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July 31, 2014

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

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math
My teacher never specifically told us how to do these type of problems and now i have 10 of the same type of questions for homework due when i come back to class 2 days. a^7b^6 ________ a^5b Im not asking for the answer but the steps to get to the answers to these type of ...
Tuesday, August 28, 2012 at 4:24pm

Algebra I
How do you write a system of linear equations in two variables? Explain this in words and by using mathematical notation in an equation. What steps will be taken to solve the system that you provided?
Tuesday, August 28, 2012 at 12:14pm

algebra
Can someone please check my answer? Rearrange (cp-yd)/(pd)=p+y to make d the subject OK, I did cp-yd=pd(p+y) cp=pd(p+y)+yd cp=p^d+pdy+yd factoring out the d cp=d(p^2+py+y) cp/(p^2+py+y)=d
Tuesday, August 28, 2012 at 11:37am

algebra
Rearrange (r+s)/8s=(r-s)/8n to make r the subject. OK, I have started by rearranging the formula: 8n(r+s)=8s(r-s) 8nr+8ns=8sr-8s^2 What do I do next?
Tuesday, August 28, 2012 at 11:19am

algebra
Rearrange r+s/8s=r-s/8n to make r the subject. OK, I have started by rearranging the formula: 8n(r+s)=8s(r-s) What do I do next?
Tuesday, August 28, 2012 at 10:48am

algebra
Tony went to the racetrack with $80. He won $15 on the 1st race, lost $12 on the 2nd, lost $6 on the 3rd and won $8 on the 4th. How much money did he have after the 4th race.
Tuesday, August 28, 2012 at 6:58am

intermediate algebra
solve each formula for the specified variable, y-y^1 = m(x-x^1) for x
Tuesday, August 28, 2012 at 1:04am

Algebra
A.Driving from El Paso to San Antonia on a bus ...560 miles traveling at avg speed of 60 miles per hr how do I make a graph with the time & distance. B. have to estimate distance bus tvls in 2 hrs...2 3/4 hrs...3.5 hrs...7.25 hrs.. C.need to describe in words a rule you can ...
Monday, August 27, 2012 at 10:27pm

algebra
one angle of a parrallelogram is 23 degrees less than six times the measure of the angle next to it.the sum of the measures of the angles is 180 degrees. find the measure of the adjacent angles of the parrallelogram.
Monday, August 27, 2012 at 10:15pm

Algebra 1
4x+(-9+3x)=-5
Monday, August 27, 2012 at 9:46pm

pre algebra
what is the value of the expression? 15-6/3.2+7-1
Monday, August 27, 2012 at 9:38pm

algebra
Write a rule in words and as an algebraic expression to model the relationship in each table. The local video store charges a monthly membership fee of $5 and $2.25 per video. 1 video is $7.25 2 videos are $9.50 3 videos are $11.75
Monday, August 27, 2012 at 9:01pm

algebra
identify whether the number is rational or irrational. then explain why it is rational or irrational. 8/17 and 21.192
Monday, August 27, 2012 at 6:45pm

algebra expressions
i need to write an algebraic expression for each word phrase. Can you check if I am correct: 2) 13 less than a number q i got : 13 - q 4) the quotient of a number n and 4 i got: n/4 6) the number of days in w weeks n * w 8) the cost of p photocopies if each one costs $ .15 $....
Monday, August 27, 2012 at 6:22pm

Algebra 2
Find the slope of the the line passing through the given points. Then tell weather the line rises,falls,is horizontal,or is vertical.
Monday, August 27, 2012 at 6:00pm

Algebra
the phone company has two plans for cell phones. the first plan calls for a monthly fee of 35.00 with unlimited calling. The other plan is a monthly fee of 15.00, with a 0.50 fee for every minute over 100 used in a month. What is the greatest number of minutes that you can use...
Monday, August 27, 2012 at 5:43pm

Algebra 1
In 5 years time I will be 3 times as old as my son. In 14 years time, the sum of our ages will be 62. Today the sum of our ages is
Monday, August 27, 2012 at 4:27pm

algebra
Reduce answers to lowest terms. 1.) 2x/2x^2+5x-3 + 5/x^2-9 = 2.) x-3/12x^3-18x^2 - x+1/16x^2-24x = 3.) 2x/x^2-2x-15 - x-2/3x^2+9x =
Monday, August 27, 2012 at 9:37am

algebra college
find the remaining zeros of f. degree 4 zeros i, -18+i enter the remaining zeros of f please help me out!
Monday, August 27, 2012 at 12:50am

college algebra
form a polynomial f(x) with real coefficients having the given degree and zeros degree 4 zeros 5+3i;3 multiplicity 2 enter the polynomial f(x)=a?()
Monday, August 27, 2012 at 12:48am

