Friday

August 28, 2015
Number of results: 126,180

**math**

the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz
*May 30, 2012 by parul*

**math**

the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz
*May 30, 2012 by PLZ HELP ME NOW...*

**Math ....urgent help**

i just dont get this elimination method ..... plz help me plz.....teach me how to keep the x and y in a parallel line. and which number to multiply.....plz help -5x-4y=-11 10x=-6-y help me plz......
*January 7, 2009 by vero*

**LIVING ENVIRONMENT**

the ability to grow in size is a characteristic of living organism .Although an icicle may grow in size over time,it is considered nonliving because there is 1)an incerase in matter ,but no increase in the number of icicle. 2)an interaction between the icicle and the ...
*February 12, 2013 by tania sharmin*

**Physics Help me Someone plz**

If a galaxy is traveling away from us at 2.0% of the speed of light, roughly how far away is it? t= light years I got 2.4x10^8 light years but its wrong please help me out...thank you Physics Plz help me - Anon, Monday, May 6, 2013 at 9:17pm 5.98x10^6 Thatz still wrong Physics...
*May 7, 2013 by Leila*

**I NEED HELP!!:(!!!! HELP ME PLZ!!**

I GOT A FEW QUESTIONS SO what is a cell part that has the funcion of a gel-like material inside cells... and what releases energy into the cell.?? plz plz plz plz HELP!!!
*October 20, 2009 by i really need help!!*

**Physics**

A rocket in a fireworks display explodes high in the air. The sound spreads out uniformly in all directions. The intensity of the sound is 2.89 x 10-6 W/m2 at a distance of 127 m from the explosion. Find the distance (in m) from the source at which the intensity is 1.56 x 10-6...
*December 5, 2006 by Jena*

**biology**

a boy inherits genes for tallness,but his growth is limited as a result of poor nitrition. this is an example of 1)an inherited disorder. 2)environmental influence on gene expression . 3)expression of a hidden trait 4)a characterstic controlled by more than one pair of genes. ...
*February 8, 2013 by tania sharmin*

**Math help plz**

Dresser is 3 3/4 feet from 8 foot ceiling .what height of dresser in feet . Plz answer the question , I try to do my mind is hurting could not figure out. My answer is 4. 75 ...I don't know if I m wrong or right.
*November 24, 2011 by Anonymous*

**Tips Plz**

Can you plz tell me some studying tips for math. How can i study math? is not like the other subject that i can just read through and memorize it. Math is hard to study because i know know how to study math when i have a upcoming test. Plz give me tips on how to study math and...
*December 16, 2014 by Laura ♥*

**sociology**

hi people actually i need 2 do a project on sociology for 20 marks n i cant decide which on a topic ca u all plz help n v also need 2 have a survey or 30-40 interviews plz plz plz plz help its urgent It would really help us teachers if you would write in standard English so we...
*August 13, 2007 by aditi*

**math**

A water balloon is shot into the air so that its height h, in metres, after t seconds is h = —4.9t^2 + 27t + 2.4 a)How high is the balloon after 1 s? b)For how long is the balloon more than 30 m high? c)What is the maximum height reached by the balloon? d)When will the balloon...
*January 23, 2009 by gagan*

**pscychology**

Could someone pretty plz plz plz help me...What are the 2 biggest parts of the human brain??
*March 11, 2009 by Logan:)*

**Math~Polynomials**

1)6g+8k-9g+2k(1point) 3g+10k -3g+10k*** 17gk 10k-3 2)-4x+6x^2+5x(1point) 7x^3*** 6x^2+9x 6x^2-9x 6x^2+x 3)a^2+5a-3a^2(1point) 5a+2a^2 -2a^2+5a*** -3a^2+6a 5a-3a^2 4)3x^2+8x+7x(1point) 3x^2+15x*** 18x^3 3x^2+1 3x^2-x 5)Find the degree of -5w-4w^2+7w+16(1point) -5 16 14*** 3 Plz...
*May 13, 2013 by Gabby*

