Post a New Question | Current Questions | Chat With Live Tutors
Homework Help: Math: Algebra
Recent Homework Questions About Algebra
Post a New Question | Current Questions
Algebra
log3 (2x – 1) – log3 (x – 4) = 2
ALGEBRA
to solve the following: 4-s over 7-s = 3 over s-7... LCD is s-7 then (s-7)(4-s over 7-s) = (s-7) (3 over s-7)? am I on the right track???
Algebra
In a triangle ABC, angle B is three times angle A and angle C is 5 degrees less than 6 times angle A. Find the size of the angles.
Algebra
Collect like terms 18r^2 + 7s + 4r^2
Algebra
what is the equivalent expression of 94 + xy
ALGEBRA
If I am dividing the following: x^2+3x over x^2+2x-3 by x over x+1.. i know to do the recip. of x over x+1 and get the foll. x^2 + 3x over x^2 + 2x -3 times x+1 over x... now (x^2+3x)(x+1) over (x^2+2x-3)(x) now x(x+2)(x+1) x(x+2)(x-1) the x+2 over x+2 = 1 so wouldn't the ...
ALGEBRA
Maria bicycles 7 km/h faster than Carlos. In the same time, it takes Carlos to bicycle 42km, Maria can bicycle 63km. How fast does each bicyclist travel?
ALGEBRA
I need help finding the LCM of (8+3w) (64-9w^2) (8-3w)
ALGEBRA
Janet can shovel snow from her driveway in 55 minutes. Jim can do the same job in 35 minutes. How long would it take Janet and Jim to shovel the driveway if they worked together? ____ minutes ??
ALGEBRA
help me solve 6/z+8 = 5/z-3? do i first find the lcd?
Algebra
How do you find the function to a problem quickly? For example: A tennis club holds a doubles tournament every spring. This year the club has 40 teams involved. At the end of each round half of the teams are eliminated. How many rounds must be played to determine the winner? S...
Algebra 2
I'm trying to solve 2e^(3x) + 5 = 2 but it's not working put well. Help please, someone?
algebra
Part B. Each auditorium has both floor seats and balcony seats. Auditorium A has 250 floor seats and 310 balcony seats and Auditorium B has 195 floor seats and 410 balcony seats. Let f represent the cost of a floor seat and b represent the cost of a balcony seat. If you let R ...
Algebra 2
I don't know if I did this equation right.. ln 6x (greater than or = to) 4 I got 9.0997
Algebra
Which of the following expressions equals the sum of the binomial factors of 6q^3-5q^2+24q-20? A. 7q^3-1 B. 6q^3-1 c. q^2+6q-1 D. q^2+6q+1
Algebra 2
e^x-2 + 4 = 21 I got .8332, is this correct?
ALGEBRA
Part B. Each auditorium has both floor seats and balcony seats. Auditorium A has 250 floor seats and 310 balcony seats and Auditorium B has 195 floor seats and 410 balcony seats. Let f represent the cost of a floor seat and b represent the cost of a balcony seat. If you let R...
Algebra 2
Solve: e^4x = 120 I did ln4x = ln 120 divided both sides by ln 4 and got 3.4534. Is this correct?
ALGEBRA
Answer the questions below. Use Equation Editor when writing or solving mathematical expressions or equations. First, save this file to your hard drive by selecting SAVE AS from the File menu. Click the white space below each question to maintain proper formatting. Part A. A c...
ALGEBRA
Can anyone explain this in 50 words why the equation turns out like it does? -6x-18=-6x+5 0x=23 and can not have zero in the denominator. Division by zero is undefined. 15x+18=15x+18 0x=0 Well, if you take anything times zero the resulting product is zero.
algebra
NEED HELP I AM LOST 2X2-5X-1 1
ALGEBRA
i NEED MORE THAN JUST THE EXAMPLE i ALSO NEED TO EXPLANATION Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. You reached 1 for an answer, didn’t you? How does this n...
