Saturday

December 20, 2014

December 20, 2014

Number of results: 4,829

**math**

If the sides of a box all double in length, by how much does its volume increase? By a factor of 2 By a factor of 4 By a factor of 6 By a factor of 8 Explain your answer.
*June 24, 2010 by M.A.*

**stats**

two factor ANOVA indep measures exper. 2 level factor A 3 level factor B n=5 in each treatment SS df ms between 240 5 factor A ? 1 ? Fa=24 factor B ? 2 ? AxB 60 2 30 within ? 24 5 are this answers right for SS A=120 B=80 w/I=120
*March 24, 2013 by tita*

**Math**

Use the Factor Theorem to determine whether x-3 is a factor of P(x)=2x^3-5x^-9 . Specifically, evaluate P at the proper value, and then determine whether x-3 is a factor. P(_)=__ also pick which one applies x-3 is not a factor of P(x) x-3 is a factor of P(x)
*January 24, 2011 by Joe*

**Factor**

How do I factor these: 2x2 - 16x + 30 4x^2-9 x^2-5x 5x^2-26x+5 25x^2+4 Example: 2x^2 - 16x + 30 = 2 (x^2 - 8 x + 15) 2(x - 5)(x - 3) The first, factor out a 2 first. Then factor . The second...difference of two squares Third factor out an x I will be happy to critique your ...
*July 8, 2007 by mike*

**factoring**

how to factor x^4 - 2x^3 - 8x + 16 Thanks. you can factor by grouping wich is to divide the equation into two pieces 1)x^4-2x^3 -8x+16 2)now factor this two x^3(x-2)-8(x-2) 3)you will get x^3-8 and x-2 4)factor x^3-8
*January 31, 2007 by Jen*

**Using the factor Theorem**

use the factor theorem to determine whether x-c is a factor of f(x) f(x)=x^3+8x^2-18x+20; x-10 I have a doubt in my answer, i determined that x-10 is not a factor... am i right? please verify as my exam is tomorrow night at college. thank you for your time and hard work:)
*March 13, 2010 by Rose*

**calculus**

The treatment of a certain viral disease requires a combination dose of drugs D1 and D2. Each unit of D1 contains 1 milligram of factor X and 2 milligrams of factor Y, and each unit of D2 contains 2 milligrams of factor X and 3 milligrams of factor Y. If the most effective ...
*June 25, 2010 by gab*

**Algebra**

Factor at the greatest common factor from the expression. Can someone please show me how to factor so I will know? Thank you! 18x^714x^2
*August 2, 2012 by Anonymous**

**Algebra**

Use the Factor Theorem to determine whether x+2 is a factor of P(x)=2x^4+x^3-3x-9. Specifically, evaluate P at the proper value, and then determine whether x+2 is a factor. P(__)= x+2 is or is not a factor of P(x)____
*May 17, 2011 by Miranda*

**Pre Calculus**

using the factor theorem to show that x-c is a factor of P(X) for the given values of c, and factor 1. P(x)=x3-5x^2+8x-4; c=1
*October 29, 2011 by Josh*

**Algebra**

Factor out the greatest common factor simply the factor if possible. 26(5-x)2-5(5-x)3
*October 8, 2013 by Lisa Vice*

**Maths (factor theorem)**

9x^2 6xy 4y^2 is a factor of 27x^3 - 8y^3, find the other factor.
*July 18, 2014 by Francis *

**Factor completely**

I am to factor this completely and I am stuck. 2r^3 + 8r^2 +6r Note: x^2 is x-squared (that is, x with the superscript 2), etc. 2 is a factor and r is a factor so the equation becomes 2r(r^2 + 4r + 3) then we can factor the term in parentheses. To do that, we know the first ...
*June 12, 2006 by Bekki*

**FACTORING**

I can't figure out how to factor this. I know you use the technique Factor by Grouping. But can someone explain to me how to factor this problem by using factor by grouping technique. Problem: 30x^3 + 18x^2 - 5x - 3. Thanks so much:) Miley
*January 30, 2008 by Miley*

