Tuesday

September 30, 2014

September 30, 2014

Number of results: 4,195

**Algebra**

1. LCM of 15x^7 and 45x^7 2. Marla can shovel the driveway in 60min and Bill can do it in 45min how long would it take them to do the job together? 3. Divide and simplify: x^2-4/x divided by x+2/x+8 4. add and simplify: 5/49z^3 + 1/35z^2 5. simplify by removing factors of 1 y^...
*November 21, 2010 by Anonymous*

**Intermediate Algebra**

I have a take home test and I'm stuck on a couple. Anyone help please? 1. Find the vertex & axis of symmetry: -5(x+4)^2-4 2. Find the vertex & axis of symmetry: y=x^2-10x+3 3. Simplify: (2i+5)(3+4i) 4. Simplify: 3(21+2i)+(4-5i) 5. Simplify: (27x^2y^3)^-3/4 6. Simplify: 5300x...
*April 4, 2008 by Krystle*

**Math To: Reiny **

This is one whole question: (12) (10xy^3) (3x^2y^2) (5x) (2y) I don't know how to do any of these: simplify sqaure root of 160000 simplify sqaure root of 0.04 simplify 3 * square root 81 simplify square root of 900 simplify square root of 0.0025 simplify [(a^2bc^4)(ab^3c^2)]^2...
*September 18, 2013 by Maya*

**algebra**

i cannot figure any of this stuff out. please help. if you can there are 15 more of these... 1. Simplify 5 + (7-1)2/6 A11 B41/6 C51/6 D7 E17/6 F23 2. Simplify (26/2 + 33)/(23) A11/3 B5 C20/3 D8 E6 F131/8 3. Simplify [7+2(5 - 9)2]/[(4+1)2 - 3(22)] A-23/2 B18/7 C-13 D9/4 E8/41 ...
*September 7, 2010 by whitney*

**algebra... help soon please**

i cannot figure any of this stuff out. please help. if you can there are 15 more of these... 1. Simplify 5 + (7-1)2/6 A11 B41/6 C51/6 D7 E17/6 F23 2. Simplify (26/2 + 33)/(23) A11/3 B5 C20/3 D8 E6 F131/8 3. Simplify [7+2(5 - 9)2]/[(4+1)2 - 3(22)] A-23/2 B18/7 C-13 D9/4 E8/41 ...
*September 8, 2010 by whitney*

**Algebra**

1. Subtract and simplify 18/y-8 - 18/8-y 2. subtract simplify if possible v-5/v - 7v-31/11v 3. Simplify by removing factors of 1 r^2-81/(r+9)^2 4. Divide and simplify v^2-16/25v+100 divided by v-4/20 5. find all rational numbers for which the rational expression is undefined...
*November 21, 2010 by Anonymous*

**Algebra**

Simplify A^6 x a^2b^-2 44,909 in scientific notation Simplify (a^2b^3)(a^5) Simplify x^-5y^-6 What is the P(H,H,H,H,T,T,T,) on 7 flips of a coin?
*May 19, 2011 by Michelle*

**Algebra 2**

1. Simplify: sqrt6(sqrt2/2+sqrt3)-sqrt8 2. Simplify: sqrt(72x^3)-5x sqrt(2x) 3. Simplify: (2sqrt6-sqrt3)^2 4. Simplify: 6/3+2sqrt3 5. Solve: 2-y=sqrt(y+4) I need all of the steps. Thanks
*May 24, 2011 by Brandon*

**Algebra 1**

Plz help me with the following problems. Simplify. 5^-1(3^-2) Simplify. mn^-4/p^0q^-2 Write a scientific notation. 0.0042 Write in standard notation. 6.12*10^3 Simplify. Write in scientific notation. 0.5(8 * 10^5) Simplify. Write in scientific notation. (9 * 10^-3)^2 Evaluate ...
*February 5, 2014 by Gabby*

**algebra 1 help**

simplifying square roots 1) find volume of this prism? v=bwh b=√12" w=√6" h=√8" 2)simplify: √576 3)simplify: √400 4)simplify: √256 5)simplify: √(1/4)
*May 3, 2013 by anonymous*

**algebra 1 help**

simplifying square roots 1) find volume of this prism? v=bwh b=√12" w=√6" h=√8" 2)simplify: √576 3)simplify: √400 4)simplify: √256 5)simplify: √(1/4) ex 2√5 + 6√5= 8√5 the answer has to be in √ but i don't ...
*May 4, 2013 by anonymous*

