Friday
August 22, 2014

Posts by Victoria


Total # Posts: 1,111

Math
What is 100x=
August 13, 2014

college algebra
(2x2y2-3xy+4)(4xy2)
August 5, 2014

Writing
How might one write a proposal with a sample script for a movie or TV program?
July 31, 2014

My Final Algebra 1 Question
Will someone evaluate my answers and guide me through answering the last two parts of the problem? Thank you. 5. Principal Farley has $200 to pay for some teachers to attend a technology conference. The company hosting the conference is allowing 2 teachers to attend for free. ...
June 10, 2014

Algebra 1--Please, help me!
What are 2 values of b that will make 2x^2 - bx - 20 factorable? Explain your answer. A: ?
June 10, 2014

Algebra 1--PLEASE, WILL SOMEONE HELP ME?!
Please!
June 10, 2014

Algebra 1--Please, help me!
1. Mr. Lui wrote 15 - 5x/x^2 - 9x + 18. a. Explain what kind of expression it is. b. Simplify the expression. Show your work. c. Identify any excluded values. A: a. It is a rational expression. b. 5/x - 6 c. Excluded value: x = 6 2. Lynne can paint a wall in 40 minutes. Jeff ...
June 10, 2014

Algebra 1
5. Principal Farley has $200 to pay for some teachers to attend a technology conference. The company hosting the conference is allowing 2 teachers to attend for free. The number of teachers y that can be sent to the conference is given by the function y = 200/x + 2, where x is...
June 10, 2014

Algebra 1--Please, help me!
4. The sum of the digits of a two-digit number is 11. If 45 is added to the number, the digits will be reversed. a. Write a system of equations that you can use to find the digits of the number. Tell what each variable represents. b. Solve the system of equations to find the ...
June 10, 2014

Algebra 1
1. Mr. Lui wrote 15 - 5x/x^2 - 9x + 18. a. Explain what kind of expression it is. b. Simplify the expression. Show your work. c. Identify any excluded values. A: a. It is a rational expression. b. 5/x - 6 c. Excluded value: x = 6 2. Lynne can paint a wall in 40 minutes. Jeff ...
June 10, 2014

Algebra 1
I tried to graph y = x^2 - 4x + 4 and ended up with an x-intercept of -2 (the y-intercept is 4). However, according to wolfram, the x-intercept should be 2. Who is correct: me or the website?
June 10, 2014

Algebra 1
1. x = 2? 3. 0.70 = 1 (rounded to the nearest tenth)?
June 10, 2014

Algebra 1
1. What is the excluded value for the rational expression x^2 - 4/3x - 6? A: ? 2. The trinomial x ^2 - 6x + c is a perfect-square trinomial. What is the value of c? A: 9 3. Find the positive solution of the equation x^2 + 5x - 4 = 0. Round your answer to the nearest tenth. A...
June 10, 2014

Algebra 1-- Please, check my answers!
I know what they mean. I just wanted to make sure that I didn't misunderstand him.
June 10, 2014

Algebra 1-- Please, check my answers!
So they are correct?
June 10, 2014

Algebra 1-- Please, check my answers!
I'm sorry but I don't quite understand what you mean. Is the answer c? Also, what about the other questions? Will you evaluate the answers of those as well?
June 10, 2014

Algebra 1-- Please, check my answers!
1. What is ((-12x^6 + x)) / ((-4x^2))? A: 3x^4 - 1/4x 2. What is the greatest common factor of the terms of the polynomial 6x^3 - 18x^2 + 12x + 3? A: 3? 3. Which is a solution to n/n+2 = -8/n? a. -4 b. -2 c. 2 d. 4 A: a? 4. Which of the following is equivalent to ((2x^5y^2)/(...
June 10, 2014

Algebra 1
I tried the same method that you did to graph the equation y =x^2 -4x + 4 and my x-intercepts are both -2 (the y-intercept is y= 4). However, according to wolfram, the x-intercept should be 2. Who is correct: me or the website?
June 10, 2014

Algebra 1
How can I determine a equation from a graph? How can I determine how to graph y = x^2 + x - 2? Or y = x^2 - 4x + 4? Am I supposed to use the slope method (rise and run)?
June 10, 2014

