Monday

June 27, 2016
Number of results: 37,212

**I am really struggling on this problem - geometry**

Please help guys if you can, this is a really hard problem I am trying to solve Four circles of unit radius are drawn with centers (1,0),(0,1) ,(-1,0) ,(0,-1) and . A circle with radius 2 is drawn with the origin as its center. What is the area of all points which are ...
*December 5, 2012 by Knights*

**trig(really struggling with this problem)**

expand (x + y)^5
*November 10, 2008 by jerson*

**RE**

i am really struggling with my re homework and i would really appreciate any help any one can give me. i have 5 questions i need to answer ive managed to answer 4 of them but iam struggling with this one:- What points do Christians make about miracles.? thankyou so much
*June 19, 2009 by Elsie*

**Algebra 2**

I really need help understanding ho to solve combination functions here is a specific problem I am struggling with. Let f(x) = x - 2 and g(x) = x^2 - 7x - 9. Find f(g(-1)).
*January 21, 2015 by failing *

**geometry **

proportions i'm struggling on this problem x over x+8= x- 5 over x could someone please help me solve the solution
*January 5, 2010 by Anonymous*

**math**

Can someone help me plwease with this problem????? I need to find an equation for the given pair of points and express my answer in x=a,y=b, or y=mx+b form. Please explain it simply as I am really struggling with this. (-1,-1) and (6,6). Thank you so much for your help!!!!!
*September 1, 2010 by barb*

**algebra**

really struggling with this problem admission to a baseball game is $2.00 for general admission and $5.50 for reserved seats. The receipts were $3408.00 for 1025 paid admissions. How many of each ticket were sold?
*March 21, 2010 by jerson*

**Math**

Im really struggling with these proving identities problems can somebody please show me how to do these? I'm only aloud to manipulate one side of the equation and it has to equal the other side of the equation at the end Problem 1. tanx-cotx = (cscx/cosx)-(2cosx/sinx) Problem ...
*November 1, 2012 by Alycia*

**College Math**

I am really struggling with this Fibonacci number problem. If the greates common factor of "m" and "n" is "r", then the greatest common factor of Fm and Fn is Fr. Show that this is true for m=6 and n=9. I am so confused
*October 2, 2011 by Matthew*

**math**

I'm really struggling with this word problem, please help. Alex is selling tomatoes. last week he bought some at $20 for 50 tomatoes and sold them (except for 30 rotten ones) at 120c each to make $84 profit. how many tomatoes did he buy?
*June 8, 2016 by Andrea*

**Math**

Im really struggling with these proving identities problems can somebody please show me how to do these? I'm only aloud to manipulate one side of the equation and it has to equal the other side of the equation at the end Problem 1. Sinx/(cotx+1) + cosx/(tanx+1) = 1/(sinx+cosx...
*November 1, 2012 by Alycia*

**calculus**

Find the surface area of the part of the sphere x^2+y^2+z^2=a^2 inside the circular cylinder x^2+y^2=ay (r=a*sin(θ) in polar coordinates), with a>0. First time posting on this website, sorry for the lack of details on my attempts but I am really not sure where to start...
*March 10, 2014 by Johnnie*

**Math 8R - Help!**

Sara went to the park and saw that there were a total of 15 bicycles and tricycles. If the total number of wheels was 39, how many tricycles were there? bi = 2 wheels tri = 3 wheels Please help me, I'm really struggling with this problem
*September 9, 2012 by Laruen *

**Math 8R - Help!**

Sara went to the park and saw that there were a total of 15 bicycles and tricycles. If the total number of wheels was 39, how many tricycles were there? bi = 2 wheels tri = 3 wheels Please help me, I'm really struggling with this problem
*September 9, 2012 by Laruen *