Algebra
Please help me find the slope and the y-intercept for the line repesented by the equation y=3x/2. Thank you.
Algebra
How do you solve a parabola if it is like this y=x(squared)+-3
math
Can somebody PLEASE help me understand how to find the domain of a function. I have an F in algebra 3 and just got a 50% on my math quiz. I'm desperate!
Algebra 1
What is the Advantage of Buying a Magnetic Bullein Board
Algebra
What similarities and differences are there between functions and linear equations? Are all linear equations functions? Is there an instance when a linear equation is not a function?
Algebra II
An appliance store manager is ordering chest and upright freezers. one chest freezers costs $250 and delivers a $40 profit. One upright freezer costs $400 and delivers a $60 profit. Based on previous sales, the manager expects to sell at least 100 freezers. Total profit must b...
intermediate algebra
A farmer with 3000 feet wants to enclose a rectangular plot that borders on a straight highway. If the farmer does not fence the side along the highway, what is the largest area that can be enclosed?
intermediate algebra
A farmer with 3000 feet of fencing wants to enclose a rectangular plot that borders on a straight highway. If the farmer does not fence the side along the highway, what is the largest area that can be enclosed?
Algebra
how to do a common monomial factor?
algebra
You deposit $500 in an account that pays 3% annual interest. Find the balance after 2 years if the interst is compounded with the given frequency. a) annually b) quarterly c) daily
precal
use a right triangle to write the expression as an algebraic expression. assume that x is positive and in the domain of the given inverse trigonometric function. sin(sec^-1 ãx^2+ 25/(x))
ALGEBRA
please help me explain this in 50 words.. Explain why the equation -6(x + 3) = -6x + 5 has no solution and 7x +18 + 8x = 8(x + 4) + 7x – 14 has infinitely many solutions.
Algebra
The sides of a square are one-third as long as the sides of an equilateral triangle. The difference between their perimeters is 20 centimeters. How long is each side of the triangle? Define your variables. Thx
ALGEBRA
Beagleboy how do I explain that in 50 words? Post your 50-word response to the following: Explain why the equation -6(x + 3) = -6x + 5 has no solution and 7x +18 + 8x = 8(x + 4) + 7x – 14 has infinitely many solutions.
ALGEBRA
Post your 50-word response to the following: Explain why the equation -6(x + 3) = -6x + 5 has no solution and 7x +18 + 8x = 8(x + 4) + 7x – 14 has infinitely many solutions.
Algebra II
Find the complex zeros of the polynomial function: x4+5x2+4
algebra
How do you solve the expotential notation equation 120-6^2/4x8?
Algebra II
An appliance store manager is ordering chest and upright freezers. one chest freezers costs $250 and delivers a $40 profit. One upright freezer costs $400 and delivers a $60 profit. Based on previous sales, the manager expects to sell at least 100 freezers. Total profit must b...
ALGEBRA
1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C = __6,000__ (all supposed to be underlined) 300-3x a. What is the cost to remove 75% of the pollutant? b. What is the cost to remove 90% of the pollutant? c. What is the cost to remove 99% o...
ALGEBRA
When solving a rational equation, why is it necessary to perform a check?
Algebra
solve for x: -3(x^2+2)=102
algebra
find the slope x+6y=12
algebra
find the y-intercept and x-intercept 2x+3y=12 3x-6y=72
algebra
solve and graph-14x>-56?
Algebra II
Among 100 coffee drinkers, 36 said that they preferred their coffee black and the rest did not prefer their coffee black to those who prefer non black coffee. Find a ratio for each of the following and write it as a ratio of integers in lowest terms. I do not know where to beg...
Algebra II
An outboard motor calls for a fuel mixture that has a gasoline – to –oil ratio of 50 to 1. How many pints of oil should be added to be gallons of gasoline?
algebra
what is x squared plus 12x plus 11 equals
Algebra
Question 1 Solve using the multiplication principle then graph. -15>-75 Question 2 Translate to an equality. Use the variable x. The number of people in the chess clubi less than or equal to 15. Question 3 Solve using the addition and multiplication principles 2.1x+20.8>...