Algebra 1--Please, help me!
1. What are the x- and y-intercepts of the line described by 6x - 2y = 4? a. x-intercept: 2/3; y-intercept: 2 b. x-intercept: -2/3; y-intercept: 2 c. x-intercept: 2/3; y-intercept: -2 d. x-intercept: -2; y-intercept: 2/3 My answer: ? 2. Which expression is equivalent to 3m^2n/...
June 9, 2014

Algebra 1--Please, check my answer!
1. A city map is laid out on a coordinate plane. Elm Street is described by the line x + 2y = -6. Oak street intersects Elm Street at an right angle. Which of the following could be the equation for Oak Street? a. 2x + y = 5 b. -2x + y = 3 c. x + 2y = 4 d. -x - 2y = 8 My ...
June 9, 2014

Algebra 1--Please, help me!
A city map is laid out on a coordinate plane. Elm Street is described by the line x + 2y = -6. Oak street intersects Elm Street at an right angle. Which of the following could be the equation for Oak Street? a. 2x + y = 5 b. -2x + y = 3 c. x + 2y = 4 d. -x - 2y = 8 My answer: d?
June 9, 2014

Algebra 1--Please, check my answer!
I'm sorry but I'm slightly confused. How does x = 6 when the graph is y =(x-6)^2?
June 9, 2014

Algebra 1--Please, check my answer!
At how many points does the graph of y = (x-6)^2 intersect the x-axis? A: Two.
June 9, 2014

Algebra 1--Please, help me!
Mulitply ((n-5)/(n^2 - 2n -3)) / ((n-3)/(n^2 -4n - 5)).
June 3, 2014

Algebra 1
1. A chemistry student needs to make a solution that is 70% water and 30% hydrochloric acid. The student's current mixture of 300 ml is 60% water and 40% hydrochloric acid. How much water must the student add to achieve his desired solution? A: ? 2. 5. 2/t + 4/3t = 4/t + 2...
June 3, 2014

Algebra 1--Please, help me!
Please, will someone check my answers and help me solve the other questions? 1. It takes Dustin 2 hours to shovel the snow from his driveway and sidewalk. It takes his sister 3 hours to shovel the same area. How long will it take them to shovel the walk if they work together? ...
June 3, 2014

Reiny?
Reiny?
June 3, 2014

Algebra 1--Please, help me!
Also, is #5 correct? bobpursley's response was somewhat unclear.
June 3, 2014

Algebra 1--Please, help me!
What about #1 and #2?
June 3, 2014

Algebra 1--Please, help me!
1. It takes Dustin 2 hours to shovel the snow from his driveway and sidewalk. It takes his sister 3 hours to shovel the same area. How long will it take them to shovel the walk if they work together? A: Working together, Dustin and his sister can shovel the walk in 1 1/5 hours...
June 3, 2014

Algebra 1 (Reiny)
1. It takes Dustin 2 hours to shovel the snow from his driveway and sidewalk. It takes his sister 3 hours to shovel the same area. How long will it take them to shovel the walk if they work together? A: Working together, Dustin and his sister can shovel the walk in 1 1/5 hours...
June 3, 2014

Algebra 1 (Reiny)
1. ((d + 2)/(d + 8)) = ((-6)/(d + 8)) A: ? 2. 4/n^2 = 7/n + 2 A: n = -4 or n = 1/2? 3. 2/t + 4/3t = 4/t + 2 A: t = 10? 4. ((x -6)/(x^2-6)) = ((-4)/(x-4)) A: ?
June 3, 2014

Algebra 1 (Reiny)
Thank you so much!
June 3, 2014

Algebra 1 (Reiny)
I'm sorry but I'm confused about the steps you took in the part of the equation that you began to solve for me. Maria has 8 cups of a fruit punch that consists of 25% orange juice and 75% apple juice. She wants to make a drink that is 40% orange juice. How many cups of...
June 3, 2014

Algebra 1
Solve. Check your answer. 1. ((d + 2)/(d + 8)) = ((-6)/(d + 8)) A: ?
June 3, 2014

Algebra 1--Please, check my answer!
Solve. Check your answer. 1. ((1)/(x)) = ((2)/(x^2)) A: x = 2
June 3, 2014

Algebra 1--Please, help me!
1. Maria has 8 cups of a fruit punch that consists of 25% orange juice and 75% apple juice. She wants to make a drink that is 40% orange juice. How many cups of orange juice should Maria add to th mixture? A: ? Determine whether the trinomial is a perfect-square. If so, factor...
June 3, 2014

