Monday
September 1, 2014

Search: DIFF. CALCULUS

Number of results: 12,821

MATH
LAMONT IS REQ TO READ 1 BIO, 1 SCIENCE, AND 1 POETRY BOOK EACH MONTH. HIS BOOK CHOICES ARE: 2 DIFF BIOS 3 DIFF SCIENCE 3 DIFF POETRY HOW MANY COMBINATIONS OF REQ BOOKS ARE POSSIBLE?
January 26, 2009 by lANEY

differential
dT/dt= k(T - Tm), t > 0 where k is a constant of proportionality, T and Tm are measured in degrees Fahrenheit, and time t is measured in hours. Because Diff wants to investigate the past using positive values of time, he decides to correspond t  0 with 6:00 A.M., and so...
September 27, 2012 by armut

Diff eq
y'(x)=sqrt2y(x)+7, y(4)=1 Solve the seperable diff eq
February 24, 2013 by Melissa

Science
Put slice of "potato" in four diff bowls. Add diff "solutions" to each bowl. Which is Dependent Variable and which is Independent Variable?
October 26, 2011 by LW

math
Please help me on this calculus question. I am getting the wrong diff. equation and so my answers to the remaining parts are wrong. ---------------------- A thermometer reading 85 degress outside is brought into a room with a constant temperature of 72 degrees. The rate of ...
September 29, 2009 by Matt

Calculus Help
use logarithmic diff. to find the derivative of the function. Show steps please! so I can see how it is done. Thank you so much! y=(e^(-x)cos^(2)(x))/(x^(2)+x+1)
March 18, 2014 by Maho

Pre-Calculus
I want to know how we know if a function is continuas or discontinuos and what are the types and diff if discontinuos functions?
September 22, 2008 by Mia

physical science
if two lighting volts heat exactly they same place at they same time in are frame of ref.,it is possible that observed in other frames will see the volts heating at diff. time r at diff. places????? explain.
September 25, 2011 by angie

Calculus Help Please!!!
If x^3 - y^3 =3 , use only implicit diff. to find d^2y/dx^2 . Express your answer in terms of x and y only and write is as a proper fraction that is completely simplified as much as possible.
April 8, 2014 by Tanya

Calculus
"Leave the answer as a definite integral, but indicate how it could by evaluated by using the fundamental theorem of calculus." I solved the problem to a definite integral. Proceeding via the fundamental theorem, would involve finding the indefinite integral (or antiderivative...
July 3, 2012 by Parker

calculus
actually an ODE question(but there's no diff. eq. subforum) (y^2)(dy/dx)+y^3/x =2/x^2 using substitution u(x)=y^3 so I've been doing a few of these and getting them all wrong and this problem... I don't know where to start. I tried (1/u)(du/dx)+u/x(du/dx)=2/x^2 but that gives ...
January 30, 2012 by bob

Calculus Help STEVE
find y'' by implicit differentiation. 2x^3 + 3y^3 = 8 I got the first derivative as you but the problem was asking for second derivative by implicit diff. this is where i got confused. Thank you!!!
March 20, 2014 by Matt

Calculus Help Please!!!
Use implicit diff. to find dy/dx of each of the following. In the following x,y and (a) are all variables. Show step by step please! Thank you! 1) y^2 = x^2+a^2 2) y^2+ay = x^2+ax+a^2
March 16, 2014 by Josh

DIFF. CALCULUS
A particle is moving along the parabola 4y = (x + 2)^2 in such a way that its x-coordinate is increasing at a constant rate of 2 units per second. How fast is the particle's distance to the point (-2, 0) changing at the moment that the particle is at the point (2, 4)?
November 18, 2010 by KAREEN

Calculus Help Please!!! Urgent!!!
If x^3 - y^3 =3 , use only implicit diff. to find d^2y/dx^2 . Express your answer in terms of x and y only and write is as a proper fraction that is completely simplified as much as possible. d^2y/dx^2= -6x/y^5 (this is the answer I should get but i dont know how to show steps...
April 9, 2014 by Tim

diff eq
solve 2y^2(y'')+2y(y')^2=1
February 17, 2013 by jump

Diff EQ
is the integration of (x-2)^2 = 1/3(x-2)^3 Yes, that is correct.
January 22, 2007 by nicole

engilsh
diff in fact oppinion
January 3, 2011 by no name

Math
What are the steps in finding the diff quotient for f(x)= sq rt of x?
November 3, 2008 by Kassi

biology
trying to find the sims and differences for the following --------------------------------------- fertilization v pollination sim's both part of the process of sexual repro diff. pollination doesnt involve direct contact since it is transfer from the anther to the stamens by ...
July 27, 2009 by Jim_R

