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June 25, 2016

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

algebra
7-|m-1|=3
Thursday, May 15, 2014 by Amanda

algebra
An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 3,500 + 200 ln a (a ≥ 1) How many units are sold after spending $1,000? (Round your answer to ...
Thursday, May 15, 2014 by bunny

ALGEBRA
(not for Ms.Sue) Find the mean, median, and mode of the data set. Round to the nearest tenth. 15, 13, 9, 9, 7, 1, 11, 10, 13, 1, 13 • mean = 9.3, median = 8, mode = 13 • mean = 8.5, median = 10, mode = 13 • mean = 9.3, median = 10, mode = 13 • mean = 8.5, ...
Thursday, May 15, 2014 by Sandra

Algebra
If $32,500 is invested at 69% for 3 years find the future value if the interest is compounded the following ways. annually, semiannually, quarterly, monthly, daily, every minute (N-525,600) continuously, simple (not compounded. Thank you for your time.
Thursday, May 15, 2014 by Mary Ann

Algebra 1
-2x-2y=4 2y=-2x-4 Identify the solution
Thursday, May 15, 2014 by Sam

ALGEBRA
Find the mean, median, and mode of the data set. Round to the nearest tenth. 15, 13, 9, 9, 7, 1, 11, 10, 13, 1, 13 (1 point) • mean = 9.3, median = 8, mode = 13 • mean = 8.5, median = 10, mode = 13 • mean = 9.3, median = 10, mode = 13 • mean = 8.5, median...
Thursday, May 15, 2014 by Sandra

Algebra 1
For the 2 functions, f(x) and g(x), tables of values are shown below. What is the value of g(f(3))? x f(x) x g(x) ------- --------- -5 7 -2 3 -2 -5 1 -1 1 3 2 -3 3 2 3 -5
Thursday, May 15, 2014 by Joe

Algebra
Compound inequalities 4x+7<11 or 1-x<=-2
Thursday, May 15, 2014 by michele

aLGEBRA
5/4X+7/12=1/3X-1/6
Wednesday, May 14, 2014 by b

Algebra
4x7<11 or 1-x<=-2 compound inequalities
Wednesday, May 14, 2014 by michele

Algebra
compound inequalities -10<-2+8x<22
Wednesday, May 14, 2014 by michele

algebra
If $32,500 is invested at 69% for 3 years find the future value if the interest is compounded the following ways. annually, semiannually, quarterly, monthly, daily, every minute (N-525,600) continuously, simple (not compounded. Thank you for your time.
Wednesday, May 14, 2014 by Mary Ann

Algebra :)
Tammy will donate up to $480 to charity. The money will be divided between two charities: the City Youth Fund and the Educational Growth Foundation. Tammy would like to donate at least $140 dollars to the Educational Growth Foundation. She would also like the amount donated to...
Wednesday, May 14, 2014 by Anonymous

Algebra
Solve h=2f/m+1
Wednesday, May 14, 2014 by Marc

ALGEBRA
Simplify (2(sqrt)+3(sqrt)7)2. Show how. Justify each step.
Wednesday, May 14, 2014 by Sandra

Algebra 1B
How do you write x³ = 100 in log form?
Wednesday, May 14, 2014 by Kim

algebra 2
samara solved 1/5 divided by 10 by using a related multiplication expression. Which multiplication expression did she solve? Please show work and help answer thanks
Wednesday, May 14, 2014 by stefie

algebra 1
eli made 2 peanut butter and jelly sandwiches and cut each one into fourths. How amny 1/4 sandwich pieces did Eli have?
Wednesday, May 14, 2014 by stefie

algebra 1
tina has 1/2 of iced tea. she pours the same amount into each of the 3 glasses. which equation represents the fraction of a quart of iced tea, n that is in each glass?
Wednesday, May 14, 2014 by stefie

ALGEBRA
Simplify 4(sqrt)6/(sqrt)30 by rationalizing the denominator. Show how.
Wednesday, May 14, 2014 by Sandra

ALGEBRA
The size of a television is given by the length of the diagonal of the screen. The ratio of the height to the width of wide flat-screen TV is 8:15. Find expressions for the width and height of a wide-screen TV in terms of the length of its diagonal.
Wednesday, May 14, 2014 by Sandra

Álgebra
Solve (z +2)^ 4/3 = 4 where z is a real number.
Wednesday, May 14, 2014 by Hailey

Algebra 1
The marketing director of a department store interviewed 50 customers who had bought appliances the previous week. They found that 20% of the customers bought a washing machine and 40% bought a dishwasher. Also 48% of the customers bought an appliance other than a washing ...
Wednesday, May 14, 2014 by Sharon

