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January 31, 2015

January 31, 2015

**Recent Homework Questions About Algebra**

Post a New Question | Current Questions

**algebra 1**

6! -- 5! i don't understand this why does it have ! in this question?
*Monday, February 25, 2013 at 7:15pm*

**college algebra**

Transformation of ty then transformations of the graphs y=x^2or y=|x| to sketch a graph of f by hand. f(x)=2|x-6|-4
*Monday, February 25, 2013 at 7:02pm*

**Algebra**

Need help with two questions. I've been stuck on them for a while now. 1) Find a general form of an equation of the line through the point A that satisfies the given condition. A(−2, 5) slope 3/4 2)Find a general form of an equation of the line through the point A ...
*Monday, February 25, 2013 at 6:58pm*

**algebra 1**

you toss a coin 3 times. what is the probability that you get heads 0 times. is it 1/6 or 1/8
*Monday, February 25, 2013 at 6:58pm*

**Algebra**

Use a calculator to evaluate the expression. Write the result in scientific notation and in decimal form. Did I do think correctly? 6000000 * 324,000 =1.944*10^12 =1944000000000
*Monday, February 25, 2013 at 6:50pm*

**Algebra**

What is the value of b in the triangle shown below? The triangle they are showing is a right triangle...the length is 3b and the width is b...on the inside of the triangle it says 24in^2. A.–4 in B.4 in C.±4 in D.no solution Please help I do not know how to do ...
*Monday, February 25, 2013 at 6:42pm*

**Algebra**

What is the side length of a square with an area of 144x²? A.12 B.12x C.±12x D.no solution I think it is C...?
*Monday, February 25, 2013 at 6:39pm*

**College Algebra help please**

I dont understand this. The question is use the remainder theorem to evaluate P(x) as given. 1. P(x)=3x^3+11x^2+2x-16 and it gives me P(1/3)
*Monday, February 25, 2013 at 6:08pm*

**college algebra**

please help me solve this equation x-1/3x-1/2x-5=0
*Monday, February 25, 2013 at 5:18pm*

**Algebra II**

A rock is thrown upward with a velocity of 28 meters per second from the top of a 36 meter high cliff, and it misses the cliff on the way back down. When will the rock be 9 meters from the water below. Round to two decimal places.
*Monday, February 25, 2013 at 4:30pm*

**Algebra II**

2y^11/3+8y^8/3-10y^5/3=0
*Monday, February 25, 2013 at 4:29pm*

**Algebra**

solve the following quadratic 100x^4=400x^3+2100x^2
*Monday, February 25, 2013 at 1:20pm*

**Algebra 2**

4.)A diamond is purchased for $3500. Its value increases 5% each year. Find the value of the diamond after six years.
*Monday, February 25, 2013 at 12:53pm*

**Algebra 2**

Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100 cm and a return swing of 99 cm. a.)On which swing ...
*Monday, February 25, 2013 at 12:51pm*

**Algebra 2**

After one month at a new job you decide to save $50. Each month you plan to increase your savings by five dollars. a.)Write an explicit formula to model the amount you will save each month. b.)How much will you save in the seventh month?
*Monday, February 25, 2013 at 12:42pm*

**Algebra**

Ellen is 11 years older than Maja. Last year Ellen was twice as old as Maja. How old is Maja now?
*Monday, February 25, 2013 at 12:26pm*

**algebra!**

Find the number of pairs of coprime integers (n,m) such that 1≤n≤m≤20.
*Monday, February 25, 2013 at 11:29am*

**algebra**

Find an integer value of x such that when 3x−39 is divided by 2x, the quotient is 1 and the remainder is 50.
*Monday, February 25, 2013 at 11:28am*

**algebra**

How many pairs of integers (not necessarily positive) are there such that both a2+6b2 and b2+6a2 are both squares?
*Monday, February 25, 2013 at 11:27am*

**Algebra**

Mattie Evans drove 300 miles in the same amount of time that it took a turbo propeller plane to travel 1300 miles. The speed of the plane was 200 mph faster than the speed of the car.Find the speed of the plane.
*Monday, February 25, 2013 at 9:17am*