**Statistics**

The structure of a two-factor study can be presented as a matrix with the level of one factor determining the rows and the levels of the second factor determining the colums.With this structure in mind,describe the mean differences that are evaluated by each of the three ...
*March 7, 2010 by kd *

**math**

Is 3 a factor of 261? Is 10 a factor of 325? Is 6 a factor of 492?
*October 15, 2008 by Deb*

**Biology**

So I am completely confused. I am in the process of taking a quiz and the question says "a factor that seems to disappear" my options are punnet square, heredity, dominant factor, recessive factor, alleles, or genetics??? Help please? Thanks
*January 10, 2013 by lazyburrito*

**Math**

Factor Completely: I am really confused on how to start it. 12q^5w^2-36q^4w^3-120q^3w^4 Help please. :) Factor out 12q^3w^2: 12q^3w^2(q^2 - 3qw - 10w^2) Can we factor further? Yes. q^2 - 3qw - 10w^2 factors are (q - 5w)(q + 2w). We end up with this: 12q^3w^2(q - 5w)(q + 2w) ...
*January 28, 2007 by Teresa*

**Algebra**

I'm trying to solve x^3-3x^2-x+3 is less than zero. Except, I'm not sure how to factor it. I tried splitting it so that 3 would be a factor for 3x^2 and 3, so the result was 3(-x^2+1), and x^2 was a factor for x^3 and -3x^2, resulting in x^2(x+3). But this will be really hard ...
*October 14, 2009 by Devon*

**Algebra**

Factor out 8x^3y^6 + 27 One factor is 2xy^2+3. (The sum of the cube roots of the first and last terms). Use long division to compute (8x^3y^6 + 27)/(2xy^2 + 3) to get the other factor
*August 6, 2007 by Juri*

**Simplifying Rational Expressions**

1.4x12 / 4x 2.d+7 / d^2-49 3.t^2-25 / t^2+t-20 4.2x^2+6x+4 / 4x^2-12x-16 5.6-y / y^2-2y-24 1. 12 [4x] cancels out. so you're left with just 12. 2. 1/d-7 factor the d^2-49 to (d+7)(d-7). cancel out the (d+7) 3. (t-5)/(t-4) factor both numerator and denominator. so then it's: (t...
*March 11, 2007 by mike*

**Math12**

desrribe what happens to the equation of a function when you make each change to its graph a)compress horizontally by a factor of 1/4, and vertically by a factor of 1/2 b)expand horizontally by a factor of 2, then translate 3 units left
*September 21, 2008 by John*

**MATH 101**

Factor completely. Be sure to factor out the greatest common factor first if it is other than 1. (If the polynomial is prime, enter PRIME.) 56a^2+39ab-27b^2
*October 13, 2014 by Haylee*

**Pre-Calculus**

The treatment of a certain viral disease requires a combination dose of drugs D1 and D2. Each unit of D1 contains 1 milligram of factor X and 2 milligrams of factor Y, and each unit of D2 contains 2 milligrams of factor X and 3 milligrams of factor Y. If the most effective ...
*July 24, 2008 by Andrea*

**Algebra 2**

If P(x) is a polynomial in x for which P(3)=0, then..? a) x-3 is a factor of P(x) b) x+3 is a factor of P(x) c) 3x is a factor of P(x) d) x^3 is a factor of P(x)
*May 7, 2012 by Sira*

**physics**

In a hydrogen atom, if the radius of the orbit of the electron is doubled, then its energy will ... a)Decrease by a factor of 2 b)Remain the same c)Increase by a factor of 2 d)Actually, it is not possible for the radius of the orbit to double e)Increase or decrease by a ...
*April 4, 2010 by jude*

**Pre Cal**

Ooops! I wrote it wrong, here's the problem: if x varies directly as y^2, inversely as z, and inversely as the square root of w, what happens to x when y is multiplied by 3, z is doubled, and w is quadrupled? I would really appriciate it if someone could help me understand how...
*February 22, 2007 by Marie*