US history
what/who did the antifederalists support? (what is diff. from them and the federalist beliefs)
October 20, 2008 by Samantha

computer
diff between actual and formal parameter
October 25, 2011 by computer

computer
state diff. between HTML AND DHTML
June 5, 2012 by Shivansh Tomar

Biology - URGENT Enzyme Lab
Did a catalase producing hydrogen peroxide lab, used manganese dioxide, fresh frozen liver, potato, ice, fine clean sand, etc. Basically just added hydrogen peroxide to the catalysts under diff conditions and stuff. Just dont get this question which is : how do you account for...
April 5, 2013 by Shreya

eng
whats the diff b/w figure of speech and figurative language?
January 2, 2008 by BEN

social studies
how is the iroquois confederacy diff. from the colonial government?
March 25, 2010 by lauren

Diff EQ
Find all critical points of the given system and investigate the stability of each. dx/dt = y - 1 dy/dt = x^2 - y
April 4, 2011 by Alex

Diff Calculus
Find the interval(s) where the function is increasing of decreasing. find the: a) critical value(s) b) critical point(s) c) max. value + max. point d) min.value and min. point e)point on inflection if there is: 1) y=x^4-3x^3+22x^2-24x+12 thanks:)
October 2, 2011 by unknown

Anatomy
I am working on a research project. I am concerned about my opening paragraph. Could anyone read this to see if it makes sense. My topic is C. Diff. In 2009 according to the CDC and US Deparmtne of Social Secirty there were 2,437,163 people that died that year. During 2009, ...
August 23, 2012 by Jenifer

home economics
What are the diff.tools, equipments,materials used for farm crop production.
June 4, 2012 by bing

Polynomials
Im so tired of being frustrated can someone help get the sum diff and product of this problem 3^x ∶ x^2-3^x+ 2
September 19, 2013 by tela

polynomials
can someone help me with this crazy problem please I have to do the sum diff and product for class x^3- ー2x―^2 + 3x-1 | x^2- x+4
September 20, 2013 by Rick

polynomials
Can someone check my answer please i dont know if I am doing this right x^ (2):x= sum (x^2 )+ (x)=x^2+x diff (x^2 )-(x)= (x^2-x) Product (ーx)―^2 (x)=x^2^x
September 20, 2013 by Rick

math grd 11
how do u draw an asymtote ? diff btwn set and interval notation? and example plz
April 15, 2010 by forki

Pre Calculus 12
Im on the chapter of permutations/combinations/fundamental counting principle need help with 2 questions 1. emma is arranging her books in piles on her desk. she has 5 math books, 3 english books, and 4 science books. how many ways can she arrange them if she wants to keep the...
January 18, 2013 by Shreya

Physics
Please can you help out: 1)The Potential diff across the terminals of a battery is 8.5v when there is a current of 3amps in the cct from the -ve to the +ve terminal. When the current is 2amps in the reverse direction, the potential diff becomes 11volts. a) what is the internal...
April 17, 2007 by Charles

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

polynomials
can someone please help me with this problem I have to get the sum diff and product I keep trying to work it out but i really think im blowing it. x^3- ー2x―^2 + 3x-1 | x^2- x+4
September 21, 2013 by Rick

Calculus - please check my work
differentiate each function a) y = cos^3x b) y = sin(x^3) c) y = sin^2 xcos3x my answers: a) y' = 3cos^2 x(-sinx) b) y' = cos(x^3)(3x^2) c) for this one, i dont know which one is correct. i got 2 different answers but i think they may be the same.. im not sure, i did it twice ...
June 19, 2012 by Henry

math grd 11-midterm tomm
please explain how do u draw an asymtote ? and whats the diff btwn set and interval notation? and example plz thanks
April 15, 2010 by just wondering

Polynomials check my answer please
I need help bad i been doing this homework since i got home at 4:00 and am stuck on this problem. X -1 : X-2 =sum (x+1)+(x-2)=(x+x+1-2) diff (x+1)-(x-2)=(x-x-1-2) Product (x-1)(x-2)=(x^2-1)
September 19, 2013 by johnnie

algebra
i am three digit number below 100 sum of my digit is 14 and the diff is 4 who am i
June 11, 2014 by belina

Diff Eq
If y(t)=3e^(t^2)is known to be the solution of the initial value problem y'+p(t)y=0, y(0)=y_0, what must the function p(t) and the constant y_0 be?
September 7, 2012 by Joe

geography
i did and iv already got that info so i need diff info
October 11, 2009 by holly

Polynomials
Can someone show me step by step how to get the sum diff and product of this problem x^3- 〖2x〗^2 + 3x-1 ∶ x^2- x+4
September 19, 2013 by tela