Algebra
The attendance at a baseball game was 400 people. Student tickets cost $2 and adult tickets cost $3. Total ticket sales were $1050. How many tickets of each type were sold?
Monday, August 27, 2012 at 12:35am

Algebra
John and two friends rent a canoe at a park. Each person must rent a life jacket. If the bill for the rental of the canoe and life jackets is $41, for how many hours did they rent the canoe? tell me the answer and how you got it
Monday, August 27, 2012 at 12:31am

Linear Algebra
Ok this is the last one I promise! It's from a sample exam and I'm practicing for my finals :) Verify if the following 4 points are consecutive vertices of a parallelogram: A(1,-1,1); B(3,0,2);C(2,3,4);D(0,2,3) (b) Find an orthogonal vector to the plane containing the ...
Monday, August 27, 2012 at 12:04am

Algebra
Please help me with this algebra question?!?!?!? Find the discriminant of the equation in terms of p and q. Suppose q<p<0. Tell how many real solutions the equation has. px^2+qx-p I really need help with this math question! And indoor gym room consists of a rectangular ...
Sunday, August 26, 2012 at 10:19pm

Algebra with Applications
Suppose an insurance agent offers you a policy that will provide you with a yearly income of $150,000 in 25 years. What is the comparable annual salary today, assuming an inflation rate of 4%?. (Round your answer to the nearest cent.) I think I would solve this problem like ...
Sunday, August 26, 2012 at 8:12pm

Linear Algebra 2 question
Hello, I have another question from my linear algebra class. I'm asked to find the area of a triangle using determinants, but they don't give me the vertices, only the sides. Where A,B,C and D are the vertices, u and v are 2 out of the 3 sides. Now they give me u=(-3,1...
Sunday, August 26, 2012 at 8:10pm

9th grade algebra/Ms Sue
No, I did not check Reiny's answer that night. I did check it just now and it is the same answer I got the very first time I did the problem,but my Dad did not agree with me at that time. He did later after going over and over it. Thanks Ms. Sue. We just got notice that we...
Sunday, August 26, 2012 at 7:51pm

Pre-algebra
5(a-b)-7(a-b)+8(a-b)Y
Sunday, August 26, 2012 at 7:35pm

geography
Thank You and I did some more questions. Can you check them? 1. Is the Antarctic Circle north or south of the equator? South of the equator 2. All lines of longitude are measured east and west of what imaginary line? The Prime Meridian. Ms. Sue the 9th grade Algebra question I...
Sunday, August 26, 2012 at 6:53pm

ALGEBRA
1.2G DIVIDED BY 3CM TO THE THIRD POWER
Sunday, August 26, 2012 at 5:57pm

college algebra
an executive invests $29,000 some at 7% and some at 6% annual interest. if he receives an annual return of $1870, how much is invested at each rate?
Sunday, August 26, 2012 at 4:08pm

Linear Algebra
Knowing u = (4,0,-3), v = (x,3,2) and that the orthogonal projection of v on u is a vector of norm 6, determine x. Thank you
Sunday, August 26, 2012 at 4:06pm

algebra
use the intermediate value theorem to show the polynominal function has a zero in the given interval f(x)=x^5-x^4+3x^3-2x^2-11x+6; [1.5,1.9] x= -2.33 y=10.19 after i plugged in the 1.5 and 1.9 i just want to know if my x and y are correct
Sunday, August 26, 2012 at 12:40pm

Algebra
2006, 74.2 million tax returns were filed electronically. This represents a 108.8% increase over the year 2005. How many income tax returns were filed electronically in 2005?
Sunday, August 26, 2012 at 9:36am

math
STATISTICS The mean score for samantha's first s algebra quizzes was 88. If she scored a 95 on her next quiz, what will her mean score be for all 7 quizzes?
Saturday, August 25, 2012 at 10:59pm

algebra
x 2/3-16x 1/3 +64=0
Saturday, August 25, 2012 at 10:50pm

college algebra
use rational zeros theorem to find all the real zeros in the polynomial function. use zeros to factor f over real numbers. f(x)=x^3+10x^2-13x-22 find real zeros of f? use real zeros to factor f?
Friday, August 24, 2012 at 9:58pm

college algebra
find the complex zeros of the polynomial function. write f in factored form. use complex zeros to write f in factored form f(x)= x^3-6x^2+21x-26
Friday, August 24, 2012 at 9:02pm

algebra
Solve. (x-4)=18
Friday, August 24, 2012 at 8:22pm

algebra
Solve by using the square root property. (x+7)^2=-11
Friday, August 24, 2012 at 8:21pm

