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November 24, 2014

Homework Help: Math: Algebra

Recent Homework Questions About Algebra

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algebra
what are the solutions of the quadratic equation 4x^2+33x+54=0
Friday, January 4, 2013 at 12:34pm

algebra
factor the expression 4x^2+25x+36
Friday, January 4, 2013 at 12:34pm

algebra
what is the solution of the system of equations. 2x+2y+3z=-6 3x+5y+4z=3 2x+3y+4z=-10
Friday, January 4, 2013 at 12:30pm

algebra
a factory can produce two products, x and y with a profit approximated by P=14x+22y-900. the production of y can exceed x by no more than 100 units moreover production levels are limited by the formula x+2y,+1,400. what production levels yield maximum profit?
Friday, January 4, 2013 at 12:29pm

algebra
The function f(x)=x^2. The graph of g(x) is f(x) translated to the right 3 units and down 3 units. What is the function rule for g(x)
Friday, January 4, 2013 at 12:23pm

colllege algebra
use synthetic division to factor x^3-2x^2-9x+18
Friday, January 4, 2013 at 11:53am

college algebra
let f(x) be polynomial function. explain how to use the factor theorem to check if x) is a factor of F(x)
Friday, January 4, 2013 at 11:48am

algebra
Find the value of y for a given value of x, if x varies directly with x. If y=39 when x=-117 what is y when x=-132 my answer y=k*x 39=k*-117 39/-117=k k=-0.3 y=k*x y=-0.3*-1.32 y=-3.96 can someone please check my work
Friday, January 4, 2013 at 11:29am

algebra
what is the simpler form of the radical expressio. 4 sqrt 2401x^12y^16 I know its 7x^3y^4 but not sure if looks like 7[x^3[y^4 7x^3[y^4
Friday, January 4, 2013 at 11:10am

algebra
how can you write the expression with rationalized denominator? 2+3sqrt3/3sqrt6
Friday, January 4, 2013 at 11:04am

algebra
Wind farms are a source of renewable energy found around the world. The power P(in kilowatts) generated by a wind turbine varies directly as the cube of the wind speed v(in meters per second) If a turbine generates 700kW in a 5m.s wind, how much power does it generate in a 14m...
Friday, January 4, 2013 at 10:56am

algebra
The table shows the amount of milk that wisconsin dairy farms produced from 1939 to 1962 which linear model best fits this data? year milk produced(in billions of lbs 1939 12 1962 15 2005 21
Friday, January 4, 2013 at 10:49am

algebra
Find the real solutions of the equation. -8x^3-17x^2+7x=0
Friday, January 4, 2013 at 10:38am

algebra
What is the equation in standard form, of a parabola that models the values in the table? x f(x) -2 4 0 -6 4 70
Friday, January 4, 2013 at 10:36am

algebra
Tell whether equation represents direct variation. If so, identify the constant of variation 1. Y=8x Ans: yes, it represents direct variation because its in the form Y=kx. Constant of variation: 8 2. Y=2x+1 3. 3x+y=6 Please help, not too sure if I am understanding this ...
Friday, January 4, 2013 at 7:02am

algebra
Tell whether equation represents direct variation. If so, identify the constant of variation
Friday, January 4, 2013 at 6:55am

Algebra
A square cake measures 6units by 6 units by 4 units.
Friday, January 4, 2013 at 5:50am

Algebra
Kendra owns a restaurant. She decides to charge $1.50 for two eggs and one piece of toast and $0.90 for one egg and one piece of toast. How much money is she charging for each egg and each piece of toast?
Thursday, January 3, 2013 at 8:20pm

algebra
4a-3/4-3
Thursday, January 3, 2013 at 11:52am

algebra
Coulld someone take the time and check my answers please. 11) without graphing is the system independent, dependent, or inconsistent? y=-x+5 -3x-3y=-15 (my answer; dependent) 12) your club is baking vanilla and chocolate cakes for a bake sale. they need at most 19 cakes you ...
Thursday, January 3, 2013 at 11:40am

algebra
a minus the fraction a^2-a-6 over 2(a-3) thank you
Thursday, January 3, 2013 at 11:05am

algebra
Have a few questions can someone please help me figure them out? 1) You research the cost of a gallon of gasoline over several years to look for a trend. The table shows your data. What is a line of best fit for the data? Based upon these prices, how much would you expect tp ...
Thursday, January 3, 2013 at 10:33am

algebra
Have a few questions can someone please help me figure them out? 1) You research the cost of a gallon of gasoline over several years to look for a trend. The table shows your data. What is a line of best fit for the data? Based upon these prices, how much would you expect tp ...
Thursday, January 3, 2013 at 10:33am