**algebra1**

(w-9)*(w-4) im really struggling ppl plz help
*November 30, 2010 by josh*

**Calculus**

I am sorry. I am really struggling with limits. I am not sure of an answer for this problem either: Show an example that the limit as x goes to a f(x) goes to [f(x)+g(x)] may exist even though neither the limit as x goes to a f(x) approaches f(x) or g(x) exist.
*September 18, 2010 by John*

**Geometry**

Can someone please walk me through this? I am really struggling with these type of problems and don't know what to do. Given: Line PS is perpendicular to line SQ, line RQ is perpendicular to line QS, line PQ is congruent to line RS Prove: Triangle PSQ is congruent to triangle RQS
*November 30, 2015 by Blair*

**Geo**

Hi I need some major help on surface area and volume. Do you think you can provide some examples for me to solve out? I don't get any of the formulas or how to get the correct answers. I'm struggling in Geometry this year I'm in K12 (homeschooled) and I have a D in Geometry. ...
*March 18, 2016 by Aaden Caldwell*

**Math**

Im really struggling with these proving identities problems can somebody please show me how to do these? I'm only aloud to manipulate one side of the equation and it has to equal the other side of the equation at the end Problem 1. (1-tanx) = (cosx-sinx)/cosx Problem 2. (secx+...
*November 1, 2012 by Alycia*

**math**

ok im struggling in math becuase my math teacher isnt really explianing things really good my mom tried 2 swich me to a different teacher but they dont let me wat do i do?
*February 21, 2010 by joclyn*

**Math,Geometry**

What are the equations of the lines through (-5,-3) and passing at distance 2sqrt5 from (5,7) Please I really need your help. I do not know how to do this problem.
*January 7, 2013 by Lance*

**Math,Geometry**

What are the equations of the lines through (-5,-3) and passing at distance 2sqrt5 from (5,7) Please I really need your help. I do not know how to do this problem.
*January 7, 2013 by Lance*

**geometry**

Find the bisectors of the interior angles of the triangle whose sides are the line 7x+y-7=0, x+y+1=0 and x+7y-4=0. Please I really need help. I do not know how to do this problem
*January 7, 2013 by vaughn*

**Geometry**

Complete Problem #28 in Section 1.5 Exercises (Chapter 1) of Essentials of Geometry for College Students. Use the table below to show your work and solve the problem. You may add or delete rows as necessary. Statements Reasons PQ=RS Given PS=PQ+RS Segment Addition Postulate PR...
*October 4, 2012 by Angie*

**Trig-Geometry - Law of sines and cosines**

Hello everyone, I've been struggling on this problem for quite some time. It would be appreciated if you could help. Thanks. (The website is the diagram, it is a screenshot) In the diagram below, triangle ABC has been reflected over its median AM to produce triangle AB'C'. If ...
*November 24, 2013 by Sam*

**Science**

What are the types of position-time graphs? I really do not know the types. I have a problem that has a part that wants me to tell which graph the problem uses. Also, they didn't really talk about the types of graphs in the lesson. Please help, and will really appreciate it.:)
*February 25, 2014 by Brady*

**Geometry**

Complete Problem 34 in Section 5.2 Exercises (Ch. 5) of Essentials of Geometry for College Students. Use the table below to show your work and solve the problem. You may add or delete rows as necessary.
*July 6, 2015 by Ice *

**Religous studies**

I have to write my statement of belief in the form of a poem, i am 10 and i'm not really sure what i believe in and am struggling with this. Any ideas? Thanks
*September 17, 2009 by Lewis*

**Ksp/Ka Questions-Chem**

I really don't understand how to set this up. Any help is really appreciated! I really don't quite understand how to set up a caluculation to figure out whether a precipitate will form and i'm struggling with the second half too! When 25.75 mL of 0.00826 M lead II nitrate is ...
*April 8, 2008 by Sigurd*

**Calc Help**

demand = (p+1)sqroot(q+1)=1000. Find elasticity of demand at a price of $39 per unit. I am really struggling with this problem is there anyone that can help me? i am not familiar with the terminology, but if you are trying to solve for p, it is not that hard (p+1)√(p+1...
*April 29, 2007 by Rob*

