Friday

February 27, 2015

February 27, 2015

Number of results: 101,977

**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**

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*

**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*

**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*

**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*

**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*

**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*

**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**

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*

**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*

**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*

**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*

**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 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*

**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*

**math thanks for your help**

let f(x)=-4x+7. find and simplify f(n) f(n)=_____ simplify your answer
*October 30, 2014 by Ernie*

**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*

**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'm studying to take a math placement exam and it has been a long time since I've taken a math class. Can someone please give me a step to step solution of these: A.Simplify: 8x/[2^(x-1)] Answer = 2^(2x+1) B.Simplify: (2^x)*[4^(x-1)] Answer = 2^(3x-2)
*December 25, 2012 by Lulu*

**Math**

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

**Math simplify**

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

**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,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 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*

**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*

**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*

**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**

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*

**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*

**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*

**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*

**math **

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

**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*

**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*

**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*

**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*

**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*

**Math- Completely confused! **

Simplify each expression (where possible) and write the answer without using negative or fractional exponents. Assume that X>0. a. 8x^(1/3) b. (-8x)^(1/3) c. (8x)^(-1/3) d. (3x^(3/4))(16x)^(1/4) e. (x^(1/2)) / (x^(5/2) so far my answers are : a.2x b. -2x c.1/2x but i feel ...
*August 21, 2010 by Jackie*

**math**

I have solved the following questions, let me know if they are correct, thanks. 1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer: 4(3x^3 - e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^...
*March 24, 2012 by help*

**Math Pre-Algebra **

Simplify the Expression(-8/15)+(1/15). Show how to simplify in steps, using a property of operations for each step. Explain the property you use in each step. Can you help me please?
*November 20, 2014 by Lisa Aul*

**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*

**math-check**

I have solved the following questions, let me know if they are correct, thanks. 1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer: 4(3x^3 - e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^...
*March 24, 2012 by help*

**math**

0.3 divided by 0.06 simplify the expression 2: 4+3 time 3-5 simplify the expression 3: a jogger on a treadmill is jogging at 5 miles per hour. which of the following is the time it will take him to jog 1 mile
*January 24, 2013 by sadrac*

**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*

**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*

**math,simplifying**

can someone help me if possible simplifying this fraction more (2(x-5))/((x+3)(x-3)(x+1)) It wont simplify any more. okay thank you i just tjought that the bottom i could still simplify it by foiling the first two them multiplying with the last
*March 4, 2007 by jas20*

**math**

application of the laws of exponent. show different ways of simplifying each of the following expression. answer the question that follow. 1. 2^5 * 2^4 2. x^4 * x^7 3. (3^2)^3 4. (m^4)^5 5. (5^3 * 2^2)^2 1. how did you simplify each expression above? 2. what do you think would...
*September 9, 2011 by diana*

**math,correction**

Problem #1 Simplify by combining like terms. x(18) -3(8x^2) My answer: -3x(2) Problem #2 Simplify each radical expression. ((3) + 5)((3) - 3) My answer: -12 see my previous post, don't understand your symbol sorry they are radicals
*March 24, 2007 by jas20*

**Math 221**

How can I explain how I got the answer. I received the help, but no explanation to how the answer was simplified. 1=1(-7) +b b = 8 In other words, you need to explain what you did to simplify 1=1(-7) + b. This is also true for the perpendicular equation process. 2=2(4) +b ...
*July 26, 2014 by Karen *

**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*

**Math**

Janice wants to know the total number of games won by the Denver Nuggets basketball team over the three seasons shown in the table. What expression should she simplify? Explain how she can use mental math and the properties (Associative, Commutative, Distributive, or Identity)...
*October 16, 2012 by Bobby*

**Math -- not "can someone simplify this for me:10x-20 / x-2 "**

Repeated questions don't get you help faster. Please post only once. Thanks. can someone simplify this for me:10x-20 / x-2 first factor x-2 out of the numerator to get (x-2)10 -------- (x-2) Now cancel the (x-2) to get you answer of 10
*May 23, 2007 by Writeacher*

**math**

Needing help with these problems lost, subtract. simplify if possible 3/x-9 - 3/ 9-x, divide and simpliify 6/t divide 18/t, add. simplify is possible 5/z-8 + 12/(z-18)^2
*May 23, 2009 by shelly*