**Pre Calculus**

Simplify 2(3-i^14)- (5-i^23) 3-i Simplify: (5-3i)^2 16+30i Simplify (3+2i) / (4-5i) (2/41)-(23/41)i is this right?
*June 15, 2009 by James*

**algebra 2 **

1.Simplify the difference. n^2 - lOn+24 9 / n^2 - 13n + 42 7 A. n-13/n-7 <<< B. n-4/n-7 C. n-13 2.Simplify the complex fraction. y-1/y^2+y-6/y-6/y+3 A.(y-1)(y-6)/(y+3)^2(y-2) B. y-1/(y-6)(y-2) C.(y-1)(y-6)/(y+3)(y-2)<<< 3.Find the least common multiple of x...
*July 28, 2012 by Anonymous*

**Math...help**

remove the brackets and simplify questions a) 3(2a+5)+2(a+7) b) 5(b+4)+10b c) 4(2c+3)+3(c-3) d) 8+6(d-2) e) 6(5e+3)-4(2e+3) f) 5(3f+2)-(f-5) MY ANSWERS a)6a+15+2a+14 8a+29 b)5b+20+10b 15b+20 c)8c+12+3c-9 11c-3 d)8+6d-12 I need to simplify more...how? e)30e+18-8e I need to ...
*October 31, 2013 by Unknown*

**math- please help!**

Please help with these 5 problems! I have the solutions but I don't understand how to get them! 1. Perform the indicated operations and simplify: [(2/x)-1]/(x^2 -4) 2. Subtract and simplify: [12/(x^2 -4)] - [(3-x)/(x^2 + 2x)] 3. Perform the indicated operations and simplify...
*September 20, 2007 by anonymous*

**Math**

Here are the questions I need help with, please help. [(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong (3^1/2)^3 _______ I got 1/216 9 (-56r^2)divide sign (-7r^2)= I got 8r x(y)(x)(2y) (12) (10xy^3) (3x^2y^2) (5x) (2y) simplify sqaure root of 160000 simplify...
*September 18, 2013 by Maya*

**Math Ms. Sue**

Here are the questions I need help with, please help. [(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong (3^1/2)^3 _______ I got 1/216 9 (-56r^2)divide sign (-7r^2)= I got 8r x(y)(x)(2y) (12) (10xy^3) (3x^2y^2) (5x) (2y) simplify sqaure root of 160000 simplify...
*September 18, 2013 by Maya*

**Math Please Urgent **

Here are the questions I need help with, please help. [(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong (3^1/2)^3 _______ I got 1/216 9 (-56r^2)divide sign (-7r^2)= I got 8r x(y)(x)(2y) (12) (10xy^3) (3x^2y^2) (5x) (2y) simplify sqaure root of 160000 simplify...
*September 18, 2013 by Maya*

**Algebra 2 Answer Check**

Simplify. 1. 5√6 - √24 A: 3√6 2. Evaluate 3y + 5xy - x for x = 4 and y = 2 A: 42 3. Simplify 3x(5y + 4) - 2xy - 10x + 6x^2 A: 3xy + 2x + 6x^2 4. Evaluate 5^-3 A: 1/125 5. Simplify ((-2x^4y^7)/(x^5))^3. Assume all variables are nonzero. A: (2x^3)/(y^21)
*September 19, 2014 by Victoria*

**Alegbra**

Translate the phrase to mathematical language. Then simplify the expression the difference between 119 and -40 What is a numerical expression for the phrase?_________(Do not Simplify) Now simplify the expression
*July 16, 2014 by sharon*

**Simplify 2**

Simplify the equation. 〖19〗^(1/2)∙〖19〗^(1/2) I simplified it and I got 19. I used the equation that Steve did to solve the other one in Simplify. Please check, and see if I am correct. I will appreciate it.
*February 14, 2014 by Brady*

**college algebra**

1. divide and simplify x^2+x-56/x^1-1 / x-7/2x+2 2. find the product in simplest from for x^2+x-6/2x^2-x-3 * x^7-2x^6+4x^5/x^4+8x 3. perform the indicated operations and simplify: 2/3x +4/3x^2 y^4 -6/2x^4 y^5 4. perform the indicated operation and simplify x/x-1 + 2x+3/x^2-1 5...
*September 1, 2014 by ashley*