**Struggling readers.**

Hi, I am working with a group of children and my goal is to assist them in improving their reading. The children are between the ages of 7 and 8 and they are struggling in reading and fluency. I did a few phonogram lessons, as well as some reading and writing lessons; however...
*October 13, 2008 by Martha*

**ICD-9-CM**

Can you please help me code this correctly. Cataract due to type I diabetes. The question calls for two codes. I am really struggling with this course. Thank you.
*December 1, 2011 by Terry Davis*

**math 210 fundamentals of geometry**

Complete Problem 31 in Section 5.2 Exercises (Ch. 5) of Essentials of Geometry for College Students. Use the table below to show your work and solve the problem. You may add or delete rows as necessary.
*December 4, 2015 by barbara*

**Math**

Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form that is parallel to the following two points: (-1,4) and(1,5)
*November 24, 2013 by Hannah*

**Chemistry II**

I cannot balance this equation and I am really struggling. Cr2O7^2-(aq)+ Cu^+(s)-->Cr^3+(aq)+Cu^2+(aq) How do I get the charges to balance?
*April 27, 2010 by Carl*

**Quantum Physics**

Has anyone done Block 7-8 for TMA 6 for s103 - discovering Science, as i am struggling big time, any help would be much appreciated yes i am like you really phased by this how much of the tma have you managed to do Me, too what r u stuck on? I have been doing really well but ...
*February 27, 2007 by Adam*

**algebra**

I've tried this problem like 7 times and still struggling: f(x)=9x^3+2x^2-5x+4 and g(x)=5x^3-7x+4 so what is f(x)-g(x)? My answer was 4x^3+2x^2+2x...... is this correct? If not please help.
*February 27, 2016 by ninaaaa*

**Geometry - 8th grade**

Well, I am trying to get geometry polygons and angles, but it's really hard to understand what to do. I'm not one to exaggerate and say I'm dying, but I'm pretty desperate for some help. If someone could explain the basics in simple terms or even post a helpful link I would ...
*January 16, 2014 by Larkin*

**geometry **

In a triangle ABC, angle B is 3 times angle A and angle C is 8 degrees less than 6 times angle A. The the size of the angles. Size of angle A is = Size of angle B is = Size of angle C is = can someone please help me with this..? I am very weak at geometry...and math in general...
*September 26, 2009 by Anonymous*

**English**

I am extremely struggling in IB junior English. How can I survive that class. I put a lot effort too, but the teacher is grading on what we really know.
*April 13, 2013 by Anonymous*

**Social Studies**

I'm really struggling with questions about Joan of Arc! I have a worksheet to answer about the 1999 film Joan of Arc, but I have no clue what I'm doing because I was absent the whole first half of the movie. I tried to research info about Joan, but got nothing that really ...
*March 1, 2010 by Kerry*

**Liberalism in the 19th Century**

Why has liberalism been considered the "ideology of the bourgeoisie" or middle class? I am really struggling with this question... can you please help?
*March 15, 2009 by Sam*

**Maths**

which amount up to £1 cannot be paid exactly with fewer than 6 coins? is this a trick question and can all the amounts be paid?! I am really struggling with this one
*October 10, 2009 by Joe*

**Geometry**

Need help please: (3,0) (7,6) (x-7)2 + (y-6)2 = 7(2) (x-7)2 + (y-6)2 = 49 Having difficulty with this problem.Can someone help? geometry - Reiny, Saturday, March 31, 2012 at 8:07am You don't say what the actual problem is. I see the resemblance to finding the equation of a ...
*March 31, 2012 by Kel*

**Geometry**

Need help please: (3,0) (7,6) (x-7)2 + (y-6)2 = 7(2) (x-7)2 + (y-6)2 = 49 Having difficulty with this problem.Can someone help? geometry - Reiny, Saturday, March 31, 2012 at 8:07am You don't say what the actual problem is. I see the resemblance to finding the equation of a ...
*March 31, 2012 by Kel*

