Thursday

February 23, 2017
Number of results: 59,730

**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*

**math**

identify the value of x that makes each pair of the ratios equivalent x:4 and 45:20 A.8 B.9 C.10 plz plz plz plz help me!!!!!!!! PLZ!!!!!

*November 2, 2015 by pankakes*

**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!!*

**math plz plz plz plz help plz .....thank you**

mark bought a notebook for $1.45 and some pencils that cost $0.42 each if the total cost was 6.91,how many pencils did he buy A.12 B.13 C.14 D.15 is 14 the answer plz help thank you

*November 23, 2015 by random rainbow*

**social studies? i think idk**

what new ideas came from the automobile? plz help plz plz plz ASAP

*December 5, 2015 by Geena*

**Math ....urgent help**

i just don't 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*

**SS plz help me plzzzzzzz**

What are the two major forces that reshape earth? Describe how itworks. plz plz plz help me there are no answer choices hope u can still help

*November 18, 2015 by #AriannaGirl :)*

**SS PLZ HELP ME ASAP**

What are the two major forces that shape and reshape earth? Describe how each one works. plz plz plz help me there are no answer choices hope u can still help

*November 18, 2015 by #AriannaGirl :)*

**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*

**Chemistry chlorine plz help**

A metal x forms two different chloride.if 12.g of chloride A and 16.3g of chloride B contain 7.1g and 10.7g of chlorine respectively,show that the figure agree with the laws of multiple proportions.write there formulea plz i need the work....no hint plz

*January 12, 2016 by Daniel*

**plz plz help me belive me have tried**

cosx+cosy=a and sinx+siny=b show that sin2x+sin2y=2ab(1-(2/(a^2+b^2)) plz plz show step

*November 2, 2016 by maths*

**Geometry i need help urgently plz plz plz**

The lenght of a line segement is of 10units and the co-ordinate of one end point are (2,-3) if the abscissa of the other end is 10 find the ordinate of the other end?? Working plz plz

*October 18, 2015 by Collins*

**calculus help me plz too hard show step**

charge Q coulombs at time t seconds is given by the differential equation RdQ/dt+Q/C=0, where c is the capacitance in farafd and R the resistance in ohms.solve the equation for Q given that Q=Qo where t=0 plz show step plz plz plz

*December 27, 2016 by ...*

**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...*

**maths plz**

∫√(x²+1)/(x+1)dx plz show step i know it messy plz i really need it

*October 6, 2016 by Anonymous*

**pscychology**

Could someone pretty plz plz plz help me...What are the 2 biggest parts of the human brain??

*March 11, 2009 by Logan:)*

**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*

**Maths plz help**

X^x+y^y=31 x+y=5 plz help i was told to use newton litrate method plz help

*December 18, 2015 by Collins*

**social studies idk**

how did the automobile negatively impact society???!!!?!?! PLZ help me I have been on it since morning plz pretty plz cherry on top help me

*December 4, 2015 by suzzie*

**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*

**chem**

stilll didn't 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*

**maths**

sir steve plz am a little confuse (x-y)³=A(x+y) prove that (2x+y)dy/dx=x+2y if y is a function of x and x=e^t/(e^t+1) show that dy/dt=x(1-x)dy/dx plz explain to me very well sir damon answered that but i still dont get it If u want me to show my work i will do it sir plz plz ...

*November 12, 2016 by practising and need help*

**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*

**maths sir steve plz reiny plz sir damon plz help**

express 1.1 in surd form pllllllz step

*November 12, 2016 by Anonymous*

**Calculus i need help plz plz**

Integrate:Sinxcosx/a^2cos^2(x)+b^2sin^2(x))dx??? plz i need the full working too hard for me

*October 21, 2015 by Collins*

**math plz help ;-;**

What is the y-coordinate of the y-intercept of the linear equation 2x - 3y = 12? Plz help I don't understand how to do this can you show me step by step plz, sorry ;-;

*May 31, 2016 by leo*

**maths sir steve plz reiny plz sir damon plz help**

express 1.1 in surd form pllllllz

*November 12, 2016 by Anonymous*

**Calculus i need help plz plz**

If y=ws^3/d^4 find the % increase in 'y' when 'w' increases by 2% and 's' decreases by 3% and 'd' increasee by 1%...... There a little error in the first question i post here it is plz i need the working and explanation

*October 18, 2015 by Collins*

**calculus too hard**

the velocity of a chemical reaction is given by dx/dx=k(a-x) where x is the amount transfered in time t,k is a constant and a is the condition at time t=0 when c=0 solve the equation and determine x in terms of t? Plz show work plz plz