**SCIENCE!!--ANONYMOUS PLEASE ANSWER MY QUESTION!**

plz answer the question we were talking about plz plz. Go back to the problem. I got 184 but the worksheet answer says 136 which is correct?? plz help!! thx
*September 13, 2010 by Happy Face*

**physics!! plz answer me!**

A 0.15 kg baseball moving at +26 m/s is slowed to a stop by a catcher who exerts a constant force of -390 N. How long does it take this force to stop the ball? How far does the ball travel before stopping? plz plz plz help!!
*December 10, 2007 by julia*

**maths**

plz i cerious need help i posted dis qustion bt due 2 my wrong typing it was nt anser plz here it is:x^4+3x-2/(x^2+1)=Ax+B/(x^2+1)+Cx+D/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+(Hx+1)/(x-4)^2.find ABCDEFGH? plz it a partial fraction thank yo u and Godbless u
*July 29, 2015 by anthony*

**I NEED HELLLLPPPPP!!!!**

Ive been looking all over and i cant find out if there is such thing as a carbon dioxide deficiency in hemoglobin (red blood cells)...i know theres an oxygen one called anemia but i really need one for carbon dioxide as a waste from the body....plz plz plz plz help me!! See ...
*April 22, 2007 by said so*

**science...plz help**

What happens to the circulatory system when the red blood cells malfunction? and is there a disease with hemoglobin not taking carbon dioxide out of the body correctly or fast enough....plz plz help me..i really need this http://members.aol.com/profchm/saba.html
*April 22, 2007 by g*

**Please help me out I can't figure out how to do th**

Graph this equation: x=-3 PLZ show the steps of how you got it.
*December 13, 2012 by David*

**math **

in the given figure,QRSis a straight angle.If a=2c,c=2b,b=d/3,what is the value of d?plz help me plz
*February 14, 2013 by tania sharmin*

**Math plz help **

Which rational number is equivalent to 3.90 with the .90 repeating? A. 3/90 B. 39/10 C. 35/9 D. 43/11 EXPLAIN PLZ
*April 12, 2015 by Kimbo*

**gatsby ENGLISH HELP PLZZ!!**

what role does dan cody play in gatsby's development?? plz help the answer is 1 mark for my quiz but my teacher gave me only 1/2 a mark because i wrote "dan cody was the man who gatsby was with after he left home. gatsby worked for dan cody and that is where he made his wealth...
*November 3, 2010 by Sabrina*

**Math**

Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.
*January 13, 2013 by Abhishek*

**Math**

Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.
*January 13, 2013 by Abhishek*

**Math**

Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.
*January 13, 2013 by Abhishek*

**math need help plz**

1/3+(-5/6)+(-1/2) can u help me solve this plz by using steps. thank u
*August 24, 2009 by scooby91320002*

**chem**

stilll didnt get it .. .. can u plz explain in detail ... how did u get the answer.. plz plz plz plz plzp l zp thnks Bond enthalpy is the energy required to break a mole of a certain type of bond. O=O = 495 kj/mol S-F = 327 kj/mol S=O = 523 kj/mol Use average bond enthalpies ...
*November 12, 2008 by DR BOOBB Plz HELP*

**MATH PLZ HELP**

well i'm stumped. i can't figure out how to solve this. solve for (x,y): 3/x + 2/y = 0 5/x - 1/y = 13 i can't graph it, and i can't use a calculator. i keep getting stuck on the second equation b/c i get 5y -13xy -x=0 and since 13 is a prime number i cant figure out what to do...
*September 21, 2011 by cody*

**math**

plz explain how to figure out decimals and round off numbers. what is the formula?
*September 23, 2008 by avie*