**Math**

Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form with a y-intercept of 1 and is parallel to the given line
*November 24, 2013 by Hannah*

**Math **

I've been really struggling with this question, could someone please walk me through it. x+y=0.4276 (so, y=0.4276-x) x/23.947+y/56.105=0.01034 Solve for x.
*April 18, 2016 by Anonymous*

**Chemistry --really need help!**

I am really struggling with these problems!! A reaction mixture that consisted of 0.20 mol N2 and 0.20 mol H2 was introduced into a 25.0 L reactor and heated. At equilibrium, 5.0% of the nitrogen gas has reacted. What is the value of the equilibrium constant Kc for the ...
*February 19, 2010 by Angelica*

**calculus**

is y = x^3 a solution to the differential equation xy'-3y=0?? how do i go about solving this??? also, is there a trick to understanding differential equations? i'm really struggling with this idea, but i'm too embarassed to ask my professor for help.
*December 1, 2008 by Kenneth*

**english**

I am really struggling to write and example of figurative language device, emphasis. How would I do this? I have one written for repetition, but I am not sure how to do emphasis.
*July 4, 2011 by lizzie*

**College Math**

I have been struggling with this problem I cannot get the right answer. Please give me the steps to solve this problem. Let f(x)= (2x-9)(x^2 + 6) (A) Find the equation of the line tangent to the graph of f(x) at x=3 (B) Find the values(s) of x where the tangent line is ...
*June 19, 2010 by Ronnie*

**Geometry**

Find hte possiable measures for line segmant xy in triangle xyz if xz is 6 and yz is six. Im really confused- if you could explain this i would really appericate it! Thanks!
*November 10, 2009 by Rain*

**Chemistry**

HELP! we just started kinetics and i have no clue how to solve this problem. For the reaction between reactants A and B below, if 4.925 moles of A is placed into a flask with excess B it is found that the amount of A remaining after 6.85 seconds is 2.737 moles. 2A (g) + B (g...
*February 20, 2008 by Jonathan*

**altitude triangle inequality**

hi guys ive be struggling on this problem for a couple of days, so please help if you can Problem:Two altitudes of a triangle have lengths 12 and 14. What is the longest possible length of the third altitude, if it is a positive integer? Thanks in advance and merry christmas: ...
*December 31, 2012 by Knights*

**triangle inequality - altitudes help plz**

hi guys ive be struggling on this problem for a couple of days, so please help if you can Problem:Two altitudes of a triangle have lengths 12 and 14. What is the longest possible length of the third altitude, if it is a positive integer? Thanks in advance and merry christmas: ...
*January 1, 2013 by Knights*

**Math(Geometry)**

In my geometry book I am really stumped on these question.This is what it says to do, "Find a pattern for each sequence. Use the pattern to show the next two terms."And here are th questions I am stuck on with the #'s. 7.O,T,T,F,F,S,S,E,... 8.J,F,M,A,M,... 13.George,John,...
*August 22, 2007 by LizardGuy*

**modern geometry**

Construct the locus of all points (in one half plane) from which the given segment (that you draw) is seen by: a. 120 degrees b. 105 degree I've tried following steps in my textbook but I'm struggling.
*October 12, 2015 by haley*

**Kinetics**

I'm really struggling to understand this chapter in chem class, partly due to an inadequate math background. does anyone have any tips for learning kinetics? i'm starting to fall behind.
*February 25, 2008 by Gabe*

**Math- Geometry Proofs**

What are some ways to prove that a triange is isoscles? i have to make a two column proof based on a problem. What is the exact problem I need help with my geometry homework. We are doing proofs and i need some help because proofs are really hard!! def. isosceles -or- if two ...
*November 21, 2006 by Jenny*