**math**

The graph of f (x)₌√x undergoes a vertical stretch by a factor of k, k›1.The vertically stretched graph would look the same if it had been horizontally compressed by a certain factor. Determine this factor
*June 18, 2011 by jessica*

**Chemistry**

I Have Two Questions 1)How would you calculate the number of nanometers in 8.1 cm? 2)What is the equivalent of 0.35 lb in grams? You need to learn to do deimensional analysis. It's easy. 0.35 lb to grams We know there are 453.6 g in a lb. We take the given (0.35 lb) and ...
*January 25, 2007 by Bryan*

**Math finance**

I just brought a finanical calculator and i don't really know how to use it yet. The textbook said to calculate the price of the bond: Price=Coupon x Annuity factor (r, T)+ Par Value x PV factor (r, T) I was just wondering how to punch in the annuity factor and PV factor parts...
*December 8, 2008 by Yvonne*

**chemistry**

What is an aliquot factor? It is a whole divisor. For instance 5 is an aliquot factor of 15, and 15 is an aliquot factor of 150. I'm sorry, but I don't seem to understand it. For example, how do you get the aliquot factor of 50? 2, 5, 10, 25 would be aliquot factors of 50. Any...
*July 14, 2007 by smiley*

**Physics**

In the absence of external torques, the angular momentum of a system is conserved. An artificial satellite orbiting the Earth quadruples its kinetic energy. Assuming no external torques act on the system, the radius of the orbit will ... a. Decrease by a factor of 4 b. ...
*April 4, 2010 by Sandra*

**Math**

1.3x^2+17x+10 2.5y^8-125 3.a^2-2ab-15b^2 *Please help me.You have to factor by completing. Let's look at #1: 3x^2 + 17x + 10 We have 2 and 5 as factors of the last term. What combinations can we do to arrive at the middle term? (3x + ?)(x + ?) Let's try (3x + 5)(x + 2), which ...
*February 4, 2007 by Alex*

**physics**

If Earth's mass were suddenly and magically reduced to half its present value, the Sun's gravitational force on Earth would A. be reduced by a factor of 2. B. be reduced by a factor of 4. C. increase by a factor of 2. D. remain the same. I was told it remained the same but I ...
*March 11, 2014 by anonymous*

**algebra**

How do you factor the difference of two squares? How do you factor the perfect square trinomial? How do you factor the sum and difference of two cubes? Which of these three makes the most sense to you? Explain why.
*July 2, 2013 by Anonymous*

**mat 117**

How do you factor the difference of the two squares? How do you factor the perfect square trinomial? How do you factor the same and difference of two cubes? Which of these tree makes the most sense to you?
*October 15, 2013 by Sharon*

**College Physics**

If the voltage across an ohmic resistor is quadrupled, the power expended in the resistor increases by a factor of 4. decreases by a factor of 4. increases by a factor of 16. none of the preceding
*February 6, 2010 by Lanise*

**ALGEBRA**

Can someone explain the following to me? 1.How do you factor the difference of two squares? 2.How do you factor the perfect square trinomial? 3.How do you factor the sum and difference of two cubes? I am so lost.
*February 28, 2012 by kay*

**Math**

When the quotient of two numbers is the same as the first factor, what do you know about the second factor? That the second factor will be different? idk... i forgot about that one
*November 29, 2006 by James*

**Algebra**

The first three equations I have solved, I would just appreciate someone checking them over to make sure I'm doing them right. Find the GCF: 16x^2z ,40xz^2 , 72z^3 = 3^3z Factor our GCF: a(a+1) - 3(a+1) = a+1 Factor Polynomial: 9a^2 - 64b^2 = (3a+8b)(3a-8b) 9w - w^3 = w(3) (?...
*January 22, 2009 by KB*

**algebra**

The first three equations I have solved, I would just appreciate someone checking them over to make sure I'm doing them right. Find the GCF: 16x^2z ,40xz^2 , 72z^3 = 3^3z Factor our GCF: a(a+1) - 3(a+1) = a+1 Factor Polynomial: 9a^2 - 64b^2 = (3a+8b)(3a-8b) 9w - w^3 = w(3) (?...
*January 23, 2009 by kay bri*