**maths**

Hi, could someone please tell me how I would go about working these out: (the answer must be in the form ab where a and b are integers and b is as small as possible.) 1) Simplify 500 2) Simplify 50 x 60 Also.. Simplify the following fractions so that there is no root ...
*February 22, 2007 by em*

**Algebra **

Can you please check my work? You have helped other students I know. Thank you:) Multiply -7(2a2 -4) = -14a2 + 28 Multiply 0.5(a + b -5) = 0.5a + 0.5b - 2.5 Factor bx - by + bz = b(x - y + z) Combine like terms (simplify) 12x + 4 - 11y - 6x - 9 - y = 6x - 12y - 5 Evaluate the ...
*November 8, 2011 by Sharon (ms. Sue)*

**Maths;Check Answers Please :P**

1. Simplify. 5^1(3^2) My answer: 1/45 3. Write in scientific notation. 0.0042 My answer: 4.2 X 10^-3 4. Write in standard notation. 6.12 10^3 my answer: 6,120 5. Simplify. Write in scientific notation. 0.5(8 10^5) My answer: 4 x 10^5 6. Simplify. Write in scientific ...
*January 17, 2014 by Electro*

**Algebra (check my answers)**

Please check these answers. Multiply -7(2a2 -4) = -14a2 + 28 Multiply 0.5(a + b -5) = 0.5a + 0.5b - 2.5 Factor bx - by + bz = b(x - y + z) Combine like terms (simplify) 12x + 4 - 11y - 6x - 9 - y = 6x - 12y - 5 Evaluate the expression 3x2y when x = 3 and y = 5 Answer: 135 ...
*November 8, 2011 by Sharon*

**Math**

6-y/y^2-2y-24=? *I don't get this one.PLease help me.... Try to factor wherever you can to simplify. (6 - y)/(y^2 - 2y - 24) y^2 - 2y - 24 factors are: (y - 6)(y + 4) Factor out -1 in the numerator: -1(y - 6) Now we can simplify this fraction: -1(y - 6)/(y - 6)(y + 4) Cancel ...
*February 9, 2007 by [C]razy Baby.-[iloveyou] (Margie)*

**Math**

I have to simplify 3y^2-12y/9y^3, I just can't seem to figure out how to simplify the 9y^3.
*August 29, 2007 by Keema*

**math**

Can someone help me with this problem? multiply and simplify 4 1/5 x 10/21 x 9/20. I know after you simplify 4 1/5 it will be 21/5. What is the next step.
*November 14, 2007 by Anonymous*

**math**

Simplify the expression 6x x 2x^3 x 3x^2y^2/3x^3 x x^4y. I'm confused. The only thing I did was simplify 3x^2y^2/3x^3 to x^1y^2. I need help with the problem.
*February 2, 2008 by mark*

**Calc. Help**

Simplify. #1. 5(2-i) - 3(4+3i) ..my work: 10-5i-12-9i -2-14i Do you leave this as the answer or can you simplify it further? #2. (2-i√2)
*August 26, 2010 by Hayden*

**Algebra II/Trig**

Simplify: 1/5(-5a^2b^3)^2(abc)^4 How do you simplify this. How does the "-5" play a role in this? how would you get 1/5 of "-5"
*July 31, 2008 by Davmat*

**Intermediate Algebra Simplify**

1/a + 1/c / a^2 - c^2 / ac I am kinda lost on this one. I have to simplify. any help?
*February 11, 2009 by Jennifer*

**pre algebra**

simplify: -5w(2w^2-w-9) I dont know how to simplify this and combine like terms
*June 9, 2009 by Kim*

**algebra 1A**

HELP ME.simplify{[4(z-4)+18]-[3(2z-2)+4]} 6{[4(z-4)+18]-[3(2z-2)+4]} simplify your answer. can someone help me please I have no clue. thank you
*September 17, 2009 by Lea*

**Math 116A**

Simplify 8[56-(-86-32)]= Would thid be 1392 is that what is ment by simplify?
*September 26, 2011 by Katie*

**Math-simplify**

Can someone help me simplify this (2x/15)^2 / (.15-x/15)(.2-x/15) I end up getting this, 4x^2/x^2-17x+.003
*February 24, 2014 by mae*