**Math PLEASE HELP!**

I am really struggling with these questions. Any help is appreciated. Approximate x to three decimal places. log x = 3.5829 log x = 0.6703 log x = −1.5959
*April 22, 2013 by Eric*

**algebra**

-5x + 5y=25 -10x+5y=10 Graph the linear equation by writing both equations in the slope intercept form... I'm really struggling with this questions.. i have to fill in y=___x+_____ y=____x+_____
*March 17, 2010 by jerson*

**math**

I'm struggling with this problem and can't find a good example in my book of how to solve. solve for y y-1/x-0=-3 thanks in advance
*May 24, 2010 by Jarzine*

**math**

The Gilbert's re designing a rectangular patio. The patio has an area of 432 square feet. The width of the patio is 3/4 of its length. What is the length of the patio? I really tried it but my teacher was not getting really in dept with this problem. Please help me. Ii have no...
*March 12, 2015 by Leena*

**Math 8R - HELP! **

Simplifying Algebraic Expression Using the Distributive Property & Combining Like Terms Solve: 4 (g +7) = 64 4g + 4(4) = 64 4g + 16 = 64 I'm getting a bit confused and struggling a lot in this problem. Please help me!
*October 15, 2012 by Laruen*

**English**

Is there a difference between an ELL learner and a struggling reader? I say that to a certain degee there is a difference because an ELL students and a struggling reader. In a sense they both must understand the concept of another language. What is your opinion?
*February 24, 2010 by B.B.*

**Calculus**

Sorry, I need more help! I am reallly struggling with Euler's method, and here's a problem I need help on: y'=2y + sin(x), y(0)=0, dx=0.1, the interval is 0 to 1, and f(x)= [e^(2x)-2sin(x)-cos(x)]/5
*December 18, 2006 by Raine*

**math...help please!**

ok i REALLY am stumped. please help! it is a sequence problem here is the problem.... 120,60,30 __, __, __. if you could give me the rule for this problem and the next 3 numbers that would be so great!!!!!!
*September 18, 2007 by Rebekka*

**Biological Psychology**

What is a good site for a simple explanation on chromosomes, meiosis, mitosis, etc as it relates to biological psychology? I have a college level test to study for, and I am really struggling with the complicated text in the book.
*February 26, 2011 by Maria*

**Geometry**

Find d in the the simplest radical form. Right square pyramid with equilateral triangular faces. The base and sides are 8 and d is in the middle of the pyramid with a dotted line down the middle. I am just really confused on the formula to use for this problem. I would ...
*June 23, 2011 by Paige*

**Fine Art**

Compare Willem de Kooning's "Woman VI" and Edgar Degas' "The Glass of Absinthe". Use the critique method to compare the styles and style matter. Every bit of help will be appreciated! I'm really bad at this stuff and I've been struggling with it for a while.
*February 11, 2014 by Kylee*

**Chemistry**

I am really struggling with this equation question...can someone please help me??? Use the following equation to answer the question... 4Fe(s)+3O2(g)---> 2Fe2O3(g) Heat = -1700kJ How many grams of rust form when 453kJ of energy is released?
*September 1, 2009 by Jessie*

**Geometry :)**

Use coordinate geometry to prove that the quadrilateral formed by connecting the midpoints of a kite is a rectangle. I have no Idea how to do this problem, so if anyone could help I would be very greatfull. :)
*January 15, 2013 by Bob*

**Chemistry - please help!**

How do you do the simplified structural formula and full structural formula of ester? I'm really struggling,please help! e.g.methyl ethanoate/propyl methanoate
*May 7, 2008 by Anonymous*

**Google Search**

Dear all, If you do not understand a science, math, writing, grammar, history, etc. problem, you can easily find the explanation of the concept you are struggling in on the internet or Google.
*November 19, 2012 by mathtaculator*