*December 26, 2016 by ...*

**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 ...

*January 23, 2009 by gagan*

**math**

You want to cover a trapezoidal box with paper. You have a sheet of paper that is 1m by 500cm. What is the size box that can be made with minimal wastage? plz plz plz help me with this.. i don't understand how to do this

*May 15, 2016 by Emily*

**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*

**Function plz help!!!**

If a function u(x,y)=arctan(y/x) deduce the laplace equation of the function. plz show working i don't no where to start from...plz thanks

*December 12, 2015 by Collins*

**Chemistry!!! PLZ PLZ HELP!!**

Calculate the equilibrium amounts of each susbtance in the reaction below if an initial amount of 0.1 moles of H2 are brought together with an initial amount of 0.2 moles of I2 and then equilibrium is established at 900K. Kc at this temperature=70. H2 + I2 <-> 2HI

*May 30, 2016 by Sabrina*

**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*

**SCIENCE HELP PLZ HELP PLZ**

Which is one advantage of sexual reproduction? A. More offspring are produced ** B. More offspring survive to maturity C. The offspring have more genetic Variation D. The offspring and the parents are identical. PLZ HELP ME IS IT A?

*January 25, 2016 by GoldenSparkleGirl*

**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*

**sir steve sir reiny any 1 plz help me maths har**

Question. Find the greatest common divisor d of 159 and 51, and find integers x and y solving the equation 159 x + 51 y = d . Answer. d = 3. The extended Euclidean algorithm gives x = 9 and y = -28. (There are other solutions for x and y; these are not unique.) plz show step ...

*February 10, 2017 by collins*

**Calculus also need help plz plz plz**

If z=1/(x^2+y^2-1) is x(dz/dx)+y(dz/dy)=-2z(1+z) or -z^2(1+z) note:dz/dx=partial derivative of x and dz/dy=partial derivative of y??

*October 17, 2015 by Collins*

**calculus plz help me**

Show that the numerical value of the radius of curvature at the point (x1, y1) on the parabola y^2=4ax is [2(a+x1)^3/2)]/a^1/2. If c is the centre of the curvature at the origin O and S is the point (a, 0), show that OC=2(OS) plz show me working plz

*September 16, 2016 by marvin*

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

Name the 6 seas of the " Fertile Crescent" / Middle East?

*September 16, 2008 by Kaity*

**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*

**sequence help plz**

5+11+17+23 +... Find the sum of the 2n term of the series plz help me show step

*January 31, 2017 by naomi*

**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*

**Algebra**

Plz help me! -12 divided by 3 •(-8 + (-4)^2 - 6) + 2 My teacher said the answer should be -6. But I don't know how to get to it. Plz Help!

*September 9, 2015 by Salted Caramel*

**PLz help**

How was society before the automobile was invented plz help me I need it for my powerpoint

*December 4, 2015 by Jazzy@Sevensupergirls*

**calculus plz help me**

integrate:dx/((x-1)sqrt(x^2-2) plz show solution i plead

*May 5, 2016 by samuel*

**Science**

idont understand anything about the big idea of energy plz plz Help

*November 24, 2008 by Jammee*

**Trigonomentry plz help**

tanA=ntanB sinA=msinB find cos^2A in terms of 'm' and 'n' plz help

*December 19, 2015 by Collins*

**Science**

Plz HELP me !!!!! I need to know a acrostic poem about safety plz help me it is due tomorrow

*September 7, 2016 by Maddie*

**maths calculus need help plz**

solve d^2y/dx^2+y=tanx show working plz i don't no it at all

*September 20, 2016 by dams*

**help maths**

plz help plz help if z=x+jy,show that the locus arg{(z-1)/(z)}=pi/6 is a circle.find its centre and radius

*January 31, 2017 by putman/raj*

**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*

**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*

**Physics**

Plz plz answer this question..... "what is ment by the energy-mass relationship?explain it with the help of examples.....

*January 20, 2016 by Ali*

**maths plz help**

Find the directional derivative of: âˆ…=(x+2y+z)Â²â€”(xâ€”yâ€”z)Â² at the point (2, 1, -1) in the direction of A=iâ€”4j+2k. Plz help show me work

*December 1, 2016 by ...*

**SS HELP PLZ!!!**

How do mountains influence where people farm in the Koreas? I've looked in my book and couldn't find anything... HELP PLZ!!!!!

*December 19, 2016 by Agala*

**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*

**Maths plz help!**

4x^2+8x-m=0,differs by 3 find the value of the constant m plz help me??