**algebra**

a,b and c are real numbers such that ab=44, bc=112 and a+c=13. What is the value of b?
*Monday, February 25, 2013 at 1:28am*

**algebra**

Find an integer value of x such that when 3x−39 is divided by 2x, the quotient is 1 and the remainder is 50.
*Monday, February 25, 2013 at 1:25am*

**algebra**

Find the number of pairs of coprime integers (n,m) such that 1≤n≤m≤20.
*Monday, February 25, 2013 at 1:25am*

**algebra**

How many pairs of integers (not necessarily positive) are there such that both a2+6b2 and b2+6a2 are both squares?
*Monday, February 25, 2013 at 1:25am*

**algebra**

a,b and c are real numbers such that ab=44, bc=112 and a+c=13. What is the value of b?
*Monday, February 25, 2013 at 1:24am*

**algebra**

Find an integer value of x such that when 3x−39 is divided by 2x, the quotient is 1 and the remainder is 50.
*Monday, February 25, 2013 at 1:17am*

**college algebra**

If a rocket is propelled upward from ground level, its height in meters after t seconds is given by h=-9.8t^2+88.2t. During what interval of time will the rocket be higher than137.2m? Do I set it up like this? -9.8(1)^2+88.2(1)+137.2 = 215.6 Then h=b/2a=9.8/215.6=22m 137.2+22=...
*Monday, February 25, 2013 at 12:55am*

**Algebra 2 ..**

1. Solve 3=log8+3logx 2. Solve 2logx-log4=0
*Sunday, February 24, 2013 at 11:40pm*

**Algebra**

What is the value of b in the triangle shown below? the trianle they show is a right triangle and the length shows 3b...the width just shows b...and the inside says 24 in^2 A.–4 in B.4 in C.±4 in D.no solution I think i is B..but its a guess..?
*Sunday, February 24, 2013 at 10:51pm*

**Algebra**

What is the side length of a square with an area of 144x²? A.12 B.12x C.±12x D.no solution I think it is C...? If I am right can you show your work please...I am just starting to understand these..thank you
*Sunday, February 24, 2013 at 10:47pm*

**algebra**

use distributive property to factore each expression 42q - 21
*Sunday, February 24, 2013 at 9:58pm*

**Algebra II**

2y^11/3+8y^8/3-10y^5/3=0
*Sunday, February 24, 2013 at 9:57pm*

**Algebra II**

(z^2+6z)+14(z^2+6z)+45=0
*Sunday, February 24, 2013 at 9:17pm*

**Algebra II**

A rock is thrown upward with a velocity of 28 meters per second from the top of a 36 meter high cliff, and it misses the cliff on the way back down. When will the rock be 9 meters from the water below. Round to two decimal places.
*Sunday, February 24, 2013 at 9:11pm*

**Algebra **

Mr. Rodney's English class is made up of 28 students. He has 6 ESL students, 10 remedial students, and 5 advanced learners. ESL students make up 1/5 of the remedial students and 3/5 of the advanced learners. 1. What is the probability that a student is ESL and remedial? 2...
*Sunday, February 24, 2013 at 8:59pm*

**algebra 1**

Your family decides to visit your grandparents that live in ohio. You drive at an average rate of 55 mph when driving in Indiana and 65 mph when driving in Ohio. The entire trip of 295 miles takes 5 hours. How long does it take to reach the Indiana-Ohio border?
*Sunday, February 24, 2013 at 8:56pm*

**algebra**

what are the intercepts of y=2x+2
*Sunday, February 24, 2013 at 8:41pm*

** math algebra**

find the vertex 6x^(2)+84+294
*Sunday, February 24, 2013 at 7:44pm*

**algebra**

find the domain of each rational expression each polunomial must be fully factored and that you can only cancel factors you can not cancel terms. x^2-49 over 2x-1 and x^2-14+49 over 1-2x
*Sunday, February 24, 2013 at 7:16pm*

**algebra 2**

Express the sum in the simplest form. 3x/x+5 + 7/x+5
*Sunday, February 24, 2013 at 7:06pm*

**algebra**

4y^3-4y^2+3-y
*Sunday, February 24, 2013 at 6:31pm*

**Algebra**

Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $50,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 5% compounded annually?
*Sunday, February 24, 2013 at 6:18pm*