Algebra 1--Please, help me!
1. Maria has 8 cups of a fruit punch that consists of 25% orange juice and 75% apple juice. She wants to make a drink that is 40% orange juice. How many cups of orange juice should Maria add to th mixture? A: ? Determine whether the trinomial is a perfect-square. If so, factor...
June 3, 2014

Algebra 1--Please, check my answer!
Connor and Matt walks a 12-mile course as part of a fitness program. Matt walks 1 mi/h faster than Connor, and it takes him 1 hour less than Connor to complete the course. How long does it take Connor to complete the course? A: It takes Connor 4 hours to complete the course?
June 3, 2014

Algebra 1
What are the steps to solve this?
June 2, 2014

Algebra 1--Please, help me!
Please!
June 2, 2014

Algebra 1
Maria has 8 cups of a fruit punch that consists of 25% orange juice and 75% apple juice. She wants to make a drink that is 40% orange juice. How many cups of orange juice should Maria add to th mixture?
June 2, 2014

Algebra 1
It takes Connor 4 hours to complete the course?
June 2, 2014

Algebra 1
Connor and Matt walks a 12-mile course as part of a fitness program. Matt walks 1 mi/h faster than Connor, and it takes him 1 hour less than Connor to complete the course. How long does it take Connor to complete the course?
June 2, 2014

Peculiar Question
What is 7/8 of an hour?
June 2, 2014

Algebra 1
Solve. Check your answer. 1. ((3x-7)/(x-5)) + ((x)/(2)) = ((8)/(x-5)) A: ?
June 1, 2014

Algebra 1--Please, check my answer!
Solve. 1. ((3)/(a-4)) = ((a) / (a-2)) A: a = 6 or a = 1
May 31, 2014

Algebra 1
Solve. 1. ((3)/ (s-6)) = ((4)/(s)) + ((1)/(2s))
May 31, 2014

Algebra 1--Please, check my answer!
Solve. 1. ((3)/(s-6)) = ((4)/(s)) + ((1)/(2s))
May 31, 2014

Algebra 1--Please, check my answer!
Add or subtract. Simplify your answer. 1. ((2t)/(4t^2) + (2)/(t)) A: 5/2t
May 31, 2014

Algebra 1
Multiply. Simplify your answer. 1. (3h^3 - 6h/10g^2) x (4g/g^2 - 2g) (This is the correct expression. There is no typo.) A: ? 2. (m^2 + m - 2/m^2 - 2m - 8) x (m^2 -8 + 16/3m -3) (This the correct expression. There is no typo.) A: ?
May 31, 2014

Algebra 1-- Explain How to Solve
Add or subtract. Simplify your answer. 1. (x^2 + 8x)/ (x - 2)/ (3x + 14)/ (x - 2) A: ? 2. (2t)/(4t^2) + (2)/(t) A: ? 3. (m^2 - m - 2)/ (m^2 + 6m +5) - (2)/(m + 5) A: ?
May 31, 2014

Algebra 1
I don't know the answers to only three of the expressions I have posted. The rest are the answers that must be checked.
May 30, 2014

Algebra 1
Multiply. Simplify your answer. 1. (n + 3/n- 5) x (n^2 - 5n) A: n^2 + 3n 2. (6xy^2/2x^2y^6) x (6x^4y^4/9x^3) A: 2 3. (3h^3 - 6h/10g^2) x (4g/g^2 - 2g) (There is no typo.) A: ? 4. (m^2 + m - 2/m^2 - 2m - 8) x (m^2 -8 + 16/3m -3) (There is no typo.) A: (m-4)/3 Add or subtract. ...
May 30, 2014

Algebra 1--Please, check my answers!
Multiply. Simplify your answer. 1. (n + 3/n- 5) x (n^2 - 5n) A: n^2 + 3n 2. (6xy^2/2x^2y^6) x (6x^4y^4/9x^3) A: 2 3. (3h^3 - 6h/10g^2) x (4g/g^2 - 2g) (This is the correct expression. There is no typo.) A: ? 4. (m^2 + m - 2/m^2 - 2m - 8) x (m^2 -8 + 16/3m -3) (This the correct...
May 30, 2014