**physics**

A bullet with a mass of 5.00* 10^ -3 kg is loaded into a gun. The loaded gun has a mass of .52 kg. The bullet is fired, causing the empty gun to recoil at a speed of 2.1 m/s. What is the speed of the bullet? ok i worked it out and get 218.4 but that answer does not appear in ...
*December 21, 2007 by michelle- plz help me!!*

**math **

Ms.plz i have school tomorrow plz.its my H.W.
*February 14, 2013 by tania sharmin*

**Ms.Sue (ONLY)**

can you plz help me in science? PLZ HELP ME! YOU HELP ALL THE TIME! *begs* plz help! i am my knees!!!!! (really i am!) its called "science 8th grade"
*March 7, 2012 by sammie doodles :-)*

**grade 10 history**

I have a SUPER HUGE project due called National History day and need lots of help with it, plz plz plz help!!!!!
*January 20, 2013 by Macy*

**Plz,plz help!**

Can you help me write: real-world scenario in which you would write an inequality rather than an equation? Plz, I really need help! :D
*January 21, 2014 by Princess Anna*

**MATH MID TERM TOMM PPL PLZ HELP**

how do u draw an asymtote ? diff btwn set and interval notation? and example plz
*April 15, 2010 by forki*

**math**

Who has finished the workshhet called "why should you look out for a pig that knows karate"? I need hrlp plz!!! Thanks
*September 10, 2012 by abcdefg*

**Math**

F(x)=x^2-2x-3 plz help me slove this ? HELP ME I DO NOT UNDERSTAND THIS HELP ME PLZ
*April 26, 2014 by DYLAN*

**isu-math11-HELP DUE TOMM PLZ**

okay ia m working on a isu and i am trying to figure out the sin regression of points and i am getting a singular matrix error? any idea guys:? i am have been trying for the past 3 days and nothing its due tomm plz help
*April 5, 2010 by just wondering*

**Science! Plz help!**

I can't figure this out. The questions are 1. A 25 letter word for a endoplasmic reticulum connected to the ribosomes. 2. 14 letter word for packaging of materials inside the cell. 3. 11 letter word for sinle- celled organism that can live on it's own 4. a 15 letter word for ...
*September 8, 2008 by Ariana*

**Physics plz **

Do any teacher here have an email plz becouse I want to send some pictures for question ,,, physics plz or how can I attach picture here ????
*June 12, 2013 by Maryam*

**Math PLZ help gtg to bed i need right NOW!!**

What is the answer to 10 5/12 divided by 1 3/5???????? plz help me i have to go to bed like in 1 min. thanx
*October 30, 2008 by Emily*

**Math**

Least to greatest Plz help me ....o.o101-0.100-0.110-0.0011 Plz help me to find a least to greTesT.
*October 20, 2011 by Hiba*

**math**

Tim wants his mean (average) quiz score in history class to be 90. His first 3 quiz scores were 86, 92, and 94. What score should he make on the 4th quiz in order to have a mean (average) quiz score of exactly 90? I really need the answer ! PLZ PLZ PLZ ! cant figure it outtt...
*June 2, 2012 by felicia*

**math plz**

Write the following as a number: three billion, fifty three thousand, twenty one dollars. (plz answer this)
*February 7, 2010 by suvi*

**Math**

On the six tests in her social studies course, Jerelyn's score were 92, 78, 86, 92, 95, and 91. Determine the median and the mode of her scores. If Jerelyn took a seventh test and raised the mean of her scores exactly 1 point, what was her score on the seventh test? .......I ...
*September 13, 2008 by JAsmine*

**Math **

I tried them all ready I need help Create an equvilant expression using the fewest number of terms 2.5-4x+7+6x 4. 2(x-14)+ 3(3x+5) I can't figure it out can u show me how u get the answer plz and thank u
*August 26, 2014 by Rian *