**algebra**

If a rocket is propelled upward from ground level, it's height in meters after t seconds is given by h=-9.8t^2+88.2t. During what interval of time will the rocket be higher than 137.2m? h=9.8t^2+ 88.2t I divided both sides by -9.8 which gave me t^2=-9 But I can't ...
*Sunday, February 24, 2013 at 6:15pm*

**Algebra class!**

WEEK 5 - Work Rates You work in retail. In the past you inventoried and shelved the weekly UPS shipment in 2 hours. Your co-worker usually takes 3 hours to do the UPS shipment. How long will it take the two of you working together to finish this week’s UPS shipment? 1)...
*Sunday, February 24, 2013 at 5:54pm*

**Algebra II**

A rectangular auditorium seats 900 people. The number of seats in each row exceeds the number of rows by 11. Find the number of seats in each row.
*Sunday, February 24, 2013 at 5:48pm*

**Algebra**

-2(y-4)-(3y-2)=-2-(6y-2)
*Sunday, February 24, 2013 at 4:40pm*

**algebra**

can anyone help me solve 14+ 6/18x = 40
*Sunday, February 24, 2013 at 1:27pm*

**algebra**

Provide A Reason For Each Step Of Simplifying The Expression 3 3(4p-1)-7p
*Sunday, February 24, 2013 at 1:06pm*

**Algebra II**

A rock is thrown upward with a velocity of 19 meters per second from the top of a 21 meter high cliff and it misses the cliff on the way back down. When will the rock be 11 meters from the water below?
*Sunday, February 24, 2013 at 12:23pm*

**Algebra**

x+3y>-3 and 4x+y=4
*Sunday, February 24, 2013 at 12:16pm*

**MATH- Algebra 2**

[1/3,1/2] Can you please please graph this in interval notation!! Thank you so much!
*Sunday, February 24, 2013 at 12:10pm*

**Algebra**

The owner of a hair salon charges $20 more per haircut than the assistant. Yesterday the assistant gave 12 haircuts. The owner gave 6 haircuts. The total earnings from haircuts were $750. Hw much does the owner charge for a haircut? Solve by writing and solving a system of ...
*Sunday, February 24, 2013 at 10:15am*

**algebra**

A video game manufacturer is planning to market a new machine. The fixed costs are $550,000 and the variable costs are $120 per machine. The wholesale price of the machine will be $140. How many game machines must be sold for the company to make a profit? my answer was 27,500 ...
*Sunday, February 24, 2013 at 3:13am*

**algebra**

A car rental agency charges $250 per week plus $0.25 per mile to rent a car. How many miles can you travel in one week for
*Sunday, February 24, 2013 at 1:32am*

**College Algebra**

need help finding the distance using the distance formula please!!! (0,0) (x,y)
*Saturday, February 23, 2013 at 9:30pm*

**college algebra**

now i understand both intersection and union but not with an infinity. how do i figure this out (-infinity,4)n(0,infinity)
*Saturday, February 23, 2013 at 7:28pm*

**College Algebra**

Hello, I have been trying to do my math homework for a few hours now and can not figure out how to find the indicated intersection or union in interval notation. Example: (-1,5)n[0,8) Please help me!!
*Saturday, February 23, 2013 at 6:14pm*

**algebra **

FIND THE VALUE OF K, SO THAT THE EXPRESSION IS A PERFECT SQUARE TRINOMIAL. x^2+6x+k k=
*Saturday, February 23, 2013 at 4:04pm*

**algebra**

electricity costs 7.57 a month plus 8.77 per kilo watt hour for the first 400 kWhr and 6.574 per kWhr for all useage over 400 in a month. what is the cost for 300 kWhr? 2638 What is the cost of 700? 7.57+8.77 times 400 and 6.574 times 300? 5487.77 I think. I need to write a ...
*Saturday, February 23, 2013 at 3:33pm*

**algebra**

A few more question Id like for someone to check please. 1) what are the vertex, focus, and directrix of the parabola with the given equation? x^2-8x-28y-124=0 vertex (4,-5) focus (0,7) directrix y=-12 2) write an equation of a circle with given center and radius. center(-7,-6...
*Friday, February 22, 2013 at 11:21pm*