Algebra
1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and a4 = -...
Wednesday, May 14, 2014 by Anonymous

Algebra
compound inequality -4 ≤ 3 +7‎
Wednesday, May 14, 2014 by tbell

Algebra
A ball is thrown from an initial height of 2 meters with an initial upward velocity of 25m/s. The ball's height h (in meters) after t seconds is given by the following. Find all values of t for which the ball's height is 12 meters. Round your answer(s) to the nearest ...
Wednesday, May 14, 2014 by Anonymous

Intermediate Algebra
Please help with the below. I know the answer I need help figuring out how to get the answer I am obviously doing something wrong, because I come up with a different answer that what I am supposed to. Here it is: F(X)3Xsquared-5X+1 The correct answer is 12Xsquared-70X+101, the...
Tuesday, May 13, 2014 by BL

Algebra II
can you help answer this question please; four algebra formulas for Amadeus traveled 760 miles in twice the time it took his nemesis Salieri to travel 220 miles. if Amadeus"s rate exceeded Salieri's by 40 miles per hour, what were the rate and time for each man?
Tuesday, May 13, 2014 by Matt

Algebra ll
Help me please The table shows the distance and costs of flights for a given airline with the same starting destination and different ending destinations. Distance (miles) 1281 2796 790 150 3211 7810 812 210 7742 3578 1346 3214 Cost (dollars) 473 683 508 301 1115 3619 587 540 ...
Tuesday, May 13, 2014 by Me and I

Algebra 1
Use the Zero Product Property to solve the equation. 1. (x + 2)(x -5) = 60
Tuesday, May 13, 2014 by Victoria

Algebra 1 Answer Evaluation
Solve x^2 -6x - 13 = 0 by completing the square. Give exact solutions. A: x = ±√22 (or) x = ±4.69
Tuesday, May 13, 2014 by Victoria

Algebra 1
Solve 2x^2 + 7x = -8 using the Quadratic Formula. A: No solution?
Tuesday, May 13, 2014 by Victoria

Algebra
Sean divides 8 cups of granola into 1/4 cup servings. How many servings of granola does he have ?
Tuesday, May 13, 2014 by Jenny 2

Alegbra
who ever will help me I do not understand this problem? Solve each exponential. Give the exact value of x 6^x = 1/36 3^x = 8 I really do not understand at all I have not taken algebra since 8th grade and went back to school at 67, Thank you if you wish to help me understand ...
Tuesday, May 13, 2014 by Mary Ann

algebra
what would the compound interest on 8000.00 invested for two years at 12% compounded semiannually be?
Tuesday, May 13, 2014 by Anonymous

Algebra 1 Answer Evaluation
The height of a soccer ball kicked from the ground can be approximated by the function h = =16t^2 + 64t, where he is the height in feet and t is the time in seconds. Find the time it takes for the ball to return to the ground. A: It takes the ball 2 seconds to return to the ...
Tuesday, May 13, 2014 by Victoria

Algebra 1
Use the Zero Product Property to solve the equation. 1. (x + 2)(x -5) = 60
Tuesday, May 13, 2014 by Victoria

Algebra 2 help please
Which represents the reference angle for 2pi/3? A. 2pi/3 B. pi/3 C. pi/4 D. pi/6
Tuesday, May 13, 2014 by Kirston

ALGEBRA HELP
1. What is the period of the function? y=4 cos pi x A. 1 B. 2 C. pi D. 2pi
Tuesday, May 13, 2014 by Kirky

Algebra 1
Factor the polynomial by grouping. 1. -20 + 5y^2 + 4z - y^2z
Tuesday, May 13, 2014 by Victoria

Algebra
For a four-digit password made up of numbers in which the digits cannot be used more than once, how many passwords can be created? 5040?
Tuesday, May 13, 2014 by Anonymous

Algebra
There are 15 people to choose from for a nine-person batting order in a baseball team. In how many ways can the people be arranged in the lineup? Is it 1,816,214,400? 2. A basketball team consists of 12 people. How many lineups of 5 people can be selected? Is it 792?
Tuesday, May 13, 2014 by Anonymous

Algebra 1 Answer Evaluation
Write the equation in point-slope form for the line with the given slope that contains the given point. 1. slope = 3; (5, 12) A: y = 3x - 3?
Tuesday, May 13, 2014 by Victoria

