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August 1, 2014

August 1, 2014

**Recent Homework Questions About Algebra**

Post a New Question | Current Questions

**Algebra II**

Divide -2x^3 + 21x^2-20x-12 by (x-3) I am stuck can someone please show me the steps to this? Thank you in advance...
*Monday, December 16, 2013 at 4:53pm*

**Algebra II**

Given no other restrictions, what are the domain and range of the following function? f(x)=x^2-2x+2 A. D= all real numbers R={y|y>=1} B. R=all real numbers D={x|x>=1} I think it is A...?
*Monday, December 16, 2013 at 12:22pm*

**Algebra II **

What is the equation of the line, in point -slope form, that passes through the given point and has the given slope point: (11,3); slope: 4/11 A. y-3=4/11(x+11) B. y-3=4/11(x-11) C. y-3=-4/11(x-11) D. y-11=4/11(x-3) I think it is A or B...just a lil confused. leaning towards B
*Monday, December 16, 2013 at 12:11pm*

**Math: Algebra**

Solve for each of the variables: 3(x+3)/5 +y/2 + 2z = -1 x/3 + 5y-2/4 + z= 0 x - 2(y+1)/3 - 3z =-2
*Monday, December 16, 2013 at 11:36am*

**algebra**

How to write 10x 2/5 in dadical form?
*Monday, December 16, 2013 at 11:00am*

**Algebra 1 **

A restaurant has one type of milk that has 2% and another that has 7% fat. How many quarts of each type does the restaurant need to make 40 quarts of a milk mixture that is 5% fat? A. 24 quarts of the 2% - 16 qts. of 7% B. 16 qts. of 2% - 24 qts. of 7% C. 16 qts. 2% - 16 qts. ...
*Sunday, December 15, 2013 at 10:53pm*

**algebra **

a survey at your school found that 792 in 1,220 students have a cell phone. what percent of the students in have a cell phone? round to the nearest hundredth where necessary 6.49% 54.04% 64.92% (i think that's the answer) 79.20%
*Sunday, December 15, 2013 at 10:40pm*

**algebra**

Graph y=(x-2)+3 for the following domain {-2,0,2,4,6}
*Sunday, December 15, 2013 at 8:16pm*

**algebra**

Write an equation for the data values below x -4 -3 -2 -1 y -1 0 1 2
*Sunday, December 15, 2013 at 7:54pm*

**algebra **

Write an equation for the data values below: {(2,3),(3,5),(4,7),(5,9)}
*Sunday, December 15, 2013 at 4:56pm*

**algebra**

Write a rule in function notation for the situation below:Meg earns a $5 flat fee plus 4.50 per student for a tutoring session.
*Sunday, December 15, 2013 at 4:39pm*

**college Algebra**

Write the system as a matrix and solve it by Gauss-Jordan elimination. (If the system is inconsistent, enter INCONSISTENT. If the system has infinitely many solutions, show a general solution in terms of x, y, or z.) x + 2y − z = 5 2x − y + z = 2 3x − 4y + 3z...
*Sunday, December 15, 2013 at 4:15pm*

**algebra**

Giselle is going to rent a scooter for at least one hour. The fee is $45 plus $5 for each hour it is rented. Write a function rule to describe the total cost of renting a scooter. Find a reasonable domain and range for the function if Giselle has $65.
*Sunday, December 15, 2013 at 3:53pm*

**algebra**

Part A: Give the domain and range of the relation. Part B: Tell whether the relation is a function. X Y 8 8 6 6 4 4 2 6 0 8
*Sunday, December 15, 2013 at 3:26pm*

**algebra**

v/-4=-9
*Sunday, December 15, 2013 at 2:58pm*

**algebra**

-15=-3n/5
*Sunday, December 15, 2013 at 2:57pm*

**algebra **

HELP PLEASE!! ASAP!! If f(x)=2x+1 and g(x)=3x-5, find f(g(2))
*Saturday, December 14, 2013 at 11:56pm*

**Algebra**

what is the inverse of the linear parent function y+x?? and what are its point/values???
*Saturday, December 14, 2013 at 10:35pm*

**Algebra**

A 6-foot spruce tree is planted 15 feet from a lighted streetlight whose lamp is 18 feet above the ground. How many feet long is the shadow of that tree?
*Saturday, December 14, 2013 at 3:54pm*

**Algebra**

Graph y<-x+2
*Saturday, December 14, 2013 at 3:13pm*

**Algebra**

Describe the transformation of y=5(x-1)^2 from the parent function (y=x^2)
*Saturday, December 14, 2013 at 3:12pm*