**algebra**

Can someone check my answers please and if Im wrong please explain. 1) graph 4x^2+4y^2=64. what are the domain and range? domain;all real numbers range;-4<=4<=4 2) graph 4x^2+y^2=9. what are its lines of symmetry? it has two lines of symmetry, the x axis and the y axis 3...
*Friday, February 22, 2013 at 11:07pm*

**Algebra 2 ..**

Simplify. 1. Log base 4 of 256^2 IS THE ANSWER 8....IF SO AM I SMART? 2. Log of 45 ^x Is the answer 1.65X? 3. Log base 6 of 12 ^(x+1) Is the answer 1.39x+1.39?
*Friday, February 22, 2013 at 10:19pm*

**Algebra**

I am confused on how solve this substitution problem 4y+3=3y+x 2x+4y=18 If you can, show work please (:
*Friday, February 22, 2013 at 9:21pm*

**algebra 1**

1/a-y=1/y solve for "y"
*Friday, February 22, 2013 at 7:07pm*

**Algebra 1**

The first of three pipes fills a tank in 12 minutes and a second pipe in 10 minutes.If both these pipes and also a third pipe are open, the tank is filled in 4 minutes. How many minute will the third pipe alone require to fill the tank? Just need an equation. Thank you!
*Friday, February 22, 2013 at 6:41pm*

**Algebra 1**

3(n)-2(2n+2)=1/3(n+4) help please, show your work. thank you!
*Friday, February 22, 2013 at 6:18pm*

**Algebra 1**

The first of three pipes fills a tank in 12 minutes and a second pipe in 10 minutes. If both these pipes and also a third pipe are open the tank is filled in 4 min. How many minutes will the third pipe alone require to fill the tank? My teacher told me to use a chart and an ...
*Friday, February 22, 2013 at 5:31pm*

**Algebra 1**

Find three consecutive even numbers such that the difference between 3 times the first number and twice the second number is 1/3 the third number. also, my teacher told me to use an equation.
*Friday, February 22, 2013 at 5:12pm*

**algebra**

Five (5) years ago, you bought a house for $171,000, with a down payment of $30,000, which meant you took out a loan for $141,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the following information: ...
*Friday, February 22, 2013 at 3:09pm*

**college algebra 1111**

solve. 2z^2-7=-48
*Friday, February 22, 2013 at 12:41pm*

**Algebra II**

A line has a slope of 2 and contains the points (1, 3) and (2, y). The value of y is what? Please explain in detail
*Friday, February 22, 2013 at 10:03am*

**algebra 1**

thr ratio of two integers is 6:13 the smaller interger is 54. find the larger interger
*Thursday, February 21, 2013 at 10:21pm*

**Algebra**

(2y-4)/(y-2)
*Thursday, February 21, 2013 at 8:38pm*

**college algebra**

driving along a crowded freeway you notice that it takes a time to go from one mile marker to the next. when you increase your speed by 8.4 mi/hr the time to go one mile decreased by 14 seconds. What was your original speed?
*Thursday, February 21, 2013 at 7:41pm*

**Algebra**

How many ounces of other metal must be added to 56 ounces of pure silver to make a composition that is 70% silver? Please help me set this problem up
*Thursday, February 21, 2013 at 7:09pm*

**Algebra**

Which is the best measure of central tendency for the type of data below–the mean, the median, or the mode? Explain. Hours of sleep each night A.Median; there will be outliers B.Range; there are no outliers C.Mode; the data are non-numeric D.Mean; the outliers are limited...
*Thursday, February 21, 2013 at 7:00pm*

**Algebra**

In a recent survey of middle school students about pizza toppings, it was found that 25 students like pepperoni pizza, 31 like banana peppers pizza, and 5 liked both pepperoni and banana peppers on their pizza. If 65 students were surveyed, how many students do not like banana...
*Thursday, February 21, 2013 at 6:53pm*

**Algebra**

How many ounces of other metal must be added to 56 ounces of pure silver to make a composition that is 70% silver?
*Thursday, February 21, 2013 at 6:49pm*