**Quick math help**

please help me solve these problems! Thank you! 1. Simplify: (3p^5)(5p^2)+(7p^3)(2p^4) 2. Simplify: (6x^2-2xy+3y^2)-(4x^2-xy-y^2)
*March 20, 2014 by Anonymous*

**Algebra-Please help**

I'm really stuck on these problems- Simplify 6xy(3xy)^-2? Simplify 12xyz^-2/8x^-2z Thank you
*October 18, 2010 by Jessie*

**Math**

Simplify. (5x2 + 3x - 7) - (x2 - 7x + 4) Simplify. (5x^2 + 3x - 7) - (x^2 - 7x + 4) distribute - sign to get -x^2 +7x -4 put on top of one another and add 5x^2 + 3x - 7 -x^2 + 7x - 4 ------------- 4x^2 +10x -11
*December 16, 2006 by Lily*

**Algebra**

Simplify by removing the factor of 1 y^2-7y+6/ y^2+8y-9 I need to LCD? y^2 Then I divide the denominator into the numerator? Then I simplify?
*January 22, 2008 by Marysvoice*

**algebra**

how do i simplify the following: 2x^2 +13x +15 over 4x+6 . I simplified 4x+6 to 2(2+3), but I can't remember how to simplify the top part. Please help
*March 25, 2010 by Anonymous*

**Algebra II**

Simplify: d/d^2-9 + 5/2d+6 I got as far as d/(d+3)(d-3) + 5/2(d+3) but do not know how to further simplify. Thanks for any help given.
*March 2, 2008 by Lucy*

**Math - Simplify**

Is it possible to simplify (6x^5)(lnx) + x^5 into x^5(6lnx + 1)??
*January 25, 2009 by Anonymous*

**math**

simplify the expression (4+7)x3 write the steps used to simplify.
*March 23, 2010 by Kristyn*

**Math**

Simplify each expression (-216)^1/3 My answer is 1/6. Am I correct. (x^4y)^1/3 (xy^4)^2/3 I do not know how to simplify this.
*September 6, 2010 by Hannah*

**Math**

Multiply and Simplify: (a^x-a^(-x))^3 =(a^x-a^(-x))(a^x-a^(-x))(a^x-a^(-x)) =(a^x-a^(-x))(a^2x-a^0-a^0+a^(-2x)) =(a^x-a^(-x))(a^2x-2+a^(-2x)) =a^3x-2a^x+a^(-x)-a^x+2a^(-x)-a^(-3x) =a^3x-3a^x+3a^(-x)-a^(-3x) =??? Can you simplify down any further? please and thank you
*March 12, 2012 by Anonymous*

**Algebra 2**

1. What is the slope of the line perpendicular to y-6=-2x-4? 2. Simplify 8 ^1/3. In case that doesn't make sense the problem is simplify 8 to the 1/3 exponent. 3. Solve -5<2x-7<8
*January 16, 2008 by Christian*

**Algebra**

1. solve 3-w/6-w = 3/w-6 2. Find the LCM of (8+9z), (64-81z^2), and (8-9z) 3. Multiply and simplify: 7z^8/10r^2 * 100r^4/49z 4. Add and simplify 2/v + 3/v^2 5. t/5-5t=0
*November 19, 2010 by Anonymous*

**Simplify Practice.**

Write the difference 30 (12) as a sum, then simplify. Evaluate the following expression. Show all steps. 18 + 6m for m = 2
*September 27, 2014 by Anonymous*

**algebra**

Simplify 1/9^-4 One divided by 9^-4 Directions say to simplify answer and type an integer or a fraction. Is 6561 correct?
*February 7, 2008 by becky*

**math**

simplify 10p4 A. 210 B. 360 C. 5,040 D. 151,200 simplify 9c4 A. 126 B. 15,120 C. 5 D. 3,024
*May 7, 2014 by help please*

**math**

How do you simplify this? 1/{(x/y)+1} multipy numerator and denominator by y. y (1)/y(x/y +1) then simplify y/1+x?
*May 8, 2007 by Drew*

**calculus **

I have been asked to solve this two different ways. The first way is to use the chain rule and then simplify (which I have already done properly), and the second way is to simplify and then differentiate (not necessarily with the chain rule). I am stuck on how to simplify this...
*March 5, 2011 by Nicole *