Algebra 1 Answer Re-evaluation
Multiply. Simplify your answer. 1. (n + 3/n- 5) x (n^2 - 5n) A: n^2 + 3n 2. (6xy^2/2x^2y^6) x (6x^4y^4/9x^3) A: 2 3. (3h^3 - 6h/10g^2) x (4g/g^2 - 2g) (This is the correct expression. There is no typo.) A: ? 4. (m^2 + m - 2/m^2 - 2m - 8) x (m^2 -8 + 16/3m -3) (This the correct...
May 30, 2014

Algebra 1--Please, check my answers!
Please!
May 30, 2014

Algebra 1--Please, help me!
Divide. Simplify your answer. 1. 2/n^3 / n-6/n^5 A: 2n^3/n-6? 2. 2x^2 + 8x + 6/x / 2x^2 + 2x/x^3 - x^2 A: 1 3. 8b^3c/b^2c / (4b^2 + 4b) A: 1/2b^2
May 30, 2014

Algebra 1--Please, help me!
Multiply. Simplify your answer. 1. n + 3/n- 5 x (n^2 - 5n) A: n^2 + 3n 2. 6xy^2/2x^2y^6 x 6x^4y^4/9x^3 A: 2 3. 3h^3 - 6h/10g^2 x 4g/g^2 - 2g A: ? 4. m^2 + m - 2/m^2 - 2m - 8 x m^2 -8 + 16/3m -3 A: m-4/3
May 30, 2014

Math
Cos180* - Sin90* + Cot45* - Csc30* - Sec240* - Tan315* How do I do this?
May 28, 2014

Algebra 1--HELP!
Please!
May 27, 2014

Algebra 1--Please, help me! (Steve)
Mulitiply. Simplify your answer. 1. 3r^2t/6st^3 x 2r^2s^3t^2/8r^4s^2 Add or subtract. Simplify your answer. 2. x^2 + x/x^2 + 3x + 2 + 3/x + 2 3. The Escobar family went on a car trip. They drove 100 miles on country roads and 240 miles on the highway. They drove 50% faster on ...
May 27, 2014

Algebra 1--Please, help me!
Mulitiply. Simplify your answer. 1. 3r^2t/6st^3 x 2r^2s^3t^2/8r^4s^2
May 27, 2014

Algebra 1--Please, check my answer!
Am I correct?
May 27, 2014

Algebra 1
Thank you so much! So the correct answer is 15/76 or 0.20? Please, will you help me with my other posts as well?
May 27, 2014

Algebra 1
While playing a game, Rachel pulls two tiles out of a bag without looking and without replacing the first tile. The bag has two colors of tiles--black and white. There are 10 more white tiles than black tiles. a. Write and simplify an expression that represents the probability...
May 27, 2014

Algebra 1
Is this the answer to #1? Or am I incorrect?
May 27, 2014

Algebra 1--Please, check my answer!
Am I correct? I still don't know the answer to #1.
May 27, 2014

Algebra 1
1. A: ? 2. A: 1/3x-15
May 27, 2014

Algebra 1
Divide. Simplify your answer. 1. 3a^4b/2a^2c^3 ÷ 12a^2c/8c^4 A: ? 2. x^2 + 4x - 5/3x - 3 ÷ (xC^2 - 25) A: ?
May 27, 2014

Algebra 1--Please, help me!
Find any excluded values of each rational expression. 1. t - 1/ t^2 - t A: Excluded value: 1. Simplify each rational expression, if possible. Identify any excluded values. 2. 3x^2/6x^3 A: 2x; x ≠ 2 3. 2n/n^2 - 3n A: ? 4. s + 1/s^2 - 4s - 5 A: ? 5. 12 - 3x/x^2 - 8x + 16 A...
May 27, 2014

Algebra 1--How Am I Supposed to Solve This?!
Suppose a cone and a cylinder have the same radius and that the slant height l of the cone is the same as the height h of the cylinder. Find the ratio of the cone's surface area to the cylinder's surface area. Area of cone: S = πrl + πr^2 Area of cylinder: S...
May 27, 2014

Algebra 1--how am I suppose to graph this?!
Jeff builds model train layouts. He has $75 to spend on packages of miniature landscape items. He receives 6 free packages with each other. The number of packages that Jeff can buy is given by y = 75/x + 6, where x represents the cost of each package in dollars. Describe the ...
May 27, 2014