**Physics Plz help me**

If a galaxy is traveling away from us at 2.0% of the speed of light, roughly how far away is it? t= light years I got 2.4x10^8 light years but its wrong please help me out...thank you Physics Plz help me - Anon, Monday, May 6, 2013 at 9:17pm 5.98x10^6 Thatz still wrong
*May 7, 2013 by Leila*

**chemistry**

Which is a structural isomer of CH3CH2COOH that exhibits geometric isomerism? 1. CH3COOCH3 2. CH3CH(OH)CHO 3. CH3COCH2OH 4. HOCH=CHOCH3 5. CH3CH2COOCH3 im just confused oh how to approach the question :S i drew them all out but still cannot figure it out plz help :(
*January 19, 2010 by nigel s*

**math help!**

(2-√2)/(3+√2) can you plz tell me how to solve it? plz hurry up
*January 25, 2013 by Riana*

**Social Studues=) help me plz**

What are longhouses made out of?
*January 24, 2008 by Usher*

**bio check plz plz plz**

in human (2n=46) mitosis result 2 cell with 23 chromoses and meosis result in (n=23) 4 cell with 46 chromoses... is this statment true ? please help me ....
*November 28, 2011 by hiba*

**maths**

how wod i solve the following two eqautions? either exactly or to 3 significant a)2^x = 5 b)3^x+1 = 7 i know a) is 2.32 and b) is 0.771 but i dont know how to show it out step by step in how i worked it out . can sum1 plz help me You have to use logs, and learn how to do that ...
*August 14, 2007 by k*

**english**

can u edit this and add a little more plz like 2-3 lines plz in easy words, it is from the book we are all welcome here by elizabeth berg: Historically the work is significant because it gives us an insight of the horrors of the civil war, which asserted the rights of the ...
*January 11, 2010 by sana*

**Math plz................help plz....**

the exact average of a set of six test scores is 92. five of these scores are 90 98 96 94 and 85. what is the other test score?
*September 11, 2008 by Pari*

**Urgent Chem help plz**

is answer +103 KJ.. plz chk Plz explain in detail.... i tried to search on internet but i am confused with co-efficents.. how to set up the equaiton .. plz help me ??? Bond enthalpy is the energy required to break a mole of a certain type of bond. O=O = 495 kj/mol S-F = 327 kj...
*November 12, 2008 by Sarah*

**antoyms**

i cant figure them out in my head its hard plz help mee
*November 18, 2009 by julie*

**Math**

-14+26-37-45+56-67-71. ___? i dont know how to solve this so plz tell me this with solution. -12-(-24)+(-36) my answer is 0 but its wrong i cant understand tell me this with solution plz. Thanks
*October 9, 2009 by purplemath*

**Math**

Plz Help!!! List three different ways to write 5 (with an exponents of 11) as the product of two powers. explain why all three of you expressions are equal to 5 with an exponent of 11… so far i just know that when your dealing with multiplying a power you add. any suggestion ...
*May 25, 2015 by Andrew *

**chem**

What is the pH of a 0.36 M HCl solution? can someone help plz? I don't know how to go about figuring this out.
*August 24, 2007 by Gulzaman*

**maths**

If y=x+tanx then prove that cos^2x(y2)-2y+2x=0 where y2 is the second derivative...plz help me out.
*December 24, 2012 by abhi*

**Geometry Question plz help**

Could someone please explain how to figure this out step by step. I'll give you one of my problems and I'll try to figure out the rest. Directions: For each situation find the value of x and the measure of the indicated segment. 1. UY=4x-3, YV=x; UV
*August 24, 2009 by Chrissy*

**social plz...................help me plz.........**

Name the 6 seas of the " Fertile Crescent" / Middle East?
*September 16, 2008 by Kaity*

**Science**

idont understand anything about the big idea of energy plz plz Help
*November 24, 2008 by Jammee*

**local and state gov.**

someone plz i really need help plz i cant find it in my text so someone plz!!! For a democracy right??? search google: branches of Government Click Bens Guide to Government for kids (1st or 2nd link) Then when you get there select your grade level in the ballon... This shows ...
*November 12, 2006 by Cole*