**pre algebra**

simplify: I dont understand on how to answer this and simplify it. (dt4)(3d-6) Can someone please write out the steps on how to solve it.
*June 9, 2009 by Kim*

**Algebra**

When simplifying algebraic fractions, do you simplify things attached by addition/subtraction? EX. 4d-1 _____ 6d Would you be able to further simplify it to: 2d-1 ________ 3d
*May 19, 2008 by Zerina*

**Simplify (Another Question/problem) 3**

Simplify. (27a^(-6) )^(-2/3) I got 1/(9a^4 )as my answer, but can someone again please check this. I will appreciate it. I am just unsure if it is correct or not.
*February 14, 2014 by Brady*

**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...
*December 9, 2013 by Selena *

**simplify**

how do i simplify 10x^2y/-5x^4y Do you notice the y in both numerator and denominator? That means you can cancel them out You can also subtract exponents for the x terms and divide 10 by 5. See what you get and let us know.
*July 8, 2007 by mike*

**pre-algebra**

simplify- 3+2+7=7+2+3 4(2+1)=4(2)+4(1) (2+3)+6=2+(3+6) Huh? Simplify... 3+2+7=12 4(2+1)=12 (2+3)+6=11
*March 7, 2007 by debbie*

**Algebra**

Multiply and simplify completely 1. (x-2y)^3 Simplify 2. 2(-3x^3 y^2)^3
*October 22, 2007 by Bongo*

**Math**

Simplify 5x-10/x^2-4x+4 Please help me simplify, I am at a loss. Thanks!
*April 23, 2010 by Giselle*

**simplify**

simplify by removeing the factors of 1 7z-49/7z is the answer -7?
*October 27, 2011 by Abby*

**Math simplify**

How Do I simplify this? a) 4√-27a^3b
*May 19, 2013 by Kat*

**Algebra**

Simplify 1/r=1/x+1/y Multiply both sides by rxy. Then simplify. I will be happy to check your work. That is as compact and simple as the relationship can be written. Are you looking for an explicit formula for x, y or r?
*August 2, 2007 by Scott*

**algebra**

1)Simplify:(6x^3-16x^2+11x-5)/(3x-2) answer= 2x^2-4x+1-3over3x-2 2)Factor 27x^3-1 completley. answer= (3x-1)^3 if this isnt correct,im not sure how to solve it b/c this makes the most sense to me. 3)Simplify: x^2-3x-28 over x^2-9x+14,assume that the denominator is not equal to...
*August 2, 2007 by erin*

**algebra**

can someone explain how I would simplify (3a4 - 2a2 + 5a - 10)(2a4 + 4a2 + 5a - 2)? can anyone help? The #'s that come directly after a letter is the exponent. I just need help understanding how to simplify problems like this...
*February 13, 2012 by katelynn*

**algebra**

How do you simplify [2/(x+4)]+2 ----------- [3/(x+4)]+1 I know the answer is 2(x+5)/(x+7), but I have little idea how to get there! Please help?! multiply your fraction by (x+4)/(x+4) you end up with [2 + 2(x+4)]/[3 + (x+4)] simplify and you will get your answer. oooooooh thanks!
*May 9, 2007 by Lydia*

**math 12**

i know how to do the majority of these type of questions, but i dont know how to simplify this one all the way.. 8(2x-1)^3= 125 i know you could go (2x-1)^3= 125/8 (2x-1)^3= (5/2)^3 but how can i simplify any further, and yes there is an answer.
*January 31, 2008 by Anonymous*

**math**

1)Can z+6/z+1 be reduced any further? 2)Add and simplify v/v^2+8v+16 + 4/v^2+7v+12 3)For this second binomial do you change the the sign of the second term? Subtract and simplify 1-y/y-2 - 9y-8/2-y 4)Solve 4/5+1/2=1/x 5)8/x=9/x-1/2 Thanks!
*May 31, 2010 by jose*

**Intermediate Algebra Simplify**

Simplify: this is a triple decker fraction 1/a + 1/c divided by a^2 - c^2 divided by ac I am stuck on this one please help.
*February 12, 2009 by Jennifer*

**Algebra**

I have to simplify this: (x^(1/2) * z^(-4/5)^4 My work: x^2/z^(16/5) Correct? Simplify (3+5SQRT2)(4+SQRT10) I have no idea how to foil this one.
*October 8, 2009 by Dan*

