 by Iana

Algebra 1 please help
The Martin family's truck gets an average of 25 miles per gallon. Predict how many miles they can use driving using 7 gallons of gas.
Tuesday, November 4, 2014 by Step hie

Algebra please help
A grocery store sells snacks by weight. A six ounce bag of mixed nuts costs $3.60. Predict the cost of a two ounce bag. Please help answer
Tuesday, November 4, 2014 by Liz

Algebra please help answer
Gina's art teacher mixes 9 pints of yellow paint with 6 pints of blue paint to create green paint. Gina mixes 4 pints of yellow paint with 3 pints of blue paint. Did Gina use the same ratio of yellow paint to blue paint instructed by her teacher? Explain. Is it 9/6 to 4/3. Is ...
Tuesday, November 4, 2014 by Liz

algebra
Classes A and B have 35 students each. If seven girls shift from class A to class B, then the number of girls in the classes would interchange. If four girls shift from class B to class A, then the number of girls in class A would be twice the original number of girls in class...
Tuesday, November 4, 2014 by nimal

Algebra HELP!
On a ruler that measures both metric and English units, we see that 1 m = 39.37 in. This implies that 2 m = 78.74 in. Use this information to write an equation to convert x inches to y meters.
Tuesday, November 4, 2014 by KG

algebra
Classes A and B have 35 students each. If seven girls shift from class A to class B, then the number of girls in the classes would interchange. If four girls shift from class B to class A, then the number of girls in class A would be twice the original number of girls in class...
Tuesday, November 4, 2014 by nimal

Algebra
Given that f(x) is a function such that f(1)=2, f(4)=3, f(7)=4, and f^-1(x) is the inverse of f(x), what is f^-1(f^-1(3))? I am really getting confused with the two F^-1. Please help. Thank you.
Monday, November 3, 2014 by Trish Goal

Algebra
Suppose that f(x)=4x+5. What is f^-1(f^-(9))? I am pretty sure we can plug in 9 for f(x) which gives us the value of 1. But then we have one more f^-1 but the inverse of 1 is -1. So would the answer be one?
Monday, November 3, 2014 by Trish Goal

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Homework Help: Math