**Algebra**

x^2*x^2/x^4= ?
*Saturday, December 14, 2013 at 3:10pm*

**Algebra**

The temperature on one day in January for Phoenix, AZ, is 60 degrees Fahrenheit. On the same day in Barrow, AK, the temperature is -19 degrees Fahrenheit. What is the difference between these two temperatures?
*Saturday, December 14, 2013 at 12:27am*

**college Algebra**

Use matrix methods to solve the problem. To use space effectively, librarians like to fill shelves completely. One 105-inch shelf can hold 3 dictionaries, 5 atlases, and 1 thesaurus; or 6 dictionaries and 2 thesauruses; or 2 dictionaries, 4 atlases, and 3 thesauruses. How wide...
*Friday, December 13, 2013 at 7:57pm*

**college Algebra**

Use matrix methods to solve the problem. 120,000 gallons of fuel are to be divided between two airlines. Triple A Airways requires three times as much as Unity Air. How much fuel should be allocated to Triple A? ______ gal
*Friday, December 13, 2013 at 7:42pm*

**college Algebra**

Solve the system, if possible. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter a general solution in terms of x, y, or z.) x + y = 18 y + z = 18 x − z = 0
*Friday, December 13, 2013 at 7:06pm*

**college Algebra**

Solve the system, if possible. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter a general solution in terms of x, y, or z.) x + y + z = 7 2x + y + z = 14 x + 2y + 3z = 2
*Friday, December 13, 2013 at 6:54pm*

**algebra**

The United States postal service charges a "nonmachinable surcharge" for first class mail if the length of the envlope (parallel to the address) divided by the height of the envolope is less than 1.3 or more than 2.5. Charlene has an envelope with the height of 3.5in...
*Friday, December 13, 2013 at 5:04pm*

**algebra**

The Mexican tetra requires a water temp between 68 and 77 degrees,inclusive. A auarium is heated 8 degrees so that a tetra can live in it. What temp could the water have been before?
*Friday, December 13, 2013 at 4:58pm*

**algebra**

Solve the compound inequality. -2<=(n+2)/3<=4
*Friday, December 13, 2013 at 2:58pm*

**algebra**

Solve the compound inequality. 3a-5<=-2 OR 3a-5=>13
*Friday, December 13, 2013 at 2:53pm*

**algebra**

-1<4x-3<5 is it 0.5<x<2 ?
*Friday, December 13, 2013 at 2:50pm*

**algebra**

At one time, the ratio of in-state to out-of-state tuition at Texas A&M University in college station, TX was about 3:11. About how much was the out-of-state tuition if the in-state tuition at the time was about $2400?
*Friday, December 13, 2013 at 1:47pm*

**algebra**

7.3=>x/-2
*Friday, December 13, 2013 at 1:45pm*

**algebra**

The product of a number and -4 is at most 24.
*Friday, December 13, 2013 at 1:43pm*

**Algebra**

In 1987 a recording artist sold 14,000 albums. In 1998 that same artist sold 4,683 albums. Find the rate of change in record sales from 1987 to 1998.
*Friday, December 13, 2013 at 8:44am*

**Algebra**

A small business invests 33,000 in equipment to produce a product. Each unit of the product costs $1.70 to produce and is sold for $5.00. How many items must be sold before the business breaks even?
*Thursday, December 12, 2013 at 8:10pm*

**algebra **

-3x-5y=-6 6x+5y=-34 how do i solve this using elimination?
*Thursday, December 12, 2013 at 7:05pm*

**Algebra**

Factor by grouping v^3-2v^2-4v+8
*Thursday, December 12, 2013 at 7:01pm*

**College Algebra**

Use a system of equations to solve the problem. A rectangular picture frame has a perimeter of 2,200 centimeters and a width that is 300 centimeters less than its length. Find the area of the picture. _____ cm2
*Thursday, December 12, 2013 at 6:55pm*

**Algebra 1**

12 + 12x = 12x + 12 A. None B. one C. Infinitely many D. Two solutions I think it's A. Thank you.
*Thursday, December 12, 2013 at 2:56pm*

**Algebra 1**

Solve using two different methods. Explain which method you found to be most efficient. A. 3x - 9y = 3 6x - 3y = -24 B. 7x - 3y = 20 5x + 3y = 16 C. y = 1/2x - 6 2x + 6y = 19 I am just stuck and don't know how to do these last few problems on my assignment. If someone ...
*Thursday, December 12, 2013 at 1:04pm*

