Number of results: 50,558

**college algebra-plz help**

a circle has the equation 3(x-5)^2_3y^2=12. Find the center and radius and graph the circle. find the intercepts, if any. plz show work

*December 9, 2012 by James*

**statistics**

At a small college it is known from previous years that 35% of all college freshman start in college algebra. The new freshman class has 100 students in it, What is the probability that between 35 and 42 freshman will start in college algebra? Is it reasonable to approximate ...

*March 23, 2012 by lola*

**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*

**college algebra, Please help!!**

find the line with the given properties. Parellel to the line 7x-y= -7; containing rhe point (0,0) plz show work

*December 9, 2012 by James*

**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 :)*

**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*

**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*

**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...*

**College Algebra**

Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0 College Algebra - Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = -3 are roots so either do long division by x-2 and x+3 to get a quadratic or do it by synthetic division. Solve that ...

*January 3, 2012 by Jennifer*

**college algebra**

I don't understand the steps for doing synthetic division in college algebra

*June 21, 2011 by Louis*

**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*

**College Algebra**

Penn foster College Algebra exams...

*January 2, 2012 by Sam Shah*

**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*

**wrighting**

now that you're aware of the information at your disposal, describe how it will helpful to you as a you pursue your college degree ? plz help me

*May 15, 2015 by jill*

**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*

**math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...

*May 29, 2011 by kozy*

**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 ...*

**algebra sir reiny sir steve&bob damon help**

plz help me sir steve 3x^2=x^x find x step plz too hard

*January 9, 2017 by .....*

**Math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...

*July 19, 2011 by Jen*

**Math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...

*July 20, 2011 by Jen*

**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*

**College Algebra**

A bank credit card charges interest at the rate of 23% per year, compounded monthly. If a senior in college charges $1,700 to pay for college expenses, and intends to pay it in one year, what will she have to pay?

*October 28, 2013 by Dee*

**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*

**college**

how do i figure out the percentage error , as well as the absolute error of a) (10.00+/- .02)mL x .42 mol/L b) (10.00 +/- .02)mL + (10.00 +/- .02)mL thanks in advancee plz help

*January 16, 2009 by eddie*

**College**

Tmrw my exm plz give me soon reply ,about Measurment of viscosity and viscosity.

*January 1, 2013 by Simran kaur*

**Math! plz help!**

When Cody's son was born, he put $4,500 in an investment that earns 7% compounded semi-annually. This investment will mature when his son turns 18 and will go straight into an annuity at 4.75% compounded and paying out quarterly at the end of the period. The investment was to ...

*April 10, 2010 by Thara!*

**math help plz!**

When Cody's son was born, he put $4,500 in an investment that earns 7% compounded semi-annually. This investment will mature when his son turns 18 and will go straight into an annuity at 4.75% compounded and paying out quarterly at the end of the period. The investment was to ...

*April 10, 2010 by Thara!*

**Algebra 1**

The attendance at a baseball game was 400 people. Student tickets cost $2 and adult tickets cost $3. ( Man those are some cheap tickets.) Total ticket sales were $1050. How many tickets of each type were sold? DIRECTIONS- Write an equation to model this situation...

*September 26, 2007 by Lorexi*

**algebra**

Is there a site or someone who can help me, im not getting the basic algebra...I need someone or a web site that will help me understand the basics of algebra. PLZ HELP Im in 8th grade

*January 8, 2015 by Audy*

**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*

**College Algebra**

20. Growth of an Account If Russ (see Exercise 19) chooses the plan with continuous compounding, how long will it take for his $60,000 to grow to $80,000? 3. (1/8) to the 2x-3= 16 to the x +1 13. e to the 4x= 4 to the x-2 15. ln (x-4) ln 3= ln(1/5) to the x power 20. Tripling ...

*June 20, 2013 by Phoebe*

**algebra**

3x^2-x=7 can u help me with plz

*September 23, 2010 by Anonymous*

**algebra**

6=(x+2)/3 plz help

*September 28, 2016 by emma*

**Algebra **

I need the answers to pre algebra pizzazz pg 50 How did the angel lose his job I have the riddle I need the work!! Plz help me!!

*March 16, 2017 by Chloe*

**sir damon help plz steve plz chip into these**

An airplane ✈ makes a turn which has a banking curve of 30° to the horizontal with a radius 5m, in 10sec, what is the mass of the airplane, if it has a force of 500N. The power the plane travelled with, and what's the speed of the airplane when it made its turn?? Plz show ...

*March 15, 2017 by payuto*

**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*

**Algebra HELP!!**

Plz help me!! And what is your question?

*October 25, 2006 by Margie*

**algebra**

x^2+3+(1/10) How to factor that? plz help

*December 6, 2012 by Anonymous*

**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*

**Algebra 1**

Can someone plz solve this 2a+3b-c+(a-b-c)-(2a-4b+3c)

*September 5, 2007 by Super*

**algebra**

5x-9y=113x+7y=19.......plz help serious..........

*March 8, 2012 by Destiny*

**Algebra**

-9v - 5 = -95 This has me stumped. Ms sue help plz?

*November 15, 2016 by Ms. ( ͡° ͜ʖ ͡°)*

**algebra~help me**

18^(4-4y)=54(sqrt(2))^(3y-2) step plz help me

*November 23, 2016 by Anonymous*

**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*

**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*

**Algebra 2**

Solve in factoring method: x^2+9x+11= 7 plz help me with this.

*September 23, 2010 by Anonymous*

**Algebra**

Can someone help me with this problem, plz.... 12b^8/ 3b^4=

*October 19, 2010 by Ally*

**Algebra II**

Help plz..!!! which is the slope of the line with equation 2x + y = 4 2 1/2 -2 -1/2

*October 8, 2013 by Olive*

**algebra**

105/(-20+15) ------------------- 45/(-9)+12 Plz help me to solve this question. Thanks!

*September 22, 2014 by Pam*

**Algebra badly need help**

If (x+1/x)^2=3 then x^72+x^66+x^54+x^36+x^6+1=?? Plz help so confuse

*October 11, 2015 by Collins*

**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*

**SS Help...**

What are 4-10 (or More) pros and cons Of Spending Cut? PLZ Just Give Me A Few Suggestions, PLZ!

*February 23, 2017 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*