Polynomials check my answer
My brother said I did this wrong can someone check this for me please X Y-1 = sum(x)+ (y-1)=(X+y-1) diff(x)-(y-1)=(x+y+1) Product (x) (x-1) = (xy-1) = (xy-1)
September 19, 2013 by tela

math
find the 5 diff. ways a collection of 100 coins-pennies, dimes, and quarters- can be worth exactly worth $4.99.
January 27, 2009 by Julie

math percentage diff
a value of 2.40 increased to 4.48 in 5 years. what is the change in percentage each year? this one was difficult to figure out..
March 24, 2010 by danny

Economics
Microeconomics: Describe the diff. market forms ( I've done that) Under which equlibria and under which circumstances is sustainable profir possible? ( I am lost)
January 5, 2007 by Angel

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

english
what is autism? autism is a developmental disablity that affects a person's way of communicating with others, their social interaction, and educational performance. how i put this in diff words?
February 28, 2010 by Anonymous

chem
compute theoretical yield (g) ~2Al+3Cl2->2AlCl3 ~2g Al, 2g Cl2 [ans:2.5g AlCl3] i need the calculation work bcus i got diff from the ans which is 7.12 g.
July 20, 2011 by lily

polynomials help me please
Im sorry here is the problem rewritten X^3 -2x^3 + 3x-1 : X^2-x+4 I have to get the sum diff and product and it kicking my tail i think i keep doing it wrong can someone please help me
September 21, 2013 by Rick

Math - derivative of f(x) (check)
f(x)= (x^2-1)^3,is its derivative f'(x)= 6x^5 -12x^3 + 6x. Is there an alternative answer, because a computer generated answer is diff then mine. please help.
October 27, 2010 by Anonymous

Old Bridge
Sue has 8 pairs of dress shoes. How many diff. way can she arrange five pairs of her shoes in her closet?
February 25, 2012 by Jane

Diff eqn- IVP
A simple pendulum of length is oscillating through a small angle θ in a medium for which the resistance is proportional to the velocity. Obtain the differential equation of its motion and discuss the motion.
March 12, 2011 by shasha

ALG II - Probability
Owners of a restaurant advertise that they offer 1,114,095 diff lunches based on the fact that they have 16 free fixins to go along with any of their 17 menu items (sandwiches, hot dogs, and salads). How did they arrive at that number?
May 18, 2010 by Cole

Chemistry
Then, do isotopes have different atomic radii? since they all have different numbers of neutrons. Even if they only differ by 10^-23 m, there is still some diff right?
February 29, 2008 by Kurst

Diff eqn- IVP
The differential equation that governs the forced oscillation is shown below: 0.2 dy/dt + 1.2 dy/dt +2y = r(t) where r(t) is the external force. Given that r(t) = 5 cos 4t with y(0) = 0 . find the equation of motion of the forced oscillations
March 14, 2011 by shasha

phys. science
when most matter is heated it expands right? & doesnt water expand when it is heated? & what is the diff. b/w thermal conductor and thermal insulator? & in which direction will heat spontaneously flow?
May 15, 2008 by leann

spanish
I have a few diff questions: 1. Georgia _____________) esta enojada or teine tos)porque tiene varicela y no puede ir a la fiesta de Anita I put in the blank tiene tos
February 3, 2008 by sam

Diff eqn- IVP
A particle moves on the x-axis with an acceleration, a=(6t-4)ms⁻1. Find the position and velocity of the particle at t=3 , if the particle is at origin and has a velocity of when t=0
March 12, 2011 by shasha

chem
a mixture of 50g of S & 1x10^2g of Cl2 reacts completely to form S2Cl2 &SCl2. Find the mass of S2Cl2 formed. (ans:20.2g) i need the calculation work bcus i got diff. from the ans which is 70.2g.
July 20, 2011 by lily

differential equations
Solve the following equation explicitly by expanding up to order x5, the following 2nd order diff equation. y''(x) = (1 + x^2)*y(x) pls show working y =f(x)
November 29, 2011 by zac

help spanish
I am having a very diff time with htis answer these questions negatively - indicating that wjta is being asked already happened. 1. Vas a buscar una tiends de computadoras en el centro comercial? 2. Vamos a encontrar muchas rebajas en el centro?
January 26, 2008 by sam

Chemistry
a sample of an unknow metal exists as a perfect cube that meausres 0/78 in on a side and weighs 61.4 grams. what would be the mass, in grams, of a diff sample of this metal that has a volume of 25.0 cm^3
September 18, 2012 by Helen

physics
A plane sound wave propagated in air has individual particles which execute a periodic motion such that their displacement y from their rest position at any time t is y=5x10^(-6)sin(800pie(t)+theta). Calculate (i) wavelength. (ii) phase diff in degree between particles 17cm ...
March 22, 2010 by Edwin