Algebra
the length of a rectangle is 7 cm more than its width. find the demensions of the rectangle if its perimeter is 50 cm.
Thursday, January 3, 2013 at 9:24am

Algebra II
The weight of a body varies inversely as the square of its distance from the center of the earth. If the radius of the earth is 4000 mi, how much would a 200 lb man weigh 1000 mi above the surface of the earth?
Thursday, January 3, 2013 at 7:23am

Algebra
If someone invests $8000 at 7%, how much additional money must he invest at 4% so that his total annual income may equal 5% of his entire investment?
Wednesday, January 2, 2013 at 10:28pm

algebra
How do you slide a point from (0,-2) to (3.5,5)?
Wednesday, January 2, 2013 at 10:20pm

algebra
-Alan sold his bike to Dan making a 20% profit. Dan sold the bike to Carol for $180 which was a 25% profit for Dan. How much did Alan originally pay for the bike? - A positive number is increased by 20%. This new number is now decreased by 20%. To obtain this final result the ...
Wednesday, January 2, 2013 at 10:04pm

algebra
-If A and B are two different numbers selected from the first thirty counting numbers from 1 to 30 inclusive, what is the largest possible value of A+B/ A-B? -Ann takes medicine for a cold. She must take one pill every 8 hours and a teaspoonful of cough medicine every 5 hours...
Wednesday, January 2, 2013 at 10:00pm

algebra
please help because am missing something.thankyou factor completely given that x+2 is a factor. 2x^3 + 7x^2 - 3x - 18
Wednesday, January 2, 2013 at 9:59pm

Algebra
Could someone be nice enough to check my answers please? 1)Identify a pattern and find the next number in the pattern. -2,3,8,13 my answer; 18 2)Name the property of real numbers illustrated by the equation. -4(x+4)=-4x-16 my answer; distributive property 3)Solve the compound ...
Wednesday, January 2, 2013 at 9:48pm

algebra
Xpower2 -15+50=0
Wednesday, January 2, 2013 at 9:24pm

algebra
10n+6=15n-9 In this equation what does n=
Wednesday, January 2, 2013 at 6:19pm

Algebra 1
1)A farmer plans to create a rectangular garden that he will enclose with chicken wire. The garden can be no more than 30 ft wide. The farmer would like to use at most 180 ft. of chicken wire. Write a system of linear inequalities that models this situation. 2) Determine the ...
Wednesday, January 2, 2013 at 6:19pm

algebra
10n+6=15n-9 n=
Wednesday, January 2, 2013 at 5:43pm

algebra 2
what is the y-intercept, the x-coordinate of the vertex and the equation of the axis of symmetry of the problem f(x)=2x^2
Wednesday, January 2, 2013 at 5:37pm

Algebra
need help. The skier goes down the slope distance d and time t. The relationship between d and t can be represented in the following form d = at = bt^2 where a nd b are constants. If given d=11 t=2 and d=28 t=4 how to calculate values of a and b. Calculate the length of the ...
Wednesday, January 2, 2013 at 4:34pm

Algebra 1
little help? 1)The function g(t) = 2t represents the number of guitar lessons, g(t), you can complete in t months. How many guitar lessons can you complete in 7 months? 2)A taco stand sells tacos for $3.25 each. The stand’s expenses for the day are $210. Write an ...
Wednesday, January 2, 2013 at 4:03pm

algebra
turn 2x-y-4>0 into y equal
Wednesday, January 2, 2013 at 3:56pm

Pre algebra
5.4=y-1.5.+2.3
Wednesday, January 2, 2013 at 3:05pm

Algebra
I have a few questions I need help with. They are to help review for our exam. 4) Without graphing, is each system independent, dependent, or inconsistent? -x-3y=0 x-y=4 (i believe dependent) dependent independent inconsistent 6) Which matrix represents the system of equations...
Wednesday, January 2, 2013 at 12:46pm