Algebra
1. Write the equation of the line with the given slope and y-intercept a) m=3/8 and b=6 Answer: y=3/8x +6 b) m=-2 and b=11 Answer: y=-2x+11 c) m=0 and b=6 Answer: y=x+6 Correct?
Math 61 Algebra
A person's hair length is proportional to the number of years it has been growing. After 2 years a person's hair grows 8 inches. The longest moustache on record was grown by Sain of India. Sain grew his moustache for 17 years. How long was each side of his moustache?
algebra
The equation D=1.2times square root h gives the distance, D, in miles a person can see to the horizon from a height, h, in feet. a. sovle for h. b. Long's Peak is 14,255 feet in elevation. How far can you see to the horizon for Long's Peak? Can you see Cheyenne, Wyomin...
algebra
The weight of an object follows the equation w=Cr^-2, where C is the constant and r is the distance the object is from the center of the earth. a. solve the equation for r. b. Suppose the object is 100 pounds when at sea level. Find the value of C that makes the equation true....
Algebra 2
List the possible rational roots of the following equation x^4+3x^2-8x+10=0
algebra
How do I solve for r in this equation. I can't remember what to do with the negative exponent. w=Cr^-2
Algebra
3. Find the slope of each line with equation as given. a) Y=4 b) X=2 Answers: a) zero b) undefined 4. Graph the following equations: a) 3x-2y=6 answer: (2,0) and (0,-3) b) 5x+3y=6 (need help with this one) Are they correct and would need help with b.
Algebra
1. Compute the slope of the line containing each pair of points. a) (3,7) and (4,7) b) (2,7) and (2,9) c) (5,-3) and (1,7) Here is what I got. a) 0 b) undefined c) -10/4 reduced to -5/2 Correct?
algebra
f(x)=4x what is relative maxima and minima
Algebra
We are studying linear and quadratic functions and the problem is stated as: "The Political Noise Problem. The amount of background noise is important to television news reporters. One station developed the formula N=-t^2+12t+54 showing the noise level in decibels (N) as ...
algebra 2
Use an associative property to write an equivalent expression. 2r + (19s + 22)
algebra
In printing an article of 48,000 words, a printer decides to use two sizes of type. Using the larger type, a printed page contains 1,800 words. Using a smaller type, a page contains 2,400 words. The article is allotted 21 full pages in a magazine. How many pages must be in sma...
Algebra
For which table(s) of values in Exercises 39–42 is the relationship linear? Tell how you decided. Write the equation for each linear relationship. x y 5 20 10 30 15 40 20 50 25 50 30 50 bobpursley stated "Look at y. It stays constant at the end. If it were always con...
algebra
The perimeter of a tennis court is 228 ft. The length is 42 ft longer than the width. Write a set of linear equations.
honors algebra 1
if f(x)=2x and g(f(x))=x, find g(x)
math
For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most effective for a customer...
college algebra
Is x= -2 a solution for this inequality? 4+2 x-7>-4(x-2)-9
Algebra
"Write a brief scenario that can be modeled with a linear equation. Summarize a situation modeled by a quadratic equation." Although I understand the difference between the two, I'm having a hard time creating problems that express them.
algebra
If is a line whose equation is y= 2x - 1, find the equation of the image of under each of the following translations: in book explanation a. (x, y) S (x, y - 2) b. (x, y) S (x +3, y) c. (x, y) S (x - 3, y + 2)
algebra
Y=2x-5\3y-5
algebra
A box contains two different types of candy, weighs 10 pounds, and costs $14.55. One type of candy costs $1.50 a pound. The other costs $1.35 a pound. How many pounds of each kind are there?
algebra
how would i solve for C in this equation (a/(b+c))-d = e/f
Algebra
3Sqrt-24x^10yY^8
Math - Algebra
This is a fraction algebra. n/24=25 (not divide sign). I don't know if I have to multifly and which number do i use.