**chemistry**

Help for problem 16 germanium graph. help me out plz..what to write in those boxes.
*June 2, 2013 by Anonyms*

**maths**

plz can someone show me how to work out this #exact value of 6/(0.0003)is
*January 23, 2014 by krissy*

**socail.....plz help**

what are the major battles of the persian warsin greece. For each battle include the victor. and the dates......plz help
*October 15, 2008 by Anonymous*

**geogrophy**

Plz define the Gadani beach in paragraph minimum 100 words plz i got marks.
*April 12, 2009 by Raghad*

**US HISTORY PLZ ANSWER MY QUESTION**

name 1 person that was influential to delaware when it was first founded. plz n thnx!
*September 20, 2009 by kayla*

**physics(URGENT!!!!!)**

EDXers!!! Plz help with MITx 8.01x I don't know how to solve HW8 Problem 3 Question c) Can anybody help me???? Explain Plz
*November 20, 2013 by Anonimus*

**math-10th grade( quadractics)**

the centre point of a circle is 5,3. the top most point of the circle is the vertex. the radius of the circle is 5 and one of the zeroes is 9. figure out the vertex. tehn figure out the equation and convert it in standard form? p.s-plz exaplain step to step process or detailed...
*March 30, 2009 by Redspider*

**Math**

how would you factor 4x-x^2-3/ x-1...so that x-1 would cancel out? could you explain step by step..plz
*February 8, 2008 by Andrea*

**geometry**

a cylinder water tower is three-fourths full of water.the tower is 24 feet tall and has a diameter of 28 feet.how much water is in the tower now? CAN SOMEONE PLZ PLZ PLZ HELP ME
*February 24, 2010 by yuku*

**help plz**

some1 help wit my current post plz;)
*April 2, 2010 by catherine*

**Math**

Flying into the wind, a plane takes 8 h to travel 5432 km from Paris to Montreal. The same plane flying with the wind from Montreal to Paris takes only 7 h. Find the speed of the plane and the speed of the wind. Can you plz answer this sir I really would appriciete it. Plz can...
*January 22, 2009 by gagan*

**Algebra 2**

6x=9y-21. 6y=4x+14 plz help...I can't figure out how to do this problem using linear equations with two variables
*September 11, 2011 by Matt*

**Science**

I need to observe and identify variables and I'm in 6th grade!!! Help, this work is killing me....It's scenario 1-4 and I have Mr Jones plz help plz
*August 31, 2012 by Destiny*

**math**

y varies inversely as x square.The difference in the values of y when x=1 and x=2is.find the relation between x and y.(plz help me,am not sure abt the answer,i got y=20/x square..plz..help me) What is the difference in the values of y when x=1 and x=2?
*July 4, 2007 by mahima*

**MATH**

I need help on this question plz The mean of Five numbers is 28. Two of the numbers are the same. If three of the numbers are 20,25, and 35,what are the other two numbers? plz write back asap thanks
*March 22, 2011 by ST*

**socail.......urgnt plz.........**

can anyone tell me any one place of the ancient greece.....and what were its movements?? and what comes under human - envorinment interaction??? plz........help
*October 14, 2008 by Anonymous*

**the big idea of energy KS3**

what is the big idea of energy? To A. Einstein, it was that Energy and Mass are equivalent, and that the sum total of both, with a factor called entropy, is constant in the universe. what is the big idea of energy i need help on finding out what the big idea of energy is? ...
*October 22, 2006 by blue babe*

**corporation**

plz help how can i find out if a company cannot change the constitution can the campany take share from Directors
*May 4, 2007 by sarah*

**plz help me out** math**

find a number such that 14 less than three times the number is 25. i think u subtact 14-3n=25 14-3n=25 won't get it. That gives a negative number. Try 3n-14=25. Solve for n. Im in algebra the answer is 14-3n=25.Promise me always get these problems right.
*November 6, 2006 by valerie**