**PLEASE HELP ME WITH MATH! *BEGS***

Is 4a^2-a-5 factorable? If so how do you factor it? Yes it is factorable. just make a factor tree and put all of it's factors! what is the answer to 30 on a factor tree
*January 23, 2007 by Judy*

**algebra**

3ax^2 - 27a You can factor that into 3a (x^2 - 9), which also equals 3a(x-3)(x+3). It is not clear from your question what you are supposed to do with that algebraic expression. If it were equal to zero, x would be +3 or -3. If you are expected to factor, try factoring out 3a ...
*June 3, 2007 by dez*

**Greatest Common factors**

I dont know these answers. Can you help me? Greatest common factor in 1.6y^2-9y+18. 2.4x^2y-7xy 3. 30a^3b-40ab^3 4. factor out greatest common factor in 4x^2-12x+20 5. x^4y-6x^3y-6x^2y 4 and 5 are factoring out the greatest common and 1-4 is finding the greastest common factor.
*May 10, 2010 by Ales1*

**hard math**

please someone help me! i've tried so hard! factor m^6 + n^2 28x^2y^2 - 7x^4 8x^3y^3 +343z^3 thank you so much!!! For the second one: 28x^2y^2 - 7x^4 Factor out 7x^2: 7x^2(4y^2 - x^2) Now we try to factor 4y^2 - x^2, which is: (2y + x)(2y - x) We end up with this: 7x^2(2y + x...
*January 7, 2007 by leah*

**Chemistry**

An ideal gas is allowed to expand from 6.00 L to 45.0 L at constant temperature. By what factor does the volume increase? ? Number The pressure will Increase by that factor or decrease by that factor? If the initial pressure was 105 atm, what is the final pressure?
*October 16, 2012 by Bill*

**math urgent urgent urgent**

1)let f(x) be a polynomial function explian how to use the factor theorem to check if (x-c) is a factor of F(x) 2) use synthetic division to factor X^2-2x^2-9x+18 completly
*November 30, 2012 by zach w*

**math,correction**

Can someone correct these for me plz... Problem#6 Factor. x(x-5)-2(x-5) My answer is: (x-2)(x-5) Problem#7 Factor completely. x^2-x-6 My answer is: (x+2)(x-3) Problem#8 Factor completely. 35x^2+40x+5 My answer is: (7x+1)(5x+5) Problem #9 Factor by grouping. x^3-5x^2+2x-10 MY ...
*February 28, 2007 by jas20*

**Physics**

John's approval rating is an average based upon 4 categories. What is his overall weighted rating if the following is true? Category 1= 450 points weight factor 1 Category 2= 475 points weight factor 2 Category 3= 500 points weight factor 1 Category 4= 400 points weight factor 3
*January 26, 2009 by Sam*

**Biology of the environment term**

Teacher explained to us what limiting factor was but I'm not able to understand she said that a limiting factor causes increase in population but I not get how and why is called limiting factor than ? She also said how Phodphorus and nitrogen were limiting nutrients ?
*September 27, 2013 by Mohammad*

**Math grade 7**

The number 7 is a factor of 1001. explain how you know 1001 is a multiple of 7? How does knowing that 7 is a factor of 1001 help you to get another factor of 1001?
*September 10, 2012 by Help*

**math**

Which of these phrases is correct? A 9 is a multiple of 3 and a factor of 12. B 9 is a factor of 45 and a multiple of 5. C 9 is a multiple of 6 and a factor of 72. D 9 is a factor of 54 and a multiple of 3.
*April 6, 2014 by Carlotta*

**mat117/algebra**

factor each polynomial completely. to begin, state which method should be applied to the first step, given the guidelines of this section. Then continue the exercise and factor each polynomial completely. 2p - 6q + pq - 3q^2 Please help, I don't know how or where to begin. I ...
*June 27, 2007 by Diana*

**Algebra**

I have a question I hope someone can explain it to me. We are working on Demonstrate that f actoring a polynomial. I was ask Why can you factor x² - 4 but you cannot factor x² + 4? How can you tell quickly which ones you can factor and which you cannot? I am not sure what to ...
*November 11, 2008 by TOM*