College Algebra
Write the equation of a circle in standard Find the center, radius intercepts and graph the circle. .........x^2+y^2-12x-4y+36=0
Friday, August 24, 2012 at 3:39pm

College Algebra
Find the slope intercept equation of the line with the following properties: Parallel to the line 5x+2y=1; containing points (-5,4)
Friday, August 24, 2012 at 3:35pm

Algebra
Parking in a student lot cost $2 for the first half hour and $1.25 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time that a student can park in this lot for $9? Simplify your answer.
Friday, August 24, 2012 at 3:06pm

Algebra
1/6p+14<20?????? Help explain please!
Friday, August 24, 2012 at 10:01am

Algebra
1p+14<20 I have tried everything! Please explain?
Friday, August 24, 2012 at 9:40am

algebra
math question: you want to mat and frame a 5x 7 photograph. The perimeter of the outside of the mat is 60 inches. the mat is twice as wide at the top and the bottom as it is on the sides. Find the dimensions of the mat
Friday, August 24, 2012 at 1:57am

Algebra
if a ball standing on four legs wetght 1,200 pounds,how much will this bull weigh when standing on three legs
Thursday, August 23, 2012 at 10:22pm

Algebra
The height of the flagpole is three fourths of the height of the school. The difference in their heights is 4.5 m. What's the height of the school? Choices for school's height: 18, 20, 24. Please show work
Thursday, August 23, 2012 at 9:58pm

Algebra
The height of the flagpole is three fourths the height of the school. The difference in their heights is 4.5 m. What's the height of the school? Choices for school's height: 18, 20, 24. Please show work
Thursday, August 23, 2012 at 9:11pm

Algebra
algebraic expression for the sum of twice a number squared and 7
Thursday, August 23, 2012 at 8:37pm

Algebra
Answer to david has scores of 79, 96, 63, 54 on his algebra tests. Use an inequality to find the minimum score he can make on the final exam to pass the course with an average of 70 or higher, given that the final counts as 3 tests.
Thursday, August 23, 2012 at 7:53pm

Algebra
Hey, I was wondering if anyone could possibly restate a math question for me? Here it is : Decribe the pattern relating values of those variables and the way that the relationship is shown in the table and the graph.
Thursday, August 23, 2012 at 3:56pm

3 grade math
I can answer this question, but I need to explain to our child how to solve it using the method requested, not an algebra solution. Child is becoming frustrated and confused while attempting to answer these questions. the instructions for solving, are try 3 numbers that add to...
Thursday, August 23, 2012 at 11:11am

algebra
where would you graph 10/7 on a number l0/7 on a number line? i took 10/7 made it 1 3/10 and think youd graph between 1 and 2 on graph, but not sure.
Thursday, August 23, 2012 at 10:30am

algebra
Which set of numbers does -55 belon? natural whole integers irrational i'm not sure but leaning towards natural or whole. Can someone please help?
Thursday, August 23, 2012 at 10:23am

algebra
A flag pole casts a shadow of 27 feet , while a boy 5 feet tall casts a shadow of 3 feet find the height of the flag pole
Thursday, August 23, 2012 at 10:18am

algebra
I'm having difficulty solving 0.7y+9=y+15????? I know the answer is 20 but can't remember procedure. Do I change the decimal to a fraction 1st???
Thursday, August 23, 2012 at 4:04am

Algebra
How is a quadratic inequality different from a quadratic equation?
Thursday, August 23, 2012 at 2:43am

algebra 2
Tickets for the hamiltons high school's summer play are $3 for students and $5 for non-students. on opening night 937 tickets were sold and $3943 is collected. How many tickets were sold to students? non-students?
Wednesday, August 22, 2012 at 10:41pm

Algebra
The length of a rectangle is one unit more than its width. If the area is 30 square units, find the dimensions of the rectangle.
Wednesday, August 22, 2012 at 10:22pm