**Alg**

I have to simplify this: (y^(1/4)*Z^4)^(-4/5) My answer: (2z)^(1/2)/4z^4 Correct? Simplify (3-2SQRT2)(SQRT6-5) I have no idea how to foil this one.
*October 9, 2009 by Dan*

**College Math II**

Rationalize the denominator and simplify. sqrt(6)/4srqrt(3) + sqrt(2) = I cannot figure out how to do this and simplify. Can someone help me. Thanks.
*November 21, 2009 by Lori*

**rational expressions**

1)Can z+6/z+1 be reduced any further? 2)Add and simplify (v/v^2+8v+16) + (4/v^2+7v+12) 3)For this second binomial do you change the the sign of the second term? Subtract and simplify (1-y/y-2) - (9y-8/2-y) 4)Solve (4/5)+(1/2)=(1/x) 5)(8/x)=(9/x)-(1/2)
*May 31, 2010 by jose*

**algebra**

simplify: 6sqrt7-sqrt7 A. 6 sqrt7 B. 5 sqrt 7 C. 5 D. 6 Simplify: 2sqrt12+ sqrt3 A.5sqrt3 B. 3sqrt3 C. 2sqrt15 D. 3sqrt15 Need help on these please
*April 2, 2014 by ciara *

**math**

how to graph y=3/4x. what angle does y=9/7x+2 make with the x axis? simplify 2/squarerootof5. simplify square root of 10 times 6. simplify squareroot48 You should not expect somebody just to do your homework for you. for y=(3/4)x isn't the y-intercept zero? so the origin is ...
*May 2, 2007 by jordan*

**Simplify exponents**

How do you simplify this equation: (x^a+b)^a-b / (x^a-2b) ^ a+2b
*November 1, 2010 by Ali*

**MATH URGENT!!!!!!!!!**

SIMPLIFY: s^2+4s-4 SIMPLIFY: x^2-4x-3
*April 12, 2011 by lily*

**Math 30 pure**

simplify: (x+y)^10 simplify: (2a+5)^5
*December 20, 2011 by peter*

**algebra**

can you simplify Simplify 5m - 13n - n + 4m
*February 16, 2012 by sierra*

**Algebra 1A**

SIMPLIFY: 9-6*11-17= DIVIDE IF POSSIBLE 3-/23/(1/-23SELECT THE CORRECT CHOICE BELOW AND FILL IN ANY ANSWER BOX A. 3/-23/(1/-23) SIMPLIFY WITH AN INTEGER OR FRACTION B. THE ANSWER IS UNDEFINED.
*September 27, 2009 by Terri*

**Math**

Simplify: f(x)=sqrt (16-x^4)/ sinx This is to evaluate a limit, but I don't know if I can simplify the above equation. Because I tried to get rid of the radical in the numerator but I ended up with a radical in the denominator. >< Help
*August 14, 2010 by Neee*

**Math please help**

Simplify & write the answer using positive exponents: 1. (3^3)(3^-6) 2. S^2 t^-1 / (s^4 t^4)^1/2 Simplify then evaluate, express answer to 4 decimal places where nessasssary : 3. [(2/3)^2]^-3 4. [(1-4)^-3 Divide (1/4)^2]^-2
*September 23, 2014 by Kali*

**math **

simplify: -8+c+(-10) simplify: -12-w+20 simplify: -3(2y-9)+y
*September 12, 2011 by emily*

**math**

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to and different from adding polynomial expressions? Provide a radical expression for your classmates to simplify. In your own words, explain the first ...
*October 11, 2010 by Abigail*

**Math**

I have solved the following and I am writing just their answers with it, please let me know if these are correct. thanks 1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify y= (e^x - 1) / x^2 answer: (xe^x - 2e^x +2) / x^3
*March 25, 2012 by casey*

**Algebra**

Simplify radical terms, including fraction power expressions. Review the expression below and describe how to simplify the expression: 16 1/2 Please help, I just do not know how to explain this.
*September 25, 2013 by Tricia*

**Algebra 2 **

1. Simplify ((-2x^4y^7)/(x^5))^3. Assume all variables are nonzero. A: (-8y^21)/(x^3) 2. Simplify 3x(5y + 4) - 2xy - 10x + 6x^2 A: 13xy + 2x + 6x^2 or 6x^2 + 13xy + 2x 3. Evaluate (2.0 x 10^-7)/(8.0 x 10^-9). Write the answer in scientific notation. A: 0.25 x 10^2 4. Evlauate ...
*September 19, 2014 by Victoria*