Algebraic expressions
Please can you give me an algebraic expression for the following I am litterally racking my brain on this, please Rita has $315 in the bank. This amount is three times the amount that Fred has. How much does Fred have? Use f to represent Fred's amount
Algebraic expressions
Please can you give me an algebraic expression for the following I am litterally racking my brain on this, please Rita has $315 in the bank. This amount is three times the amount that Fred has. How much does Fred have? Use f to represent Fred's amount
Lee
For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most effective for a customer ...
algebra
Find the length of a side of an equilateral triangle with altitude of length 6.
9th grade math (algebra 1)
Fine the solution set of each system of linear equations or inequalities below by graphing. Show all work under the graph of each system. 1. x + y = 3 2x - 2y = 6
algebra
* Write an expression that simplifies to 5. Use the multiplication, division, addition, and at least one set of parenthesis. Explain the process you would use to simplify the expression.
Algebra
To reduce 32 grams of a 25% solution of antiseptic to a 10% solution, how much distilled water should a pharmacist add?
algebra 1
why did the ghost decide to haunt city hall
Algebra 2
how do i do: log(base10)(c^2-1)-2 = log(base10)(c+1)
Algebra 2
Can someone help me? I'm really confused. The loudness L of a sound in decibels is given by L= 10log(base10)R, 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?
Algebra 2
i don't know how to do this problem. i keep getting stuck. can anyone help me? Solve: log(base8)^(n-3) + log(base8)^n+4)= 1
algebra 2
write a polynomial function with the given zeros, -2,0, radical 3
algebra
state the slope of line given the equation y=2/3x+6
Algebra 2
Solve each equation: (x^2-3)(x^2+3x-4)=0 (x+2/3)(x^2+5x+1)=0 x^3-2x^2+x=0 x^3+3x^2-5x-4=0
Algebra 2
how do i solve these two problems? 3log(base5)^(x^2+9)-6 = 0 log(base8)^(n-3) + log(base8)^n+4)= 1 can you tell me step by step as well as the answers? please and thank you
algebra
simplify -5y^4(y^5)^2 /15y^7(y^2)^3
algebra
3a + b + 3a +b=
Algebra
trains a and b are traveling in the same direction on parallel tracks. train a is traveling at 60 miles per hour and train b is traveling at 64 miles per hour. train a passes a station at 1:25 pm. if train b passes the same station at 1:55 pm, at what time will train b catch u...
ALGEBRA
Bill wants to open a business selling chairs. It will cost him a fixed amount of $1,000,000 to open a factory, and a variable cost of $5 to manufacture each chair. What will the total cost be to produce: 1,000 chairs? 100,000 chairs?
ALGEBRA
Examine the following equation: [z = 100 / (5t)]. What does “z” equal when: t = 2? t = 5? t = 20? t = 0?
Algebra 2
solve the equation: log(base2)^(x-3)log(base2)^5 = 2log(base2)^10 I don't know how to solve it, can someone help me? Please and thank you.
Algebra 2
How would I solve the equation: log(base2)4 - log(base2)(x+3) = log(base2)8 ? i think i have to start by doing 4/(x+3)=8
algebra
a. The sales representative here tells you they also have two floor plans available, but they only have 38 homes still for sale. Write an equation that illustrates the situation. Use x and y to denote floor plan one and floor plan two respectively
Algebra 1B
I really need help with this but I'm not sure if I'm going to put it in the correct form. The problem says to multiply and simplify by factoring. Assume that all expressions under radicals represents nonnegative numbers. Simplify your answers. Type in radical forms. 3 ...