**Geology**

Hi, I am doing a geology course and I am really struggling with the topography graph. Currently, I am doing a test/quiz that involves me finding out what the contour interval is,the elevations of lines, and so on. I have tried looking back over the information but it is ...
*July 18, 2014 by Caroline*

**Math**

Hello, I can not solve problem from analytical geometry. If you can help me to find out what is wrong in my procedure and show me a better one I would be really gratefull. There are given 3 points A(2,2,3), B (6,3,0), C(3,-1,-1). On the x ax-axis lies point X, find coordinates...
*February 14, 2015 by Viktória*

**geometry, thanks**

I just wanted to thank everyone that helped me on my geometry problem. I actually found the answer using the pythagorean theorem and knowing ratio rules that apply to triangles. Thanks again.
*July 13, 2006 by Kaytee*

**Physics**

I have really been struggling with this one and have come up with a wide variety of answers. Any help would be great: If the radius of a planet is larger than that of Earth by a factor of 8.25, how much bigger is the surface area of the planet than Earth’s?
*September 8, 2013 by Taylor*

**Physics**

I have really been struggling with this one and have come up with a wide variety of answers. Any help would be great: If the radius of a planet is larger than that of Earth by a factor of 8.25, how much bigger is the surface area of the planet than Earth’s?
*September 8, 2013 by Taylor*

**Calculus AB**

Solve the differential equation: dy/dx= (x^2+y^2)/(2xy) I know how to solve this type of problem, but I am struggling getting all of the x's and y's on different sides of the equation. Thank you for your help.
*February 28, 2011 by Jake*

**chemistry**

Hello! I am struggling a bit with this problem A gas sample occupies 51.6 L at a pressure of 0.841 atm and 39.6 ºC. What is the amount of gas (mol) in this sample?
*April 3, 2015 by Samantha*

**Calc, Implicit Differentiation**

1) Let x^3 + y^3 = 28. Find y"(x) at the point (3, 1). y"(3)= The correct answer is: -2*3*28 = -168 3x^2 + 3y^2(dx/dy) = 0 6x + 6y(dx/dy) = 0 dx/dy = -6(3)/6(1) = -3 That's as far as i get... i don't even know if that's started right... You have x^3 + + y^3 = 28 3x^2 + 3y^2(dy...
*October 21, 2006 by Michael*

**Calculus**

I'm struggling some with the us of trigonomic properties. The problem is integral sin(2x)sec(x) dx and I dont understand how sin(2x)sec(x) simplifies into 2sin(x).
*November 4, 2013 by Marissa*

**8th Grade Electives Advice**

Hi, I'm really struggling with my decision about two electives that I really like. One is Journalism and the other is Creative Photography. If anyone knows or has experience can you please tell me the pros and cons about these two electives please? Also, I only have a few days...
*May 16, 2016 by Anonymous*

**re**

what evidence is there that jesus existed? is it because in the bible it tells you about when jesus was born and thats why we celebrate christmas day.easter day and also all the things jesus did for people. heal the sick , feed the 5,000 and the other miracles he performed? i ...
*October 4, 2008 by will*

**geometry**

i need help with this geometry prblem my math book is online on this site: w w w . k e y m a t h . com / D G 3 the class passcode is: 1574-4c524 The chapter is 0 Lesson 0.2 pg. 9 problem number 6 REMEMBER 4-FOLD SYMMENTRY IS NEEDED !!! URGENT !!!
*September 19, 2010 by vaishnavi*

**geometry**

i need help with this geometry prblem my math book is online on this site: w w w . k e y m a t h . com / D G 3 the class passcode is: 1574-4c524 The chapter is 0 Lesson 0.2 pg. 9 problem number 6 REMEMBER 4-FOLD SYMMENTRY IS NEEDED !!! URGENT !!!
*September 19, 2010 by vaishnavi*