Algebra 1--Please, help me!
1. Jeffs builds model train layouts. He has $75 to spend on packages of miniature landscape items. He recieves 6 free packages with each order. The number of packages y that Jeff can buy is given by y = 75/x + 6, where x represents the cost of each package in dollars. Describe...
May 26, 2014

Algebra 1--Please, help me!
1. The number of calculators Mrs. Hopkins can buy for the classroom varies inversely as the cost of each calculator. She can buy 24 calculators that cost $60 each. How many calculators can she buy if they cost $80 each? A: ? 2. Jeffs builds model train layouts. He has $75 to ...
May 26, 2014

Algebra 1--Please, help me!
The side of a trinagular roof is to have the same height h and base b (with a 2 below) as the side of a trapezodial roof. a. What is the ratio of the area of the triangular roof to the area of the trapezoidal roof? (For a triangle, A = 1/2b(with a 2 below)h. For a trapezoid, A...
May 23, 2014

Algebra 1--Please, help me!
The side of a trinagular roof is to have the same height h and base b^2 as the side of a trapezodial roof. a. What is the ratio of the area of the triangular roof to the area of the trapezoidal roof? (For a triangle, A = 1/2b^2h. For a trapezoid, A = b1 + b2/2h.) b. Compare ...
May 23, 2014

Algebra 1--Please, help me!
The side of a trinagular roof is to have the same height h and base b^2 as the side of a trapezodial roof. a. What is the ratio of the area of the triangular roof to the area of the trapezoidal roof? (For a triangle, A = 1/2b^2h. For a trapezoid, A = b1 + b2/2h.) b. Compare ...
May 23, 2014

Chemistry
Why would copper (II) sulfate solution react with iron to produce 3 CuSO4(aq) + 2 Fe (s) = 3 Cu (s) + Fe2(SO4)3 (aq)
May 22, 2014

Algebra 1
Simplify by factoring the numerator of the given rational expression: 4x^2 - 4x/8x
May 22, 2014

physics
A 3.0 L balloon at 300 K is placed in a cooler at 225 K. What is the volume of the balloon after it has been in the cooler?
May 20, 2014

physics
An electric stove operates on a larger 220 V line. How much power is needed to cook a pizza if 0.45 A of current is used.
May 20, 2014

physics
A pulley applies a force of 200 N over a distance of 15 m to raise a 530 N drum 4 meters. Calculate the work output done by the pulley.
May 20, 2014

physics
A 4.0 kg ceiling fan is placed 2.5 m above the floor. What is the gravitational potential energy of the fan(use Earth's value for gravitational acceleration)?
May 20, 2014

Algebra 1
Marie has a square piece of cloth. She needs another piece with a length 2 inches shorter than the side of the square piece and a width 2 inches longer. The area for the new piece of cloth is 780 in^2. What will be the dimensions of the new piece of cloth? A: ?
May 19, 2014

Algebra 1--Please, help me!
Marie has a square piece of cloth. She needs another piece with a length 2 inches shorter than the side of the square piece and a width 2 inches longer. The area for the new piece of cloth is 780 in^2. What will be the dimensions of the new piece of cloth? A: ?
May 19, 2014

Algebra 1--Please, help me!
How am I supposed to graph the following functions? 1. A wholesaler is buying auto parts. He has $200 to spend. He recieves 5 parts free with the order. The number of parts y he can buy, if the average price of the parts is x dollars, is y = 200/x + 5. a. Graph the function. A...
May 19, 2014

Algebra 1
Which values should I use to graph the rational function y = 1/x-2 - 6? (The asymptotes are x = 2; y = -6.) Also, what method could I use to choose values for graphing rational functions?
May 16, 2014

Math
Deana invests some money that earns interest compounded annually. At the end of the first year, she earns $400 in interest. At the end of the second year, she earns $432 in interest. a) what interest rate, compounded annually, is deana earning? b) how much did she invest?
May 13, 2014

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

Algebra 1 Answer Evaluation
Thank you so much! Can you evaluate my other Algebra 1 posts as well?
May 13, 2014

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

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

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 ...
May 13, 2014

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

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

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?
May 13, 2014

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.
May 12, 2014

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
May 12, 2014

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Next>>

Search
Members