**Lang. Arts PLZ HELP!!D:**

I need some info about how the building of dams effect whitewater activities such as kyaking and conoeing..!!!plz help
*February 26, 2009 by Alysha*

**PLz help Bob**

PLz help see below
*October 17, 2006 by Svetlana*

**math**

You can find the distance d an object falls in feet for time t in seconds using the formula d= 16t^2. Suppose a ball is dropped out of a window of a tall building. How far will the ball in 3 seconds? a 144 ft b 96 ft c 48 ft d 16 ft plz explain how to do this? thanks !!!
*March 20, 2009 by Anonymous*

**science- plz help me!**

figure out a practical use for a lever with a mechanical advantage of one! See Saw? squaueo
*April 16, 2007 by haya*

**history help plz**

Although it put many farmers out of work, the _____ made English farming more productive.
*August 12, 2009 by gabriel*

**Chem- PLZ HELP!**

Consider 100g of 5.5% (mass) solution of NaNO3. Complete the following table, before calculating molarity, molality and mole fraction of NaNO3. Solute(NaNO3)|Solvent(H2O|Soln Mass(g) 100g Moles ---- RefInfo 85g/mol 18.02g/mol Density=1.00g/mol (This goes under "soln" as ...
*March 3, 2011 by Kate*

**sociology**

How about -- class structure in your town or school? prejudice about a particular ethnic group? classroom group projects? perceptions about authority figures? sorry i wrote in dat language i need to do a project in sociology for 20 marks and iam not able to decide on a topic ...
*August 14, 2007 by Ms. Sue*

**P.E /.....**

PLZ PLZ PLZ HELP. Trying to get over quiz Harvey has his heart set on making the state finals for his track team in the 100 yard dash. Although Harvey knows there are many factors to improving his time and becoming an elite sprinter, one skill is paramount to his success. ...
*December 21, 2013 by Samantha*

**MATH**

test tomm so plz reply back fast a concrete bridge over a river has an underside in the shape of a parabolic arch. At water level, the arch is 30 mwide. it has maximum heigt of 10m above the water. the minimum vertical thickness of the concrete is 1.5m. 1-find the algebraic ...
*April 16, 2009 by math pro*

**MATH**

from 6:30 am to 4:30 pm on Monday, the temperature rose 12 degreesC. From 4:30 pm on Monday to 5:45 am on Tuesday, the temperature dropped 7 degreesC. The temperature at 5:45 am on Tuesday was -2 degreesC. What was the temperature at 6:30 am on Monday? plz i need ur help this ...
*February 24, 2015 by Bro *

**Biology question plz**

Which of the following depends on bacteria? conversion of dead organic matter to fossil fuel photosynthesis dissolution nitrogen fixation I think its A but I feel it could also be D, could you plz help?
*September 26, 2014 by Niki*

**Basic Chemical Engineering**

Can someone plz give me the link of the process flow diagram of a textile(dyehouse)? I only need to know the procedures of the main components in the dyeing section. Plz help!
*October 5, 2014 by Jamie*

**eng- need it fast plz**

need a word that has all these letters d, l, b, a , e, e, n, b plz been stuck for a while grade 2
*October 19, 2009 by nany*

**can someone plz help me **

A rectangular prism has a volume of 48 cubic feet and surface area of 88 square feet. what are its dimensions? plz help me
*February 24, 2010 by yuku*

**PHYSICSS.. someone help plz.**

A football is kicked at 15 m/s with an angle of 35 degrees with the ground. How long is it in the air? How far will it land? Can someone help plz... Thanks!
*December 3, 2007 by Dan*

**science plz help ms sue**

Compare and contrast spiral and elliptical galaxies. (Make at least 2 comparisons.) plz help me with eclest what is to comparisons
*April 10, 2015 by help plz*