**Algebra**

Hi! Can you please re-check my answers. Mt teacher said some of them are not right but when I do it again, I still come up with the same answer. This is about Variations. Thanks! 1. What kind of variation equation is a=kbcd --> my answer is joint variation 2. If the joint ...
*Thursday, December 12, 2013 at 6:36am*

**algebra**

Find the equation of the line parallel to 4x=5y=7 and passing through (3,2) leave answer in y=mx+b
*Wednesday, December 11, 2013 at 11:38pm*

**College Algebra**

The equation for the total revenue earned by a company for selling widgets is p=3q. The equation for the total cost of the company for producing widgets is p=q+4. Identify the break-even quantity.
*Wednesday, December 11, 2013 at 10:39pm*

**College Algebra**

Pencils cost 20 cents and pens cost 50 cents. Mabel buys x pencils and y pens, spending $2.00. what is the slope and what does it represent? what is the y-intercept and what does it represent?
*Wednesday, December 11, 2013 at 10:29pm*

**College Algebra**

Pencils cost 20 cents and pens cost 50 cents. Mabel buys x pencils and y pens, spending $2.00. Write an equation in slope-intercept form that expresses y in terms of x. slope= -2/5 what does it represent? y-intercept= 4 what does it represent?
*Wednesday, December 11, 2013 at 9:55pm*

**College Algebra**

50 gallon barrel plumb full of water springs a leak in the bottom and leaks at a constant rate of two gallons per minute. y=50-2x slope=-2 what does it represent? y-intercept=50 what does it represent? x-intercept=25 what does it represent?
*Wednesday, December 11, 2013 at 6:30pm*

**College Algebra**

The letters in the word probability are written on separate slips of paper. Find the probability of drawing two i's in a row without replacement.
*Wednesday, December 11, 2013 at 6:18pm*

**College Algebra**

The letters in the word probability are written on separate slips of paper. One slip of paper is drawn at random. Find P(b)
*Wednesday, December 11, 2013 at 6:16pm*

**College Algebra**

Find AC A= 2 3 0 4 1 6 C= 2 3 0 1 1 0
*Wednesday, December 11, 2013 at 4:58pm*

**College Algebra **

If CI=C, find I C= 2 3 0 1 1 0
*Wednesday, December 11, 2013 at 4:56pm*

**College Algebra**

Line m passes through (2,5) and (-3,-2). Find the slope of a line that is perpendicular to line m.
*Wednesday, December 11, 2013 at 4:55pm*

**College Algebra**

Find AC A= 2 3 0 C= 2 3 4 1 6 0 1 1 0
*Wednesday, December 11, 2013 at 4:54pm*

**algebra**

What is the equation, in standard form, of a parabola that models the values in the table? x –2 0 4 ƒ(x) 1 5 -59
*Wednesday, December 11, 2013 at 4:11pm*

**algebra**

what is the graph of the equation? y=x^2 -4x + 3
*Wednesday, December 11, 2013 at 2:59pm*

**algebra**

You live near a bridge that goes over a river. The underside of the bridge is an arch that can be modeled with the function y=-0.000475x^2+0.851x, where x and y are in feet. How high above the river is the bridge(the top of the arch)? How long is the section of bridge above ...
*Wednesday, December 11, 2013 at 11:31am*

**Algebra 1 (Math) for Steve or Reiny**

1) Which method would be the simplest way to solve the system? 7x+5y=19 -7x-2y=-16 (1 point) Graphing*** Substitution Elimination Distributive 2) What is the solution of the system? 7x+5y=19 -7x-2y=-16 (1 point) (2,1) (1,2)*** (7,5) (-7,-2) 3) Which method would be the ...
*Wednesday, December 11, 2013 at 10:59am*

**algebra**

What is the Vertex form of the equation y=x^2+4x-3
*Wednesday, December 11, 2013 at 10:51am*

**Algebra, URGENT!**

Two angles are supplementary if the sum of their measures is 180∘. If the measure of one angle is 13x degrees, represent the measure of its supplement as an expression of x.
*Tuesday, December 10, 2013 at 9:53pm*

**Algebra**

Ramiro earns $20 per hour during the week and $30 per hour for overtime on the weekends. One week Ramiro earned a total of $650. He worked 5 times as many hours during the week as he did on the weekend. Write and solve a system of equations to determine how many hours of ...
*Tuesday, December 10, 2013 at 9:22pm*