Algebra
Which is the correct answer to the following: Simplfy: 2 + 3 . 10 Devided by 5 . 3 - 9 A)"5 B) 21 C)"60 D) 11
Wednesday, January 2, 2013 at 12:16pm

algebra
which steps transform the graph of y=x^2 to y=-(x-3)^3+2 would it be 3 units to right translate up 2 units
Wednesday, January 2, 2013 at 11:54am

algebra
which matrix represents the system of equations below. -2x-7y=3 7x-6y=12 not sure how to figure this out.
Wednesday, January 2, 2013 at 11:03am

algebra
without graphing is each system independent, dependent, or consistent? -x-3y=0 x-y=4 please someone help me
Wednesday, January 2, 2013 at 10:57am

algebra
The total age of Friday and Fred is 68 years. Fred is thrice as old is Friday. How old is Fred?
Wednesday, January 2, 2013 at 8:51am

algebra
What are the steps to figuring out x and y in 3x + 5y = 39.89 and what does x and y equal in the end?
Tuesday, January 1, 2013 at 8:15pm

algebra
how do i simplify 16^1/2 in steps and explanation?
Tuesday, January 1, 2013 at 3:00pm

Algebra
Simplify: 2 + 3 . 10 Devided by 5 . 3 - 9 (Thanks and Happy New Year!)
Tuesday, January 1, 2013 at 2:57pm

Algebra
What is the evaluation of: a - 13 when a = 33. Thanks & Happy New Year :)
Tuesday, January 1, 2013 at 2:15pm

Algebra
What is the value of 3a when a = `4. (Thank you in advance & Happy New Year!)
Tuesday, January 1, 2013 at 2:11pm

Algebra
What is the value of 20x when x = 10. (Thank you in advance and Happy New Year! :)
Tuesday, January 1, 2013 at 2:07pm

Algebra
True or False: If an agebraic expression calls for Y=8, that means that you will use the number 8 to replace the letter Y in order to solve the expression?
Tuesday, January 1, 2013 at 1:09am

Algebra
Didnt write my question too good last time so here is what I meant. This is a mixed ezpression written as fraction and then to be put in simplest form. 3/1 minus 2x-2/x^2-1 thank you
Monday, December 31, 2012 at 8:04pm

Algebra
Didnt write my question too good last time so here is what I meant. This is a mixed ezpression written as fraction and then to be put in simplest form. 3/1 minus 2x-2/x^2-1 thank you
Monday, December 31, 2012 at 8:03pm

algebra
Please help THANKS write as a fraction in simplest form (a/b +1)(b/a-1)
Monday, December 31, 2012 at 3:50pm

algebra
3 - __2X-2______ X^2-1 Write the expression as a fraction in simplest form. 3 minus 2x-2 over xsquared minus 1 Can anyone help?
Monday, December 31, 2012 at 3:44pm

Algebra
Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis
Monday, December 31, 2012 at 3:13pm

algebra 2
find all the zeroes of: x^5-3x^4-24x^3-72x^2-25x+75=0 5x^5-20x^4-40x^3-16x^2-45x+180=0 -3x^5+3x^4+9x^3-7x^2+12x=12 x^3-x^2-13x-13=0 x^3+x^2=15x-15 Thank you for any help...I'm desperate please help :(
Monday, December 31, 2012 at 12:10pm

algebra 2
identify the vertex, axis of symmetry and the dirction of opening for y=-(x-6)^2-5
Monday, December 31, 2012 at 10:23am

basic algebra
1) 2x²-7x-15 2) 9x²+24x+16 Can you show me all the steps...i dont know how to do it...Thankyou!!:)
Saturday, December 29, 2012 at 10:27am