algebra
Evaluate and tabulate the values of y for the given values of x. Tabulate your answer in the form of ordered pairs (x, y). y = 2x, for x = -2, -1, 0, 1, 2
algebra
Solve the following equation: k2 + 4k = 0 By factoring and By using the quadratic formula Can someone please help me to understand how to this problem...I do not understand the steps to get the correct answer. Thanks!!!
algebra
25f/2f-10 + 5f/10f-50
algebra
Help! g/r+g - g/r-g
algebra
I am still confused. y-4/y+2 = 1/6
algebra
write in lowest term (2x+7)(x-1)/(2x+3)(2x+7)
Algebra 1B
The problem is f(x)=x^2-12x-1 I have all the rest of the problems done except where it says the equation of the line of symmetry is ???? I know the vertex is (6,-37), the maximum is 6 and I think that part of the equation is x= -b/2a Is this correct?
Algebra
How to factor quadratic equations when the exponent is the unknown? See example: 20/(1.10)^x = 40
Algebra 1B
This Question is in multiple sections. f(x)= -2x^2+2x+10 is the problem 1)What is the x coordinate of vertex in simplified fraction? 2)What is the y coordinate of vertex in simplified fraction? 3)What is the line of symmetry? 4)What is the maximum/minumum of f(x)? 5)The value ...
algebra
How do you do this? y-5/y+2 = 1/7
algebra
simplify by removing factors of 1 4w-24/6-w
algebra
Help please h+9/h-1 divided by 2h+18/h-5
algebra
For each of the following, write the equation of the line determined by the given pair of points.? (a) (3, -7) and (3, -27) (b) (-4, 5) and (-8, -7)
algebra
how do you get the y on the same side as the x? (5y=46-7x)
algebra
How do you get an quadratic equation form an graph?
algebra
I need help with this please! x-2/x+3 = x-3/x+6
Algebra
Give an ordered pair (m,n) of numbers that satisfy the following equation 2m + n = 1
ALGEBRA
If I divide 28x^3-30x^2-67x-21 BY 7x+3...will I get 4x^2-10x-21? THEN 28x^3-30x^2-21THEN 14x^2-15x^2-21???? PLEASE HELP!!!
ALGEBRA
if i factor b^6-64 will I get (b^3+8)(b^3-8)??
ALGEBRA
with multiplying this: 9y^2-9)(8y^2-9y+3) I have: 8y^2(y^2-9)-9y(y^2-9)+3(y^-9) THEN 8y^2*y^2-9-9y*y^2-9+3*y^2-9.... THEN 8y^8 - 6 ??? I think that I am lost
ALGEBRA
for subtracting this problem: (0.04x^3-0.03x^2+0.02x)-(0.03x^3+0.08x^2-6) I know to change the signs of the second grouping. When I done that, I cam up with: 0.04x^3-0.03x^2+0.02x-0.03x^3-0.08x^2+6 THEN .01x^3 - .11x^2 + 0.02x + 6.....is that right?? the signs are chang...
ALGEBRA
If I add: 1+2x+6x^2+9x^3+7-2x+6x^2-9x^3... won't I have to combine terms & then get 8+12x^2 cause won't the 9x^3 and the 2x cancel itself out???
ALGEBRA
I HAVE A PROBLEM.... FOR A^2=4 AM I SOLVING FOR A OR ^2? WILL A BE 2?
algebra
How can I find the quadric equation when I know the answer?
algebra
suppose you are starting an office-clening service. You have spent $315 on equipment.To clean an office, you use $4 worth of supplies.Yoou charge $25 per office. How many offices must you clean to break even?
algebra
You have a bag with 60 black jelly beans and 240 red ones. a) If you draw one jelly bean out of the bag, find the probability that it is black. -------60/300= 1/5 b) If you add 60 black jelly beans to the original bag and draw out a bean, what is the probability that it is bla...
ALGEBRA
Suppose it takes 3 days for a space vehicle to travel from the Earth to the moon. About how long would it take the same vehicle traveling a the same speed to reach Neptune?