Pre-Calculus/Calculus
I am too embarassed to ask this Calculus (really pre-calculus) question in tutoring, because I know I should know. Is the inverse of f(x)=3x-1 actually f(x)=1/3x+1? How do I find it? What if it asks the same equation replaced with f to the -1 power (x)? I think I know how the ...
July 1, 2008 by Molly

physics
if two lighting volts heat exactly same place at the same time in are frame of ref,it is possible that observes in other frames will see the volts heating at def. time or diff. places? explain
September 25, 2011 by angie

chemistry - empirical formula
write the empirical formula for each of the following molecular formulae" a)P4O10 b)C2H6 Confused as to what the diff.is b/w empirical and formula...have no idea how to answer these b/c they look like empirical formulas to me
May 23, 2008 by Sarah

Math
Help please... some diff equation prbolems... 1.) Transform 2xdy - y(x+1)dx + 6y^3dx = 0 into a Bernoulli Equation. 2.) The equation of the tangent line of the one-family of curve x^2 + y^2 = 25 at P(4, 3) is_______ 3.) The complete solution of 2x^3 dy = y (y^2 + 3x^2) ...
December 14, 2009 by Therese

science
Which ones apply to a compound? i thought it was 4 and 6 1. Does not settle on standing 2. scatters light 3. can seperate when allowed to stand 4. contains only fixed amts of components 5. Often appears cloudy 6. components do not lose their own properties 7. looks the same ...
October 6, 2007 by claire

science
Which ones apply to a solution ? i thought it was 2,6,7 and 8 1. Does not settle on standing 2. scatters light 3. can seperate when allowed to stand 4. contains only fixed amts of components 5. Often appears cloudy 6. components do not lose their own properties 7. looks the ...
October 6, 2007 by claire

economics
elow kindy ans. my question pls.. what is optium point in budget line and indefference curve, and also what is the diff. between budget line and indefference curve?..
February 21, 2009 by vanie

physics
An oil drop B has charge 1.6 10−19 C and mass 1.6 10−14 kg. If the drop is in equilibrium position, let 10 k be the potential diff. between the plates. [The distance between the plates is 100 mm] Then what is the value of k.
October 12, 2013 by preet

Chem
Indicate which of the following are exact numbers. the mass of a stapler? i think its inexact because all staplers are different sizes. Is that correct? Also,the mass of a postage stamp. is that inexact? because they can also be diff. sizes?
August 17, 2012 by Hannah

Maths A level
A large cylinrical tankor radius 40cm contins a liquid and at time,t the depth is h cm. There is a hole in the bottom and liuid leaks out at a rate of 32pi h to power of 0.5. Show at time t, the heighth of the liquid in the tank satisfies the diff. eqn..dh by dt=-0.02 h to ...
May 23, 2014 by Thomas

Calculus
What is the use of Calculus? How is it use in jobs? What jobs use Calculus? Calculus is used in engineering, economics, any physical science, and in business (e.g., actuary studies and statistics).
May 5, 2007 by Anonymous

science thanks
Which ones apply to a homogeneous mixture? I think only # 4 and 7 apply? 1. Does not settle on standing 2. scatters light 3. can seperate when allowed to stand 4. contains only fixed amts of components 5. Often appears cloudy 6. components do not lose their own properties 7. ...
October 6, 2007 by claire

science thanks
Which ones apply to a homogeneous mixture? I think only # 4 and 7 apply? 1. Does not settle on standing 2. scatters light 3. can seperate when allowed to stand 4. contains only fixed amts of components 5. Often appears cloudy 6. components do not lose their own properties 7. ...
October 6, 2007 by claire

Business Management
What is the difference between executive and non executive pay? Contrast the principle diff between executive pay with non-executive. What are the controversies associated with the growing disparity between the compensation packages?
June 1, 2011 by Nicole

science one more
Which ones apply to a heterogeneous mixture? I think only # 6 and 8 apply? 1. Does not settle on standing 2. scatters light 3. can seperate when allowed to stand 4. contains only fixed amts of components 5. Often appears cloudy 6. components do not lose their own properties 7...
October 6, 2007 by claire

Algebra
In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra but not calculus. Of ...
January 11, 2010 by Anita