**Math**

I have a question that I answered and I'm not sure that it is right. Here is my question: Use a calculator to help you write the prime factorization of 51,051. Here is my answer: If the sum of the digits of the number is divisible by 3, then 3 is a factor of the number. ...
*June 22, 2009 by B.B.*

**MATH**

How can you factor x^4 +1? If you go to the imaginary plane, it factors to (x^2 + i)(x^2-i) I need to factor by difference of squares. How can I do this?
*March 25, 2007 by Mike*

**Calc**

How do you factor -2x^2+60x-120. I got -2(x^2-30x+60) but I need to factor it further.
*December 8, 2007 by Britt*

**Algebra 1**

factor out the greatest common factor. 7x^4-49x^3+14x^2=7x^2 Is this correct
*June 30, 2008 by Brenna*

**Math**

List all of the possible rational zeros of f(x)= 3x^5 - 7x^3 + 2x - 15. p= factor of 15 q= factor of 3 1,3,5,15 1,3 answer is 1,3,5,15,1/3,1,5/3,5
*March 3, 2008 by Jon*

**12th grade Math?**

How would you factor 3x^3-4x^2+4x-1? P.S. Factor theorem does not work here.
*October 12, 2008 by BioBabe*

**alg 2**

Can someone tell me how to factor 2a^2b - 16ab + 32b Should I factor 2b out of it?
*January 7, 2009 by Chopsticks*

**college algebra**

Factor out the greatest common factor from each polynomial 9y^2 -18y + 8
*January 12, 2009 by kathy*

**algebra**

If (2x + y) is one factor of 2ax - 2bx + ay - by, what is the other factor? a) a - b b) a - y c) a + b d) a + x the answer i picked was a
*May 31, 2010 by ant*

**factoring help**

2 factor 4x -32x+48 and 2 2 2 factor (x -1)(x -4)(x -9) please and thank u verrry much is that this is due tommorow!!
*June 7, 2010 by eva*

**Math209**

I am not understanding how to factor polynomials. Example: Factor 12y^6-40y^5+28y^4
*December 3, 2010 by Lisa*

**algebra**

Factor out the greatest common factor from the expression 36x^3-30x^2
*June 19, 2011 by Elisa*

**algebra**

factor out the greatest common factor from the expression. 18x^7-14x^2
*July 25, 2011 by ROCKY*

**math**

factor out the greatest common factor -36m^2n^3-60mn^4+18m^4n^2
*July 26, 2011 by Michael*

**Algebra**

factor out the greatest common factor -36m^2n^3-60mn^4+18m^4n^2
*July 26, 2011 by Ashley*

**intermediate algebra**

factor out the greatest common factor from the expression 6x^3yz^4-3x^2y^3z^4-18^4y^2z^3
*July 26, 2011 by ROCKY*

**math**

factor out the greatest common factor -36m^2n^3-60mn^4+18m^4n^2
*July 27, 2011 by Ashley*

**algebra,math**

Factor the GCF and then factor the resulting binomial: 50x^3 - 128x
*October 19, 2011 by tracy*

**algebra**

Factor out the greatest common factor in the expression? 11y^5-55y^2
*February 29, 2012 by Brandy*

**intermediate algebra**

Factor out the greatest common factor from the expression 7x^2+56x-21
*April 18, 2012 by Lueshelle*

**Math**

synthetic division and the factor theorm indicate that x-3 is a factor of x^3-x^2-x-15.... true or false?
*July 25, 2012 by Assad*

**algebra**

please help because am missing something.thankyou factor completely given that x+2 is a factor. 2x^3 + 7x^2 - 3x - 18
*January 2, 2013 by Josie*

**Math**

If one factor of 56x^4y^3-42x^2y^6 is 14x^2y3,what is the other factor
*November 8, 2013 by Kirandeep *

**Math **

Factor 5x^2 -6x-4 I must be having an off day or something; this can factor, right!?
*December 9, 2013 by Lindsay*