ALGEBRA
add (r-7s+2)+(4r+6s)+(s+5) do i add like terms: (4r^2)+(-2s)+(7)
Algebra
Flying with the wind, a small plane flew 360 miles in 2hours. Against the wind, the plane could fly only 300 miles in the same amount of time. Find the rate of the plane in calm air and the rate of the wind. I cant figure out how to solve this. Please help me
Algebra
Flying with the wind, a small plane flew 360 miles in 2hours. Against the wind, the plane could fly only 300 miles in the same amount of time. Find the rate of the plane in calm air and the rate of the wind. I cant figure out how to solve this. Please help me
algebra
Melanie’s house is worth $125,000, but she still owes $78,422 on her mortgage. She has $21,236 in a savings account, and $9,477 in credit card debt. She owes $6,131 to the credit union, and figures that her cars and other household items are worth a total of $15,000. What...
algebra 2
solve the equation: 1. 1/2a+2/3=(-1/3)a-3/4
algebra
I have been trying to solve this question, and I am not getting the right answer. I need to do Grouping 5x^3+5x^2-x+1
algebra
solve for y: 1. 3x+2xy=10 2. 1/3x-3/4y=6
algebra
your high school golf team shot rounds of 68, 70, 72, 78, and 84. if par for the course was 71, how many shots was the team over par?
Algebra
2(x+5)/(x+5)(x-2) = 3(x-2)/(x-2)(x+5) + 10/(x+5)(x-2) I know I have to get 2(x+5) = 3(x-2) but I don't know the intermediate steps. I tried canceling out to get 2/(x-2) = 3 + 10 / (x+5) and gross multiplying but that wouldn't make sense.
algebra
3x5-14/(-1)
Algebra 2
How do you simplify n^3 ÷ n^╥ (pi=╥) Answer: Please & Thank you
algebra
I need help with rewriting a relation so it is a function!!!!! for example { (1,3), (-8, 7), (2,3), (1, -6), (0,0), (5,3) } I am lost and need help quick
algebra
Need help showing me the steps without using the carrot function: Find the product. (2y + 2z)(2y - 3z)
Algebra1
Hello, need help with this question: Find the product. (-7m2n)(-9mn3) For my answer i put 63m^3n^4 and I got it wrong, the computer online doesn't recongnize the carrot and we were told for the carrot you have to replace it and now I am lost.
Math 116 algebra
Imagine you want to add a sprinkler system and the location of one section of the sprinkler line can be described by the equation y=-1/2x-4 Complete the table for this equation. x y (x,y) -1 -2 -4 2 8
Algebra
If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both the equation and the inequality?
college algebra
By setting up and solving a proportion involving x, find the value of x for the car that you have chosen. State the type of car, the mileage, and show both the set up of the proportion and the steps to solve. Include units with your answer. How would I do this problem? What fo...
Algebra
I know when solving inequalities the sign changes when you multiply or divide by a negative number, my question is does this happen in equations as well?
algebra 1
PLEASE HELP SOLVE.... 8+2>4(2))+1
Algebra 2
Find the LCD of 5/18x^2y^3,-3/24x^4y^5
algebra
given f(x)=2x^2-4 and g(x)=5x+3 1. f(a) 2. f(3a) 3. f(a+b) 4. f(x+7) 5. f(5x+3) 6. g(f(x))
Algebra 2
Express the function F(x)=1/(x+9) in the form g of h. If h(x)= x+9 , find the function g(x).
Algebra
I am confused by this problem. Solve: Clear fractions or decimal first. 7/3x-1/3x=3x+24/3-1/3+7/3x. I know that I need to gather all terms first. My answer that I came up with was: -23/17. I'm sure that answer is wrong. Can someone please help? Thanks.
algebra
s over 5 = 4 over 3
Algebra
Solve. -8x-25= -27 and 2/3. My answer is x= -1/3. Is this correct? Thanks.
Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>> Post a New Question | Current Questions
Homework Help: Math
For Further Reading
|