**French - SraJMcGin/Frenchy **

Avez-vous un(e) peinture favorite? English: [No I don't have a favourite painter. I like all the different kinds of styles that artists use in their paintings. Some appeal to me, and some do not, but there are many artists out there, which I really like.] Non, Je n'ai pas un ...
*April 1, 2011 by Karley*

**science**

2. Describe the two most important events in the history of animal life that occurred at the beginning and at the end of the Paleozoic era. List and briefly outline the six different periods into which the Paleozoic era is divided. so i cannot find it in my notes, and im ...
*December 19, 2013 by vanessa*

**Writing**

Writeacher, I need you to tutor me on writing essays. It is really important in college and as a high schooler it is extremely important to be solid at writing. I am struggling and need tutoring. What will the first lesson be? Thank you for your help and support. Have a great ...
*August 2, 2013 by Anonymous*

**Math 8R - HELP! (homework qs. check)**

Simplifying Algebraic Expression Using the Distributive Property & Combining Like Terms Simplify: -3 (2+3x) + x - 5 -3(2) + -3 (3x) + x - 5 Answer - 6 + -3(3x) + x - 5 Is the answer is correct??? I'm getting a bit confused and struggling a lot in this problem. Please help me!
*October 15, 2012 by Laruen*

**Math**

Hey! So, I've been working on this problem for awhile but I'm currently a bit dumbfounded on how to solve it. I think this question has been answered before but I still don't quite understand how it works or how to explain it. The problem is as follows: |z|^2 -2(complex ...
*June 20, 2016 by Z*

**Maths**

Hi I am really sorry I now people have already attempted to help me with this one already, however I am still not able to understand, I really have not done a lot of these equations and am struggling. I have put a little more information down this time, any help is much ...
*February 17, 2011 by Claire*

**Math**

Given that f(x) = 2sinx - cosx - Write f(x) in the form Asin(x+a) - Find the maximum value of 2sinx - cosx - Find the lowest positive value of p such that f(x) = f(x + p) Thankyou. All help is appreciated. I'm really struggling on this assignment.
*February 28, 2008 by sqleung*

**Finacial Accounting.**

I am really struggling with this question and my accounting book is no help at all. A company has $4500 in net sales, $3200 in gross profit, $1300 in ending inventory, and $1800 in beginning inventory. What is the cost of goods sold? Im not looking for the answer, just a ...
*June 29, 2014 by Veronica*

**derivative **

41) Find the derivative. h(x)= (3x^2 + 1)^3 / (x^2 - 1)^4 This is where I am at the moment.... h'(x)= (x^2-1)^4 (3)(3x^2+1)^2(6x) - (3x^2+1)^3(4)(x^2-1)^3(2x) This is what I am trying to get....(not final answer) =2x(x^2-1)^3(3x^2+1)^2[(9)(x^2-1) - (4)(3x^2+1)} Am really ...
*June 11, 2011 by Steff*

**PHYSICS**

There's a bar with length of 6.49m and mass of 5.45kg leaning against a frictionless wall. It makes an angle of 66.08 deg with the ground. A block with mass of 44.98 kg hangs from bar at distance d up from point of contact between bar and floor. The frictional force (us=.371) ...
*October 24, 2007 by Alie*

**geometry**

,i nid ur help so badly right n0w, i cant solve this problem what is the size of the bed in square cm if the length is 2 m and the width is 1.3 m?, u dont mind if u can rush answer this problem,
*August 21, 2011 by roxannesaguirre*

**English**

What does it mean when he says don't use any physical examples just expand on the main concept. Also how is Greed related to "war as a social disease" and how is empathy related. We need to explain the main concept with no examples. I'm struggling and I really do appreciate ...
*February 3, 2009 by Michele*

**Algebra**

I need some help with this question I really don't understand it and some help going through this problem would be really appreciated :) Use the fact that a/b/c/d=a/b / c/d to simplify each rational expression. State any restrictions on the variables. x^2-1/x^2-9 / x^2+3x-4/x^...
*February 27, 2015 by Veronica*