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college algebra-plz help

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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

math
the stem-and-leaf plot shows the height, in inches, of the players on two different basketball teams. How many players on each team are less than 70 inches tall? Heights of Players In inches Austin College Barton College Leaf Stem Leaf 6 7 8 8 9 6 4 6 8 1 1 2 6 7 1 1 1 3 4 5 1...

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 ...

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 ...

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!!!!!

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!!!

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

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

social studies? i think idk
what new ideas came from the automobile? plz help plz plz plz ASAP

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......

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

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

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!

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. ...

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

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

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

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

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

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 ...

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

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

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

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

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

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

College Algebra
Penn foster College Algebra exams...

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!!

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

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 ...

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 ...

Algebra 2
Dana invests $8,000 into her son college fund when he is born. The college fund earns 3% interest and is compounded daily. What will the value of his account be if he takes the money out at 18 to go to college? Please write answer rounding to 2 decimal places.

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

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"

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!!!!!

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

maths sir steve plz reiny plz sir damon plz help
express 1.1 in surd form pllllllz step

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

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 ;-;

maths sir steve plz reiny plz sir damon plz help
express 1.1 in surd form pllllllz

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

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 ...

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 ...

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

algebra sir reiny sir steve&bob damon help
plz help me sir steve 3x^2=x^x find x step plz too hard

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 ...

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 ...

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

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?

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 ????

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

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

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

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 ...

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 ...

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...

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

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 ...

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

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

algebra
6=(x+2)/3 plz help

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!!

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 ...

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 ....

Algebra HELP!!
Plz help me!! And what is your question?

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

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?

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...

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 ...

Algebra 1
Can someone plz solve this 2a+3b-c+(a-b-c)-(2a-4b+3c)

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

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

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

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??

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

social plz...................help me plz.........
Name the 6 seas of the " Fertile Crescent" / Middle East?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 ...

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.

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.

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.

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

maths plz help
Find the directional derivative of: ∅=(x+2y+z)²—(x—y—z)² at the point (2, 1, -1) in the direction of A=i—4j+2k. Plz help show me work

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!!!!!

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

math need help plz
1/3+(-5/6)+(-1/2) can u help me solve this plz by using steps. thank u

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