Algebra
Find the product (1 - 3x) (x^2 - 6x - 4)x^2 A. -3x^5 + 19x^4 + 6x^3 - 4x^2 B. -3x^5 - 19x^4 + 6x^3 - 4x^2 C. -3x^5 + 19x^4 - 6x^3 - 4x^2 D.-3x^5 - 19x^4 - 6x^3 - 4x^2
Tuesday, May 13, 2014 by Anonymous

Algebra
y-1/x+3=-3/4 solving for y. Please show steps so that I can get a better understanding of this.
Tuesday, May 13, 2014 by tbell

Algebra
Simplify the expression: (x - y) (3x + xy - 4y) + xy^2 - x^2y
Monday, May 12, 2014 by Anonymous

Algebra/Quadratic equations
I have to make a word problem/story out of this quadratic equation -t^2+3t+18=0 The plot of the story I want to write about has to deal with world hunger, and food being dropped in to remote locations by helicopter. Can someone please help me come up with a word/problem that ...
Monday, May 12, 2014 by jarron

Algebra
the length of a rectangle is 2 more than the width, the area of the rectangle is 15 ft. squared . find the length and width.
Monday, May 12, 2014 by Susan

Algebra 1 Answer Evaluation
For each quadratic equation, identify the values of a, b, and c. 1. 16x^2 = 3x A: a = 16; b = -3; c = 0. 2. -4x^2 = -9 A: a = 4; b = 0; c = -9.
Monday, May 12, 2014 by Victoria

Algebra 1 (Step-by-Step)
Will someone explain how to solve this? Write each equation in standard form. Solve by using the Quadratic Formula. 1. -7 = x^2
Monday, May 12, 2014 by Victoria

Algebra
A rectangular piece of cardboard is 15 inches longer than it is wide. If 5 inches are cut from each corner, and the remaining fold up to form a box,the volume of the box is 1250 cubic inches. Find the dimensions of the piece of cardboard.
Monday, May 12, 2014 by Alberto

Algebra 1 Answer Evaluation
Write each equation in standard form. Solve by using the Quadratic Formula. 1. -7 = x^2 A: ? 2. x^2 - 16 = 0 A: x = 4 or x = -4.
Monday, May 12, 2014 by Victoria

Algebra 1 (Reiny)
Write each equation in standard form. Solve by using the Quadratic Formula. 1. -7 = x^2 2. x^2 - 16 = 0
Monday, May 12, 2014 by Victoria

Algebra
Find an equation of a parabola with the vertex at (3, -8) and (5, -2).
Monday, May 12, 2014 by DU

Algebra
Let k(x) = -3.7e^0.8x + 8.2 Find the asymptote, y-intercept, k(-2), and k(6.25) 1. Asymptote = 2. Y - intercept = 3. k(-2) = (leave answer in terms of e) 4. k(6.25) = (leave answer in terms of e)
Monday, May 12, 2014 by A

Algebra
The length of Joe's rectangular garden is 1 meter less than its width and its area is 120m^2. Find the dimensions of the garden. Setup a quadratic equation to find the dimensions of the garden.
Monday, May 12, 2014 by M

Algebra
Solve for x. (5x^2 - 12x) / (x^2 + 5x - 24) <= 0
Monday, May 12, 2014 by Anonymous

Algebra 1 (Reiny)
Use the Zero Product Property to solve the following equation. 1. x(x + 3) = 18
Monday, May 12, 2014 by Victoria

Algebra II
what is the slope of any line parallel to the graph of 6x+5y=9
Monday, May 12, 2014 by Kay

Algebra 1--Please, help me!
Solve the following equation by graphing the related function. 1. 4x^2 + 8x = 32 A: ? Use the Zero Product Property to solve the following equation. 2. x(x + 3) = 32 A: ? 3. Solve 3x^2 + 5 = 21. Round to the nearest hundredth. A: x = 5.33 x = 5.0 or 5?
Monday, May 12, 2014 by Victoria

Algebra
A pollster randomly selects 100 people from each town in a certain candidate’s district to see if they support the candidate. Why might this survey not produce a good sample?
Monday, May 12, 2014 by Anonymous

Pre-algebra
If a rectangle has a perimeter of 70 meters and a length of 17 meters, what is its width? P=2l+2w Whats the next step?
Monday, May 12, 2014 by Lee. Jackson

Algebra 1
Solve the following equation by graphing the related function. 1. 4x^2 + 8x = 32 A: ? Use the Zero Product Property to solve the following equation. 2. x(x + 3) = 32 A: ?
Monday, May 12, 2014 by Victoria