Calculus
Time (min)0___10___20____30__40____50____60 Temp (F)68_72.64_76.97__80_82.9_85.38__87.5 Use the Trapezoidal Rule to find the best approximation you can for the average temperature in the trailer from 10:00 until 11:00. (10/60)/2 (68 + 2(72.64) + 2(76.97) + 2(80) + 2(82.9) + 2(...
May 22, 2008 by Anonymous

English
I am trying to write a thesis statement for a research paper I have to write. The paper is over C. Diff this is a disease. Here are my ideas I am just not sure that either are even written correctly. 1. Deaths caused by Cloustridium Difficiule are preventable. 2. Simple ...
August 29, 2012 by Jennifer

socials
what the meech lake meetings about? Meetings about changes to the Constitution. It offer to recognize Quebec as a distinct society. It also proposed giving more power to the other provinces. what problems meech create for diff parts of the canada? Aboriginal peoples pointed ...
December 16, 2011 by Mohammad

Calculus
What is the simplest solution to the Brachistochrone problem and the Tautochrone problem involving calculus? (I know that the cycloid is the solution but I need a simple calculus proof as to why this is the case)
May 27, 2010 by Sam

Biology- check my answer (diff one)
Which of the following are true concerning living things? Check all that apply. A)They contain a vital force absent in nonliving things. B)They are composed of molecules that contain carbon-carbon bonds. C)They undergo chemical reactions to use energy they acquire from the ...
December 19, 2012 by joey

diff eqn.
y(t) = -0.2451 cos 4t + 0.9804 sin 4t + e^(-3t ) (A cos⁡〖t+B〗 sin⁡〖t)〗 y'(t) = ?
November 20, 2011 by Farah

math
8. In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra, and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra but not calculus. ...
November 30, 2009 by poo

Physical Chemistry
Three electrolytic cells containing solutions of CuNO3, Sn(NO3)2, and Fe(NO3)3, respectively, are connected in series. A current of 2.2 A is passed through the cells until 3.10 g of copper has been deposited in the cell. (a) What masses of tin and iron are deposited? tin g ...
March 29, 2010 by Mark

Math
a) f(x) = 4.1x +92.16 b) f(x) = 17.9x + 19.36 c) f(x) = 8.8x + 55.4 ANSWERS: a) 4.8 b) 0.93 c) 2.2, i just have no clue how they got these answers EXTRA INFO: The demand function for a new product is p(x)= - 4x +42.5, where x is the quantity sold in thousands and p is the ...
October 20, 2011 by Nancy

Math
a) f(x) = 4.1x +92.16 b) f(x) = 17.9x + 19.36 c) f(x) = 8.8x + 55.4 ANSWERS: a) 4.8 b) 0.93 c) 2.2, i just have no clue how they got these answers EXTRA INFO: The demand function for a new product is p(x)= - 4x +42.5, where x is the quantity sold in thousands and p is the ...
October 20, 2011 by Nancy

Math( help please ! )
a) f(x) = 4.1x +92.16 b) f(x) = 17.9x + 19.36 c) f(x) = 8.8x + 55.4 ANSWERS: a) 4.8 b) 0.93 c) 2.2, i just have no clue how they got these answers EXTRA INFO: The demand function for a new product is p(x)= - 4x +42.5, where x is the quantity sold in thousands and p is the ...
October 20, 2011 by Poppy

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

algebra
please help me with this question. gives line graph with 0 to 2 1/2 marked. problem: store A charges 9.75% tax and store B charges 7.25%. if shoppers's pre-tax receipt is between $11.57 and $81.43, write and graph a compound inequality that describes the difference in taxes ...
February 2, 2012 by ann

Safety
I'm confused about who the father of occupational medicine is in the United States? Bernadino Ramazzini is the father of occupational medicine but what country is he for? if its for a diff. country then who is the father of occupational medicine in the United States? Ramizzine...
April 9, 2007 by Ashley

7th grade MATH
? reads,"7th place driver had a time that was 18.5 min slower thatn the driver ahead of him(2hr 43min 7sec), what was his time in hrs, min & sec.? What was the diff. btwn 1st and 7th? Calculate the winner's time in hrs. only(answer correct to 3 decimal places). Winners time: ...
January 7, 2010 by M.

Combinatorics
Entropy 1. Suppose a room has n molecules of a gas. We divide the room into k equal parts. How many ways can the molecules be split evenly between the parts (you may assume that n is divisible by k)? How many ways can the molecules be in only one part? What are the most common...
April 30, 2012 by Layla

biology
polar molecule are soluble in water. how does this activity demonstrate polarity of molecule that contain the -OH group. our activity was to do an experiment mixing 2 diff liquids together to see if they dissolve and tell if its polar or nonpolar. 1. water and oil= polar 2. ...
November 12, 2013 by Reina B.

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