**Algebra**

Simplify the radical. Assume that all variables represent positive real numbers. cube root (120m^20 n^2 / mn^14)
*Thursday, February 21, 2013 at 6:28pm*

**algebra**

i am having trouble understaing how to write these out in simplest form please help a. 7^3x7^2x8^5/ 8^4x7x8^-7 for this i got 7/8 b. (a^-2b^4c^3)2 can you explain and show me how to do this?
*Thursday, February 21, 2013 at 5:34pm*

**algebra 2**

Can you find the error for me in this equation, find the explicit formula, evaluate the formula for n? I think the error is in the a2-a1 formula.and the -62.50. I know the pattern is 62.50 paid per month. Your uncle loaned you some money and did not charge interest. The amount...
*Thursday, February 21, 2013 at 2:59pm*

**pre-algebra**

what is the mode for this set of numbers97,86,93,56,34,39,47,62,88,54,81
*Thursday, February 21, 2013 at 2:29pm*

**Algebra**

Which equation represents the axis of symmetry of the function y = –2x² + 4x –6? (1 point) y = 1 x = 1 x = 3 x = –3
*Thursday, February 21, 2013 at 12:44pm*

**algebra**

How many rational numbers are there between 0 and 1?
*Thursday, February 21, 2013 at 11:32am*

**Algebra I**

The cost of 4 scarves and 6 hats is $52. The cost of two hats is $1 more than the cost of one scarf. What are the costs of one scarf and one hat? Please show me how to set this up and work it.
*Thursday, February 21, 2013 at 11:27am*

**algebra**

what is an equation of a parobola with the given vertex and focus? vertex(5,4) and focus(8,4) Can someone show me the steps to get the equation please?
*Thursday, February 21, 2013 at 11:07am*

**Algebra**

What are the coordinates of the vertex of the graph of the function y = –3x² –12x + 3? A.(–2, 29) B.(2, –15) C.(2, –9) D.(–2, 15) I think it is D?
*Thursday, February 21, 2013 at 11:01am*

**Algebra**

What are the coordinates of the vertex of the graph of the function y = –x² + 6x –11? A.(3, –2) B.(3, 16) C.(–3, –29) D.(–3, –20) I think it is A. Can you show me your work. I am not positive on the answer..Thanks
*Thursday, February 21, 2013 at 10:59am*

**algebra**

x-9+-6x+5 A. 14 B. 7 C. 2 D. 21 thanks for your help
*Thursday, February 21, 2013 at 2:53am*

**MAT222 Intermediate algebra**

Solve a^1/2 / a^2
*Thursday, February 21, 2013 at 12:44am*

**Algebra 2 ..........**

Solve for a and b in y=ab^x.
*Thursday, February 21, 2013 at 12:30am*

**Algebra 2**

rwq
*Wednesday, February 20, 2013 at 11:42pm*

**algebra (checking answer)**

f(g)=(x-4)^2+6 Sketch a graph of f(x): 4 on y axis and up 6 Identify the vertex: (4,6) Identify the intervals where f(x) is increasing or decreasing: it increasing [6,00) Thanks for your help:-)
*Wednesday, February 20, 2013 at 9:43pm*

**algebra**

sonya's average in math class is an 84 after 3 tests. what must she get on the next test to raise her average to an 88?
*Wednesday, February 20, 2013 at 9:27pm*

**algebra**

carl has a box with a length width and height of 12 inches. she needs a box that is 4 inches longer, not as high, yet still has exactly the same width and volume. what are the new dimensions? which box requires more material to construct? PLEASE HELP ME!! :(
*Wednesday, February 20, 2013 at 9:26pm*

**algebra**

How do i find the X-Intercept and Y-intercept in this equation : Y=3x+1
*Wednesday, February 20, 2013 at 7:59pm*

**algebra **

simplify (5x^2-3x-8)??
*Wednesday, February 20, 2013 at 7:39pm*

**algebra**

why was jesse james in the hospital
*Wednesday, February 20, 2013 at 7:29pm*

**algebra**

where should l go and check my answers
*Wednesday, February 20, 2013 at 7:27pm*

**algebra**

solve each system by graphing y=1 y=-5 over 2x+4
*Wednesday, February 20, 2013 at 7:20pm*

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Post a New Question | Current Questions