Algebra help please!
Which of the following angles is NOT coterminal with the other three? A. 591 degrees B. 231 degrees C. 51 degrees D. -129 degrees
Monday, May 12, 2014 by Kirky

algebra
θhe height h in feet of a car above the exit ramp of an amusement park′s free-fall ride can be modled by the equation h=−16t<E> 6<E>+s where t is the time in seconds after the car drops s is the starting height of the car in feet. How high above ...
Sunday, May 11, 2014 by Sue May

Algebra
You are one of the finalists at a science fair. The scores of the other finalists are 87, 89, 81, 85, 87, 83, 86, 94, 90, 97, 80, 89, 85, and 88. Write an inequality that represents your possible scores if your percentile rank is 80.
Sunday, May 11, 2014 by Anonymous

Algebra
A bag contains 7 blue, 5 purple, 12 red and 6 orange marbles. Find the probability, if you draw one marble at random from the bag. Select the simplest form. P(not blue)
Sunday, May 11, 2014 by Prima

Algebra
You are one of the finalists at a science fair. The scores of the other finalists are 87, 89, 81, 85, 87, 83, 86, 94, 90, 97, 80, 89, 85, and 88. Write an inequality that represents your possible scores if your percentile rank is 80.
Sunday, May 11, 2014 by Anonymous

ALGEBRA
t = - 6.25 In ( 1 N over 80) according to the formula what is the maximum number of word per minute. Round off to the nearest whole number. Solve N
Sunday, May 11, 2014 by gary

ALGEBRA
the atmosphere pressure P in pounds per square inch (psi) is given by P=14.7e upper o.21a where a is the attitude above sea level in miles. If a city has an atmosphere pressure y 13.29 psi what is its altitude. Recall that one mile = 5,280 feet. Round to the nearest feet
Sunday, May 11, 2014 by gary

algebra
The first angle of a triangle is 23° more than the 2nd angle. The 3rd angle of a triangle is 6 times the 2nd angle. Use X to represent the unknown value
Sunday, May 11, 2014 by brian

Algebra
Find the first and third quartiles of the data set. 1, 5, 1, 2.5, 3, 2, 3.5, 2, 3, 1.5, 4, 2, 4, 1, 3, 4.5
Sunday, May 11, 2014 by Anonymous

ALGEBRA
Solve for b. [sqrt] b^4/25=4 I do not know how to type two of the possible answers.
Saturday, May 10, 2014 by Sandra

Algebra
The temperature of a mass of gas (T) varies inversely with volume (V). For a volume of 500 cm^3, the temp is 2.5 degrees Celcius. For a volume of 100 cm^3, what would the temperature be? 12.5 degrees?
Saturday, May 10, 2014 by Anonymous

pre algebra
What is the slope for the following data? X -1 0 1 2 Y 0 1 2 3 y2 - y1 ---------- x2 - x1 rise / run
Saturday, May 10, 2014 by steve

Algebra 1B
f(x) = -7x^2 + 3x + 5.What is the appropriate values when solving? I just do not understand help please
Saturday, May 10, 2014 by Kim

Algebra
The 22 students present for a recent test in Ms. Huang’s class had an average score of 88. When students who were absent took the test, three scored 4 points higher than the average and two scored one point higher than the average. What is the new class average when the ...
Saturday, May 10, 2014 by Anonymous

ALGEBRA
A right triangle’s hypotenuse is 20 cm long. What is the length of the side opposite a 60° angle? Give your answer to the nearest tenth of a centimeter. • 40 • 18.5 • 20 • 17.3 Please show how.
Saturday, May 10, 2014 by Sandra

algebra
2+√-16
Saturday, May 10, 2014 by steve

ALGEBRA
2nd posting - my mistake When will the dependent variable in the equation y= sqrt [x+4-3] equal or exceed 4 • x ≥ –0.17 • x ≥ 45 ** is it this one? • x ≥ 48 • x ≥ 53
Saturday, May 10, 2014 by Sandra

Algebra 2
Select the first five terms in the arithmetic sequence an=8n, starting with n=1
Saturday, May 10, 2014 by Betrice Baker

algebra
Given the function f(x)=7-(1/8)x ,find a formula for the inverse function. show work.
Saturday, May 10, 2014 by Davone

Algebra
Sumi can wash the windows of an office building in 3/4 the time it takes her apprentice. One day they worked on the building together for 2h 16min , then Sumi continued to work alone. It took 4h 32min more to complete the job. How long would it take her apprentice to wash all ...
Friday, May 9, 2014 by Anonymous