**Algebra 1 Answer Evaluation **

Factor. 1. 30y^3 - 50y A: 10y(3y - 5y) 2. Factor a^2 - 5a^2 + 2a -10 by grouping. A: ?
*March 24, 2014 by Anonymous*

**MATH FACTOR POLYNOMIALS**

Factor the polynomial. Please show all work. x^2+2x-3
*April 18, 2014 by andra*

**Calculus**

How can you factor x^4 +1? I need to factor by difference of squares. How can I do this? change it to x^4 - (sqrt(-1))^2 or x^4 - i^2
*March 25, 2007 by Mike*

**mat117/algebra**

Factor completely. ax - ay + x^2 - xy please show me how to factor this problem a(x-y) + x(x-y) = (a+x)(x-y)
*July 1, 2007 by Diana*

**math**

Can someone please help me with this factoring? Thanks! Factor 3x^2-7xy+2y^2 Factor 12x^2+8x-15
*November 10, 2007 by Charlotte*

**college algebra**

factor out the greatest factor from each polynomial 15R-27
*January 12, 2009 by chris*

**algebra**

factor: 9w - w^3 = 3w(3-w^2) m^4 - n^4 = (m-n)^2(m-n)^2 are these correct? the next few I wasn't sure how to work... factor: 2h^2 - h - 3 = 0 x^2 - 36 = 0 x^3 = 4x
*January 24, 2009 by kayla*

**Functions**

use the factor theorem to determine whether x-c is a factor of f(x)=x^3+8x^2-18x+20; x-10.
*March 13, 2010 by Paris*

**math**

factor out the greatest common factor from the expression 15x^5-9x^4
*February 11, 2011 by tonya*

**Intermediate Algebra**

factor out the greatest common factor from the expression. 35^8+35^5+28^3
*June 13, 2012 by ladybug*

**Math**

Factor out the common factor: −3x^4 y^2 + 18xy^3 + 9xy^4
*September 5, 2012 by kelly*

**math**

If the area of a circle increases by a factor of 9, by what factor does its circumference increase ?
*January 11, 2014 by Thomas*

**algebra**

Factor out the greatest common factor from the expression 9a2b3 – 12a2b4 – 24a3b
*June 19, 2011 by Elisa*

**algebra**

factor out the greatest common factor from the expression 18x^5+48x^2-30x
*July 25, 2011 by ROCKY*

**Math**

By what factor should each edge of a cube be increased in order to increase its volume by a factor of 27? a.) 27 b.) 9 c.) 3 d.) 2
*April 23, 2012 by Taylor*

**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)
*January 4, 2013 by maria*

**college algebra**

x^3+4x^2-2x-3 ; x+1 factor theorum to decide whether or not second polynomial is a factor of the first.
*March 21, 2013 by Anonymous*

**math**

Factor out the greatest common factor in each question. 1. 7× + 21 2. 12n - 9 3. 10c + 30 4. 10b + 25
*March 19, 2014 by ★★ PLEASE HELP ★★*

**physics**

1. If the voltage impressed across a circuit is constant but the resistance increases by a factor of 15. By what factor does the current change? 2. If the resistance of a circuit remains constant while the voltage across the circuit decreases by a factor of 12, by what factor ...
*July 16, 2010 by confused*

**Math**

I have this worksheet, it has a bunch of different kinds of questions, but i know all the stuff we learned, i just dont know which ones i use. 1) factor each expression, 8x+10 2) Use Foil to factor each expression, x2-5x+6 3) Use foil to factor each expression, n2+n-20.
*March 3, 2008 by Emily*

**homework statistics**

Consider a random sample with sample mean x. If the sample size increased from n = 40 to n = 360, then the standard deviation of x will: a. remain the same b. increase by a factor of 9 (will be multiplied by 9) c. decrease by a factor of 9 (will be multiplied by 1/9) d. ...
*July 22, 2011 by Jackay 70*

**algebra**

factor 5x^2-x-12 please help me That does not factor into monomials with integers. It can be written as 5(x-1.6524..)(x+1.4524..) okay thankya
*May 10, 2007 by Mimi*

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