Algebra Homework- Scientific Notation
How would you write 768,390 as a decimal? Would it be 7.6839 or something else?
Friday, December 28, 2012 at 7:50pm

Algebra Homework
On my homework it says to write 324 in scientific notation. For my answer I got 3.24 x 10^2 Would this be correct?
Friday, December 28, 2012 at 7:04pm

pre algebra
a typist works from 10am to 6pm making $120 for the day. after typing from the end of page 8 to the end of page 50, find the number of pages per hour. find the rate of pay in dollars per page
Friday, December 28, 2012 at 2:38pm

Algebra 2
A new skateboarder's ramp just arrived at Bungey's Family Fun Center. A cross -sectional view shows that the shape is parabolic. The sides are 12 ft high and 15 ft apart. Write an equation that, when graphed, will show the cross section of this ramp. Is this correct? y...
Thursday, December 27, 2012 at 4:21pm

Algebra 2 ..
Reiny,why do you have to answers in the promvlem 5x^2...................please look back....
Thursday, December 27, 2012 at 2:46pm

algebra
12square root(-10)^12
Wednesday, December 26, 2012 at 9:53pm

Algebra 2 ..
1)When Twinkle Toes Tony kicked a football, it landed 100ft from where he kicked it. It also reached a height of 125 ft. Write an equation that, when graphed, will model the path of the ball from the moment it was kicked until it first touched the ground. 2) A new skateboarder...
Wednesday, December 26, 2012 at 7:40pm

Algebra 2 ..
Describe the transformations. 1. g(x)=(2x)^2 2. g(x)=-1/2x^2
Wednesday, December 26, 2012 at 4:27pm

Algebra 2 ..
Solve by completing the square. 5x^2+10x-7=0 My answer: x= -1+ or - 2sqrt.of 10 all over 5
Wednesday, December 26, 2012 at 3:53pm

Algebra 2 ..
Solve by completing the square. 1. 2x^2=5x+12 2. 5x^2+10x-7=0
Tuesday, December 25, 2012 at 6:08pm

Algebra 2 ..
Solve the equation by completing the square. 3x^2+4x=1 My answer: x=-2+or- sqrt. of 39 all over 3. When I checked my answer how come it was x=-2+or-sqrt. of 7 all over 3?
Tuesday, December 25, 2012 at 5:31pm

Algebra 2 ..
Solve the equation by completing the square. x^2-2=9x My answer: x=9/2+or- the sqrt. of 22.25 (but when I checked my answer the actual answer was x=9+or - the sqrt. of 89 and then all over 2) Please explain why my answer is different from the actual answer.
Tuesday, December 25, 2012 at 3:56pm

college algebra
Solve the following inequality. x^3+9x^2-108 less or equal to 0. Then write your solution in interval notation. I am sooo confused and do not have any idea how to do this. Can someone please show me step by step please??? Thanks in advance. Someone who is confused.
Tuesday, December 25, 2012 at 6:27am

pre-algebra
Kiron invests $22,700 at 14% simple interest. About how much interest will he earn in 6 months?
Saturday, December 22, 2012 at 12:38pm

algebra URGENT!
Solve the system using elimination. 2x – 2y = –8 x + 2y = –1 And this one: Solve the system using elimination. 3x – y = 28 3x + y = 14 Pleease help me :(
Friday, December 21, 2012 at 11:59pm

I NEED HELP!.. Algebra
Find a solution to the following system of equations. -5x + y = -5 -4x + 2y = 2
Friday, December 21, 2012 at 11:50pm

algebra
Hey, I dont undertand how to solve this equation using substitution. 3y = -1/2x + 2 y= x + 9
Friday, December 21, 2012 at 8:42pm

algebra
The sum of two numbers is 82. Their difference is 24. Choose the system of equations that describes this situation. Solve by elimination to find the two numbers.
Friday, December 21, 2012 at 8:38pm

algebra
Solve the system of equations using substitution. y = x + 6 y = –2x – 3
Friday, December 21, 2012 at 7:51pm

algebra
Solve the system of equations using substitution. y = 2x – 10 y = 4x – 8
Friday, December 21, 2012 at 6:31pm