**Math**

3[x + 2 (x + 1)^2 - 4x] What would you do first to simplify? What would you do second to simplify?
*December 6, 2010 by Dillard*

**Math (Algebra)**

The width of a rectangle is fixed at 7cm. Determine (in terms of an inequality) those lenghts for which the area will be less than 161cm squared. The length must be less than ? cm. (simplify your answer) The solution is {L l L < ? cm.} (simplify your answer)
*September 24, 2009 by Lola*

**Math**

1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer: 4(3x^3 - e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^x - 1) / x^2 answer: (xe^x - 2e^x +2) / x^3
*March 24, 2012 by Samantha*

**Math**

1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer: 4(3x^3 - e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^x - 1) / x^2 answer: (xe^x - 2e^x +2) / x^3
*March 25, 2012 by Help-please check*

**Algebra **

1. Find the degree of the monomial 6p^3 q^2. A) 2 B) 3**** C) 5 D) 6 2. Simplify (7t^2+9)+(6t^2+8) A) t^2 +1 B) 13t^2+17 C) 13t^4+ 17**** D) 42t^2+72 3. Simplify 3n(4n^2 + 5n) A) 12n^3 + 15 n^2***** B) 7n^2+8n C) 12n^2 +15n D) 12n^2 +8n 4. Factor 18s-63 A) 9(2s+7) B) 6(3s-11) ...
*February 12, 2015 by Olaf *

**math**

translate the phrase into a mathematical expression and then evaluate it. sixtten squared divided by four cubed. The given expression in symbols is? (do not simplify. type exponential notation with positive exponents.) Evaluated, the expression is equal to? (simplify your answer)
*June 23, 2013 by henry*

**math,correction**

Directions are: Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. (18 + sqrt567)/(9) this is what i got: (41.811761799581315314514541782753)/(9)=4.6457513110645905905016157536393 Your answer is silly. I have about ...
*February 3, 2007 by jasmine20*

**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*

**math**

how can you simplify this?? log10(10^.5) log10 as in log base 10 By definition: Log_10[10^(x)] = x ok, but it is 10 to the 1/2 power, not x how would you simplify it then? That's then the special case of x = 1/2: If for all x: Log_10[10^x] = x, then for x = 1/2 this implies: ...
*July 14, 2007 by david*

**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**

52x^3-x18xy^2 simplify as much as possible (5+42)(3+410)multiple and simplify as much as possible
*March 14, 2013 by the last two*

**math**

Evaluate the function f(x)=-3x+9 at the indicated values. a). f(2)=_____ simplify your answer b).f(-2)=_____ simplify your answer
*October 31, 2014 by Ernie*

**math--simplify**

Simplify -9[-15-(45-12)]=
*March 27, 2010 by KiKi*

**math: simplify**

simplify: x^-7 x^4 5x^-4 x^4 7x^0 y^-3
*February 8, 2012 by crystal*

**math**

How to simplify (2m+3)+(1m) and how to simplify [2(x+1)(x+2)+3(x+2)(x+3)]
*August 31, 2014 by wa*

**math 8**

5. 8^3 * 8^7 (simplify) 11. ((5/8))^3 (simplify) 12. ((-2/9)^3)^5 16. 3^2 * 3^x = 3^12
*September 7, 2014 by anonymous*

**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*

**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 **

can you check if i did these 3 problems right or not: -5 (a+2) i got: -3 simplify: 5 (x+2) i got: 3 simplify: (y-3) (-4) i got: 12
*September 24, 2012 by marko *

**math**

application of the laws of exponent show different ways of simplifying each of the following expression. answer the question that follow. 1. 2^5 * 2^4 2. x^4 * x^7 3. (3^2)^3 4. (m^4)^5 5. (5^3 * 2^2)^2 6. (a^4 * b^2)^5 7. (3x^5)^3 8. 7^4/7^2 9. x^5/x^8 10. 12m^9/4m^5 11. (3/4...
*September 8, 2011 by diana*

**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(Please help)**

Simplify each expression. Assume all variables are positive. 1) 3 sqrt2 - 8 sqrt128 I think you subtract the 3 from the 8 but I do not know what else to do. 2) Simplify expression. Answer should have only positive exponents. (8x^3 y^-1/2)^2/15 Do I multiply the exponents?
*September 6, 2010 by Hannah*

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