**Algebra **

A roadside vegtable stand sells pumpkins for $5 each and squashes for $3 each. One day they sold $6 more squash than pumpkins, and their sales totaled $98. Write and solve a system of equations to find how many pumpkins and squash they sold?
*Tuesday, December 10, 2013 at 9:19pm*

**Algebra**

please help or examples!!!How many intergers are common to the solution sets of both inequalities? x+7>or = to 3x 3x+4<or = to 5x
*Tuesday, December 10, 2013 at 9:17pm*

**advanced pre algebra**

-6 >/= to g + 4
*Tuesday, December 10, 2013 at 8:54pm*

**algebra**

If f(x)=2x+1 and g(x)=3x-5, find f(g(2)).
*Tuesday, December 10, 2013 at 8:40pm*

**algebra**

what point in the feasible region maximizes the objective function x>0 y>0 constraints -x+3+y y,1/3x+1 Object function C+5x_4y
*Tuesday, December 10, 2013 at 7:52pm*

**college algebra**

A circular vent pipe with a diameter of 5.5 inches is place on a roof tht has a slope of 1/4. Find an equation of the ellipse that should be cut from the roof so that the pipe will fit. roound parameters to the nearest hundreth.
*Tuesday, December 10, 2013 at 7:51pm*

**College Algebra**

A circular vent pipe with a diameter of 5.5 inches is place on a roof tht has a slope of 1/4. Find an equation of the ellipse that should be cut from the roof so that the pipe will fit. roound parameters to the nearest hundreth.
*Tuesday, December 10, 2013 at 6:34pm*

**Algebra **

Simplify (factor if necessary) : 5 x^2 y^2 - 25 x^3 y^3 -------------------------------- x^2 y^2 Please help! Don't understand
*Tuesday, December 10, 2013 at 6:22pm*

**college intermediate algebra**

Working together, two people can mow the lawn in 24 minutes. Working alone, one person takes 20 minutes longer than the other. How many minutes would it take each person to mow the lawn alone? Thanks!!!
*Tuesday, December 10, 2013 at 3:35pm*

**algebra**

what point in the feasible region maximizes the objective function? x>0 y>0 constraints -x+3>y y<1/3x+1
*Tuesday, December 10, 2013 at 3:30pm*

**algebra**

What point in the feasible region maximizes the objective function? Step by step please x¡Ý0 y¡Ý0 Constraints -x+3¡Ýy y¡Ü1/3x+1 objective function C=5x-4y
*Tuesday, December 10, 2013 at 2:08pm*

**algebra**

what is the solution of the following system {3x + 3y =10 {-9x-9 =-30 Can you show step by step please.
*Tuesday, December 10, 2013 at 1:49pm*

**Algebra**

Which linear system of equation does the matrix represent [2 -3=10] [5 6=-12] is it {2x + 5y =10 {5x + 6y =-12
*Tuesday, December 10, 2013 at 1:47pm*

**algebra**

What is the inverse of [-3 5] [-6 -8]
*Tuesday, December 10, 2013 at 1:42pm*

**Algebra 2**

some investments in the stock market have earned 10% annually. At this rate, earning can be found using the formula A=p(1.10)n, where A is the total value of the investment, P is the initial value of the investment, and n is the number of years the money is invested. If $1,5oo...
*Tuesday, December 10, 2013 at 12:00pm*

**Intermediate Algebra (College)**

Solve algebraically: 14/x^2 - 5/x = 1 Thank you!!! (:
*Tuesday, December 10, 2013 at 12:03am*

**Algebra 1**

The minimum recommended width of the space between 6-inch by 6-inch tiles is 2^-2 inch and the maximum recommended width is 2^-1 inch. Simplify the expressions for the minimum and maximum widths of the space between the 6-inch by 6-inch ﬂoor tiles.
*Monday, December 9, 2013 at 11:09pm*

**Algebra 1**

The minimum recommended width of the space between 6-inch by 6-inch tiles is 2^-2 inch and the maximum recommended width is 2^-1 inch. Simplify the expressions for the minimum and maximum widths of the space between the 6-inch by 6-inch ﬂoor tiles. I got 1/3 inch is is ...
*Monday, December 9, 2013 at 7:47pm*

**Algebra 1**

The sume of two numbers is 28 and their difference is 4. What are the numbers?
*Monday, December 9, 2013 at 7:22pm*