algebra
Solve the system of equations using substitution. y = 2x + 3 y = 3x + 1
Friday, December 21, 2012 at 6:20pm

algebra
The length of a rectangle is 2 cm more than four times the width. If the perimeter of the rectangle is 84 cm, what are its dimensions?
Friday, December 21, 2012 at 6:02pm

algebra
What is the solution of the system of equations? y = 3x + 7 y = x – 9
Friday, December 21, 2012 at 5:54pm

algebra
At the Wild Thing Zoo, you can rent a motorized cart to tour the grounds for a $4 initial charge and $4 per hour. An equation that represents the total cost y for x hours is y = 4 + 4x. At Safari Zoo, you can rent the same cart for a $3 initial charge and $5 per hour. An ...
Friday, December 21, 2012 at 5:46pm

algebra
In a basketball game, a regular basket was worth 2 points and a long-distance basket was worth 3 points. If there were 45 baskets in a game and 96 points total, how many regular baskets r and long-distance baskets l were made? Show the correct system of equations.
Friday, December 21, 2012 at 5:27pm

algebra
You decide to market your own custom computer software. You must invest $3,255 for computer hardware, and spend $2.90 to buy and package each disk. If each program sells for $13.75, how many copies must you sell to break even?
Friday, December 21, 2012 at 5:20pm

algebra
Identify the graph of the pair of equations as parallel, intersecting, or identical. y = 5x – 4 y = 5x – 5
Friday, December 21, 2012 at 5:07pm

algebra
Does the system of equations have no solution, one solution, or infinitely many solutions? y = 2x – 3 y = –x + 3
Friday, December 21, 2012 at 4:57pm

algebra
Does the system of equations have no solution, one solution, or infinitely many solutions? y = x + 4 y – 4 = x
Friday, December 21, 2012 at 4:48pm

algebra
Which graph represents the following system of equations? y = 3x + 3 y = –x – 3
Friday, December 21, 2012 at 4:43pm

Pre Algebra Help ASAP
Which of the following equations has an infinite number of solutions? a. 3x – 3 = –4x b. 2y + 4 – y = 16 c. 7x + 5 = 4x + 5 + 3x d. 6y – 2 = 2(y – 1) And please explain how I don't understand. Thanks sooooo much!!!
Friday, December 21, 2012 at 3:08pm

College Algebra
Why is t= ln(2)/.04 the same as t= 25ln(2)? Please explain it step by step. What rule do you use or how do you change the .04 to the 25?
Friday, December 21, 2012 at 2:34pm

Algebra Grade 7
Mr and Mrs Chen have three children. suppose the chance of having wither a boy or girl is 50%. what is the probability of having two boys and one girl? 2/9? a survey with 104 responses asked what is your favorite winter activity the results are listed in tabel if 500 ppl had ...
Friday, December 21, 2012 at 2:33pm

Algebra w/Applications
Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) $3,000 balance, 21% rate, $150 payment, adjusted ...
Friday, December 21, 2012 at 2:00pm

Algebra 1
An airplane travels 6200 km against the wind in 8 hours and 7080 km with the wind in the same amount of time. What is the rate of the plane in still air and what is the rate of the wind?
Friday, December 21, 2012 at 10:26am

Algebra
A club consists of 16 men and 19 women. In how many ways can they choose a president, vice president, treasurer, and secretary, along with an advisory committee of six people? (Round the answer to five decimal places.) _____ x 10(to the 11th power) ways
Friday, December 21, 2012 at 9:59am

Algebra
The campus vets club is having a raffle and is selling 2,700 tickets. If the people on your floor of the dorm bought 297 of those tickets, what is the probability that someone on your floor will hold the winning ticket? (Enter your answer as a decimal.)
Friday, December 21, 2012 at 9:55am

Algebra
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We find the heights of 80 people. (a) How many would you expect to be between 167 and 183 cm tall? (b) How many would you expect to be taller than 170...
Friday, December 21, 2012 at 9:54am

Algebra 2
How do i get the perfect square of: 3x^2+7x=-9
Thursday, December 20, 2012 at 10:45pm

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