9th grade algebra/Ms Sue
Okay Ms. Sue. I am in 8th grade but I am taking Algebra with 9th graders. I am very confused with my previous problem. I have asked my Dad but we are both getting confused. Now I have come up with 22. Is this my correct answer?
Wednesday, August 22, 2012 at 9:59pm

Algebra 8th grade
The length of a rectangle is twice its width. If the area is 30 square units, find the dimensions of the rectangle.
Wednesday, August 22, 2012 at 9:57pm

college algebra !!!
analyze the graph of the following function. r(x)= x^2+x-6 -------- x^2-x-2
Wednesday, August 22, 2012 at 9:47pm

9th grade Algebra
The question that Mr. Kirk helped me with a little while ago. I am trying to do it on my calculator this time. I cannot seem to come out with the answer. I can't seem to get a logical answer. Will you please explain it to me? I just cannot grasp it!!
Wednesday, August 22, 2012 at 9:46pm

Algebra
How do I solve 5n+8(-6n-2) explain your answer.
Wednesday, August 22, 2012 at 9:30pm

9th grade Algebra
Did I get the right answer for this? Evaluate the expression 3x squared - 5x when x= -2 My Answer is 46. I got this by doing 3 times -2 and squaring that and then multiplying 5 times -2 and subtracting that ( negative 10 ) from 36. Is this correct?
Wednesday, August 22, 2012 at 9:25pm

Algebra 1
what are the length and width of a rectangle if the area is 13.5 square units and the length of one side is .5 the measure of the perimeter?
Wednesday, August 22, 2012 at 8:14pm

algebra 2
for the pair of functions,f(x)=2x and g(x)=6x^2-3x+6 find the following pairs a)(f 0 g)(x), b)(f 0 g)(-3) c) (g 0 f)(x) c)(g 0 f)(4) I am haing trouble with these two, can you please help me thankyou
Wednesday, August 22, 2012 at 7:59pm

algebra
mr.thomas wants to buy a boat. he must make 548 monthly payments to pay back the amount he borrowed, plus interest. his monthly payment is $161.85. what other information is necessary to determine the amount of money mr.thomas borrowed from the bank
Wednesday, August 22, 2012 at 7:53pm

algebra 2
find the value of the anniuty a1=$5000,I=0.08,n=10 what is the future value of the anniuty
Wednesday, August 22, 2012 at 7:23pm

algebra
mr.thomas wants to buy a boat. he must make 548 monthly payments to pay back the amount he borrowed, plus interest. his monthly payment is $161.85. what other information is necessary to determine the amount of money mr.thomas borrowed from the bank.
Wednesday, August 22, 2012 at 7:06pm

Algebra
jake goes to the grocery store and buys 3 apples. 2 cans of soup, and 1 box of cereal. the apples cost $0.89 each; the soup costs $2.98 per can; and the box of cereal $4.99. write an equation that represents the total cost c of jake's purchases.
Wednesday, August 22, 2012 at 6:37pm

Algebra
Rewrite the equation 2x+4y+2=3y+5 in general form. A.2x+y-3=0 C.2x+y=3 B.y=-2x+3 D.2x+7y+7=0
Wednesday, August 22, 2012 at 6:13pm

algebra 1
-5x-10= 2-(x+4)
Wednesday, August 22, 2012 at 6:06pm

algebra
simplifying 3x^2+3x-36/x^2-x-6 and what are the restrictions and also the steps
Wednesday, August 22, 2012 at 5:58pm

Algebra
1. Determine whether the relation is a function. {(-2, -7), (3, -5), (6, -4), (9, -6), (10, -1)} 2. Determine whether the relation is a function. {(-5, -4), (-2, 9), (-1, -2), (-1, 7)} 3. Determine whether the relation is a function. {(-7, -1), (-7, 2), (-1, 8), (3, 3), (10, -...
Wednesday, August 22, 2012 at 5:02pm

algebra
what is formula to simplify the following expression to an answer with only positive exponents 4x9y-9 divided by 12x-3
Wednesday, August 22, 2012 at 3:40pm