Algebra (proportions)
To estimate the size of the bear population on the Keweenaw peninsula conservationists captured tagged and released 50 bears. One year later a random sample of 100 bears included only 2 tagged bears. What is the conservationist estimate of the size of the bear population?
Friday, May 9, 2014 by tbell

Algebra
A chemist has one solution that is 80% acid and a second solution that is 30% acid. How many liters of each solution will the chemist need in order to make 50L of a solution that is 62% acid?
Friday, May 9, 2014 by Anonymous

Algebra
The area of a rectangular piece of land is 280 square meters. If the length of the land was 5 meters less and the width was 1 meter more, the shape of the land would be a square. Part A: Write an equation to find the width (x) of the land. Show the steps of your work. (5 ...
Friday, May 9, 2014 by Anonymous

Algebra
Two lamps can be connected to a battery in a circuit in series or in parallel. You can calculate the total resistance RT (t is down from r) in a circuit if you know the resistance in each lamp. Resistance is measured in ohms. For a circuit connected in series, RT = R1 + R2. ...
Friday, May 9, 2014 by Anonymous

Algebra
A passenger boat which travels 6 mph faster than a freighter required 3 days less time to make a trip of 2592 miles. Find the rate of the passenger boat.
Friday, May 9, 2014 by Lina

Algebra
I am not sure I am writing this correctly: What is the domain of the function y=3(sq rt)6x+42 • x ≥ 0 • x ≤ 7 • x ≥ –6 • x ≥ –7
Friday, May 9, 2014 by Sandra

Algebra
The function t=[(sqrt)(d/16)] models the time (t) in seconds that an object has been falling after the object has fallen d feet. When will the time be more than 1 minute? • d ≥ 16 ft • d ≥ 225 ft • d ≥ 3,600 ft • d ≥ 57,600 ft
Friday, May 9, 2014 by Sandra

Algebra
Two lamps can be connected to a battery in a circuit in series or in parallel. You can calculate the total resistance RT (t is down from r) in a circuit if you know the resistance in each lamp. Resistance is measured in ohms. For a circuit connected in series, RT = R1 + R2. ...
Friday, May 9, 2014 by Anonymous

Algebra
When will the dependent variable in the equation Y=[(sqrt)(x+4-3)] equal or exceed 4? • x ≥ –0.17 • x ≥ 45 • x ≥ 48 • x ≥ 53
Friday, May 9, 2014 by Sandra

Algebra 1
Find the roots of each quadratic polynomial. 1. 16x + 40 + 2x^2 A: No real solutions? Solve. Round to the nearest hundredth. 2. 12 = 5x^2 A: 12 = 5x^2 12 / 5 = 5x / 5 12/5 = x^2 ±2√3/5 = ±√4x3/5 = ±√12/5 = x x = ? (Supposedly, the answer ...
Friday, May 9, 2014 by Victoria

Algebra
Two pipes fill a storage tank in 9 hours. If the larger pipe fills the tank three times as fast as the smaller one, how long would it take the larger pipe to fill the tank alone? In terms of your variable, what fraction of the tank is filled in 1 h by the larger pipe alone? By...
Friday, May 9, 2014 by Anonymous

ALGEBRA
When will the dependent variable in the equation Y=[(sqrt)(x+4-3)] equal or exceed 4? • x ≥ –0.17 • x ≥ 45 • x ≥ 48 • x ≥ 53 Show how.
Friday, May 9, 2014 by Sandra

Algebra 1
Find the roots of each quadratic polynomial. 1. 16x + 40 + 2x^2 Solve. Round to the nearest hundredth. 2. 12 = 5x^2
Friday, May 9, 2014 by Victoria

algebra
Let f(x)= 2x^2 +7 and g(x)= x – 6. (a) Find the composite function (f*g)(x) and simplify. Show work. (b) Find ( f*g)(1). Show work.
Friday, May 9, 2014 by david

Algebra
3/(s - 1) + 1 = 12/(s^2 - 1)
Friday, May 9, 2014 by Anonymous

Algebra
Yuritzi works at a sport shop she get paid $10 hourly and on top of that $2 for each item she sells. If she sells no items she gets paid 10, so the coordinates would be (0,10) if she sells 1 items she earns $12 (1,12) if she sells 3 items she will get $16 (3,16). What would be...
Friday, May 9, 2014 by Caitlan

Algebra
A company invests $15,000.00 in an account that compounds interest annually. After two years, the account is worth $16,099.44. Use the function in which r is the annual interest rate, P is the principal, and A is the amount of money after t years. What is the interest rate of ...
Thursday, May 8, 2014 by Anonymous

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Homework Help: Math