*December 18, 2015 by Collins*

**social.....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*

**number base help plz**

plz solve for me too hard show step payuto 123_(base4) = N_(base8 )

*February 12, 2017 by naomi*

**SCIENCE PLZ HELP YES OR NO ANSWER**

DOES THE GALAXY ANDROMEDA HAVE A SUN? I THINK IT DOESN'T BUT IM NOT SURE PLZ HELP THX! ~Sparkles_01

*April 27, 2016 by Sparkles_01*

**maths plz help**

give the expansion sin^8@ as a series of cos@ plz help me show working where @ means theta

*September 21, 2016 by sam*

**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*

**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*

**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*

**plz help me**

Create a paragraph answering these questions: What were the benefits to society from the automobile? How was life easier? What changed? plz help me damon or anyone else

*December 4, 2015 by Jazzy@Sevensupergirls*

**Trigonomentry help plz!!!**

Sin3A=3sinA-4sin(x/2)^3 find x interms of A? PLZ show working got no ideal at all

*January 18, 2016 by Emmanuel*

**physics**

Plz plz answer this question..... I need this immediate.... "what is ment by the energy-mass relationship?explain it with the help of examples.....

*January 20, 2016 by Akbar*

**social studies plz help.**

does anyone have some answers on the new south west asia unit test!!!! plz help.

*March 3, 2016 by ill never tell*

**help plz**

some1 help wit my current post plz;)

*April 2, 2010 by catherine*

**math**

Ms.plz i have school tomorrow plz.its my H.W.

*February 14, 2013 by tania sharmin*

**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 miss.sue can u plz check me answers plz**

which of the following appears to be an irrational number? A. 3.7272727272... B. the root of 64 C. -6/25 D. 0.73303330...

*November 19, 2015 by emma*

**Maths equation plz help urgently**

0^x=100? Please help can complex number help plz show working find x i really need it

*January 3, 2016 by Anonymous*

**calculus help me plz**

integrate:dx/((x-1)sqrt(x^2-2) a tutor here direct me to a page but i do not know how to use it i tried but it did not show me any step...i need help plz

*May 5, 2016 by samuel!!!!*

**Health PLZ HELP ASAP**

There are four communication skills that have been proven to be very effective when sharing information. The four skills are: using "I" message, active listening, assertiveness,.....(I have to figure out the last one) A, Aggressiveness B, Body Language C, cooperation D, ...

*October 26, 2015 by regan*

**calculus-help me sir~steve**

show that 2f''(t)-f'(t)-f(t)=sin(t)-cos(t) where f(0)=f'(0) has the solution (-2/5)e^(-t/2)-(1/5)sin(t)+(2/5)cos(t) using laplace tranformation plz plz plz show step by step

*May 26, 2016 by dam*

**social.......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*

**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*

**PLZ HELP PLZ PLZ PLZ JUST ONLY 1 QUSTION!!!!!!!!!**

A carrier is a person who has __________? A; one recessive and one dominant allele for a trait. B; two recessive alleles for a trait. C; two dominant alleles for a trait. D; more than two alleles for a trait.

*January 25, 2016 by GoldenSparkleGirl*

**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*

**ingqayizivele high**

Am doing math lit ,geography,history n life sciences I dnt knw which career to choice can u plz help me .cal m 4 help on 0625113520 plz

*August 30, 2015 by lebo*

**PLz help Bob**

PLz help see below

*October 17, 2006 by Svetlana*

**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*

**Calculus help plz**

Evaluate in (cuberootof(x+1)/(x-1)).1/(x+1)dx help plz

*January 2, 2016 by Collins*

**PLZ CHECK ANSWERS**

11.-3 7/9 - 1 2/9 A.-2 5/9*** B.2 5/9 C.-5 D.4 5/9 12. 6 1/3 - 4 4/9 A.2 1/3 *** B.2 2/3 C.1 8/9 D.1 2/3 11.-3 7/9 - 1 2/9 A.-2 5/9*** B.2 5/9 C.-5 D.4 5/9 12. 6 1/3 - 4 4/9 A.2 1/3 *** B.2 2/3 C.1 8/9 D.1 2/3 plz hep me!!!!!!!!!!!!!!!!1

*November 2, 2016 by Connexus plz help*

**LA 2 questions plz help asap**

A. Action that begin in the past and continues in the present B. Action that begins and ends in the present C. Action that begins in the present and continues in the future**** D. future action that begins in the past, extends to the present and continues into the future 2) ...

*November 17, 2015 by #AriannaGirl :)*

**calcululs help me**

if 4x^2+8xy+9y^2-8x-24y+4=0 show that when dy/dx=0, x+y=1 and d^2y/dx^2=4/(8-5y) hence find the maximum and minimum values of y plz help so far so good i got dy/dx=(4-4y-4x)/(4x+9y-12) that help me to get x+y=1 but where i could not get is the second derivative of it so that i...

*December 19, 2016 by ...*

**chemistry**

Plz Help or give a highlight

*March 7, 2009 by chemy*

**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*