Intermediate Algebra
Solve using the elimination method. Show your work. 14x+18y=54 -4x-14y=42 HELP please
Wednesday, August 22, 2012 at 3:33pm

algebra
Please help me anybody Abby Garland is parked at a mile marker on an east -west country road.She decides to toss a fair coin 10 times ,each time driving 1 mile east if it lands heads up and 1 mile west if it lands up tails up. The term random walk applies to this process even ...
Wednesday, August 22, 2012 at 3:01pm

algebra
multiply (-x-1)(-4x^2-2x+2)
Wednesday, August 22, 2012 at 12:47pm

algebra
use polynomial long division to divide 4x^3+6x^2+16x-10 by -x^2-2x-5 help me please
Wednesday, August 22, 2012 at 12:46pm

intermediate algebra
joe has a collection of nickles and dimes that is worth $3.95. if the number of dimes was doubled and the number of nickles was increased by 21, the value of the coins would be $8.40. How many nickles and dimes does he have? show all your work. help me please
Wednesday, August 22, 2012 at 12:42pm

intermediate algebra
given the quadratic function f(x)=9x^2+36x+36, finda value of x such that f(x)=9
Wednesday, August 22, 2012 at 12:34pm

intermediate algebra
express in terms of i square -225 + square -49
Wednesday, August 22, 2012 at 12:33pm

intermediate algebra
rewrite with positive exponents. assume that even roots are of nonnegative quantities and thst all denominators are nonzero. 1 )-3 ----- xy^3 )-3 everything times the negative power of 3 help please
Wednesday, August 22, 2012 at 12:32pm

intermediate algebra
solve using the elimination method. show your work. if the system has no solution or an infinte number of solutions, state this. 14x+18y=-54 -4x-14y=42 help me please
Wednesday, August 22, 2012 at 12:03pm

intermediate algebra
solve using the substition method. show your work. if the system has no solution or an iniinite number of solutions, state this 18x+6y=78 12x+54y=-48
Wednesday, August 22, 2012 at 11:46am

intermediate algebra
use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginery solutions. Help please.
Wednesday, August 22, 2012 at 11:43am

Intermediate algebra
If a stone is tossed from the top of a 230 meter building; the heigth of as a function of time is given by h(t)=-9.8t^2-10t+230, where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to the nearest hundreth's place; ...
Wednesday, August 22, 2012 at 11:40am

intermediate algebra
in solving the equation (x+4)(x-4)=9 eric stated the solution would be x+4=9 =>5 or x-4=9 =>13 however at least one of these solutions fails to work when subsituted back into the original equation. why is that? solve the problem yourself and explain your reasoning
Wednesday, August 22, 2012 at 9:53am

Algebra
I need help with this like really badly sooo yeahhhh:) here it is: Hugo withdrew some money from his bank account. He spent one third of the money for gasoline. Then he spent half of what was left for a haircut. He bought lunch for $6.55. When he got home,he had $13.45 left. ...
Wednesday, August 22, 2012 at 8:38am

algebra 1
how do you solve this equation with the substitution method. 1) 6x + 4y = 6/5
Tuesday, August 21, 2012 at 9:08pm

college algebra
analyze the graph of the following function. r(x)= x^2+x-6 -------- x^2-x-2 there are 8 steps but they dont make sense to me... please show work!! thanks
Tuesday, August 21, 2012 at 9:01pm

algebra
)Find a value of s such that x – 4 is a factor of f(x) = x3 - 2x2+ sx + 4.
Tuesday, August 21, 2012 at 8:58pm

algebra
Problems with simple interest loan, how would I go by determining the amount?
Tuesday, August 21, 2012 at 8:46pm

Algebra I
What is a set notation? Please explain what it is and give examples as well please. It would help a lot. Thank you.
Tuesday, August 21, 2012 at 8:17pm

algebra
Create an equation for cell phone plan:$30 for the first 500 minutes plus $.20 for each additional minute.
Tuesday, August 21, 2012 at 7:58pm

algebra
After a 2 in. slice iscut off the top of a cube, the resulting solid has a volume of 32 in.2Find the dimensions of the original cube.
Tuesday, August 21, 2012 at 7:25pm

algebra
Sylvia Acuff invested money received from an inheritance for 9 months at 8% interest. If she received $720 interest on her investment during this time, find the amount that she invested.
Tuesday, August 21, 2012 at 7:14pm

algebra
Mel Sturbridge needs $24,700 to remodel his home. Find the face value of a simple discount note that will provide the $24,700 in proceeds if he plans to repay the note in 180 days and the bank charges an 8% discount rate.
Tuesday, August 21, 2012 at 7:14pm

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