**Math**

Simplify 4/5th root of 64a to the 3rd power This does not simplify well. (64a)^(12/5) sorry cant help you
*October 9, 2006 by Amber*

**Algebra 1 Answer Evaluation (Reiny)**

Evaluate each expression for the given value(s) of the variable(s). 1. t^6 for t = 2 A: 1/64 2. r^0s^-2 for r = 8 and s = 10 A: 1/100? Simplify. 3. x^4/x^-6 A: 1/x^4y^6? Or x^4y^6? 4. a^-3/b^-2 A: 1/a^3b^2? Or a^3b^2? 5. The lead in a mechanical pencil has a diameter of 0.5 mn...
*January 31, 2014 by Anonymous*

**Math SCREAMING for HELP**

Use the quadratic formula to slove the equation. x^2-x=-7 This is what I have got so far and I do not think this is right: x=1(-1)√-1^2-4(1)(7)/2(1) x=1√1-4(7)/2 x=1√-21/2 x=1-21/2 and here I am lost! Use rational exponents to simplify. √(5&x^10 ) ...
*September 24, 2010 by Sabrina*

**math**

One card is selected at random from an ordinary set of 52 cards. Find the probability of each of the following events: d. A jack is not drawn would the answer be:48/52 since you subtract 4 from 52 for the four jacks and simplify to get 12/13 or do you say 4/52 and simplify to ...
*April 20, 2010 by crystal*

**ALGEBRA**

SIMPLIFY: 5 ROOT OF 6X +4 ROOT OF 6X IS THE ROOT OF 77 IRRATIONAL OR RATIONAL? SIMPLIFY: 8 + ROOT OF 24 DIVIDED BY 2 IS THE ROOT OF 49/100 RATIONAL OR IRRATIONAL AND IS THE ROOT OF 121 RATIONAL OR IRRATONAL? SIMPLIFY: ROOT OF 3X/2 THANKS IN ADVANCE!!!I AM FLUNKING THIS MATH ...
*June 10, 2007 by Tomika*

**algebra**

simplify and show all work 11+12^2-(-11)*12 is this right11+144-(-11)*12 155-(-11)*12 144*12 1,928 simplify -(8m)-(-7m+2) 15m-2 according to order of operation what should be done first when evaluating this expression do not solve [10-(-2+1)]-9
*September 3, 2011 by babygirl*

**Calculus AP **

i wanna KNOW IF im DOING RIGHT. Evaluate the difference quotient for the given function. Simplify your answer. f(x)=x+3/x+1, [f(x)-f(1)]/(x-1) simplify my answer: [(x+3)/(x+1) - (1+3)/(1+1)]/(x-1) = [x+3/x+1 - 4/2] / (x-1) = [2(x+3)-4(x+1)/2(x+1)] / (x-1) = [2x+6-4x-4/2(x+1...
*June 4, 2012 by jackie*

**algebra**

I am supposed to write each logarithmic expression as a single logarithm. I have logbase3of13 + logbase3of3 and my answer is logbase3of39. Can I simplify that any further? also logbase3 of 3 is 1 1+ log3 13 is another answer, simpler, to me. oh, okay, so it would make more ...
*April 12, 2007 by Gloria*

**Math- please help!!!**

please help me solve these problems! Thank you! 1. Simplify: (3p^5)(5p^2)+(7p^3)(2p^4) 2. Simplify: (6x^2-2xy+3y^2)-(4x^2-xy-y^2)
*March 20, 2014 by Anonymous*

**math,correction**

Can someone help me with these...plz Simplify 2radical (12) + 4 radical (27) if i simplify radical (12) i get 2radical (3) then if i simplify radical (27) i get 3radical (3). so now i don't know if i'm doing this correctly or how to set it up... 2 sqrt 12 + 4 sqrt 27 4 sqrt 3...
*March 29, 2007 by jasmine20*

**math probability**

One card is selected at random from an ordinary set of 52 cards. Find the probability of each of the following events: d. A jack is not drawn would the answer be:48/52 since you subtract 4 from 52 for the four jacks and simplify to get 12/13 or do you say 4/52 and simplify to ...
*April 20, 2010 by crystal*

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