**Algebra 1b!**

1. Find the excluded value of x for the polynomomial expression 4x/6 a. 6 b. -6 c. 1/6 d. -1/6 2. Simplifly 3-2x/7 + 4x+5/7 a. 2x+8/14 b. 2x+8/7 <--- c. x+1/7 d. 2x+2/7 3. Simplify 6ab^6/4a^7b^10 * a^3b^4/2a^7b^6 a. 7x/8 - 2x/8 b. -5x/8 c. 3a^2b^3/4a^7b^8 d. a^2b^5/2a^7b^8...
*Monday, December 9, 2013 at 3:40pm*

**Algebra 1 (Reiny or Kuai)**

1. The school band sells carnations on Valentine's Day for $2 each. They buy the carnations from a florist for $0.50 each, plus a $16 delivery charge. a. Write a system of equations to describe the situation. A: y = 2x; y = 0.50x + 16. b. Graph the system. What does the ...
*Monday, December 9, 2013 at 2:57pm*

**Algebra 1 (Reiny or Kuai)**

1. Which x-values should I choose to graph these equations (y = x; y = -x + 6) so that they intersect? 2. The school band sells carnations on Valentine's Day for $2 each. They buy the carnations from a florist for $0.50 each, plus a $16 delivery charge. a. Write a system ...
*Monday, December 9, 2013 at 1:24pm*

**College Algebra 105**

use the rational zero's theorem to list the potential zero's of the polynomial function. Do not attempt to find the zero's f(x)=-169x^7-x^6+x+13 and then the second part is find the potential rational zero's.
*Monday, December 9, 2013 at 11:45am*

**algebra**

all
*Monday, December 9, 2013 at 7:11am*

**Algebra 2**

What is a polynomial function in standard form with zeros 1, 2, 3, and –3?
*Sunday, December 8, 2013 at 10:27pm*

**Algebra**

Please help me find the value of the annuity for the following: a1= $8000, I=0.06, n=10 $8,000 invested for 10 years at 8% compounded annually$8,000 invested for 10 years at 0.06% n = 10 Thank you.
*Sunday, December 8, 2013 at 9:25pm*

** Math - Linear Algebra **

Let S be the plane defined by x−4y−3z = −18, and let T be the plane defined by −2x+8y+7z = 41. Find the vector equation for the line where S and T intersect. x 0 0 y = 0 + t0 z 0 0
*Sunday, December 8, 2013 at 7:01pm*

**algebra **

write the equation in standard form: 2x^2-12x+5
*Sunday, December 8, 2013 at 4:43pm*

**algebra**

if a chef can bake 15 pies in an hour what is the rate in pies per minute
*Sunday, December 8, 2013 at 3:04pm*

**Algebra 2**

Use the Binomial Theorem to expand the binomial: (d – 4b)^3
*Sunday, December 8, 2013 at 2:47pm*

**Algebra 2**

Use the Binomial Theorem to expand the binomial: (d – 4b)^3
*Saturday, December 7, 2013 at 9:54pm*

**college algebra**

solve the system 2x+y=-4 -x+y= 2
*Saturday, December 7, 2013 at 8:23pm*

**algebra**

For a motor vehicle travelling at r miles per hour, the distance d in feet required to stop at approximately d=0.05r^2+r. If a school bus is traveling at 45mph how many feet to, the nearest foot,would it travel before coming to a halt.
*Saturday, December 7, 2013 at 8:02pm*

**algebra**

How would you solve this one 40x^5-56x^4+24x^3 divided by -8x^2
*Saturday, December 7, 2013 at 3:35am*

**algebra**

Determine X and Y
*Friday, December 6, 2013 at 8:22pm*

**algebra**

CLEAN CARPET COMPANYS CLEAN 3 ROOMS OF CARPETING FOR 144 DOLLARS. WHICH OF THE FOLLOWING IS AN EQUIVALENT RATE ? A.288 DOLLARS FOR 6.5 ROOMS B. 240 DOLLARS FOR 5.5 ROOMS C. 360 DOLLARS FOR 7.5 ROOMS D. 192 DOLLARS FOR 4.5 ROOMS
*Friday, December 6, 2013 at 6:26pm*

**Algebra 2**

What are the solutions? 1/2x^2+2x+3=0
*Friday, December 6, 2013 at 3:47pm*

**algebra 1**

please help I have no clue how to do this b-9+6b =30
*Friday, December 6, 2013 at 12:59pm*

**Algebra**

I have an assignment to write an equation to point-slope form, then to standard form, and then to slope-intercept form. I have used the points (-2,-1) or (1,2), but I used (-2,-1). Now, I have the point-slope form of y + 1= 1(x + 2) and the standard form of y – 1x = -1. ...
*Friday, December 6, 2013 at 10:56am*

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