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September 19, 2014

Search: college calculus-initial value

Number of results: 41,502

college calculus-initial value
dy/dx=cos(7x)+5/pi initial condition y(pi/4)=2
December 6, 2010 by eileen

college calculus-initial value
dy/dx=cos(7x)+5/pi initial condition y(pi/4)=2
December 6, 2010 by eileen

calculus
X. An automobile with seven years of use has a commercial value of $34057.7, but five years ago its value was $72250. If the value of such automobile varies exponentially with the time. (36-41) 36.- What was the value of the automobile when it was new? 37.- What will be the ...
November 25, 2008 by steve alexander

calculus
An automobile with seven years of use has a commercial value of $34057.7, but five years ago its value was $72250. If the value of such automobile varies exponentially with the time. (36-41) 36.- What was the value of the automobile when it was new? 37.- What will be the value...
November 25, 2008 by steve alexander

college algebra
The height of a projectile fired upward is given by the formula s = v0t – 16t2, where s is the height, v0 is the initial velocity and t is the time. Find the times at which a projectile with an initial velocity of 128 ft/s will be 144 ft above the ground. Round to the nearest ...
April 8, 2014 by Kelly

Business Calculus
Pam and Tim decide to start saving money for their daughter's college education. They open a college savings plan (529) with a 500 dollars initial investment and next month start to make monthly deposits of 120 dollars. If the account pays 8% compounded monthly, how much will ...
February 11, 2013 by cs94

Chemistry
The reaction X + Y --> products was studied using the method of initial rates. The initial rate of consumption of X was measured in three different experiments. What is the value of the rate constant, k? *concentrations are in mol/L and initial rates are in molL-1s-1 Exp 1...
February 23, 2011 by Jamie

calculus
How do you solve the initial value problem? (dy/dx)-2y+4=0, y(1)=4
March 13, 2010 by Bree

Calculus
Solve the initial-value problem. y'' - 2y' + y = 0 , y(2) = 0 , y'(2) = 1
March 16, 2014 by Sandy

college chemistry
If the initial concentration of F(g) is 8.285 mol/L, calculate the % decomposition of F(g) when the reaction comes to equilibrium according to the balanced equation. The value of Kc at 927.0 °C is 370.00. The initial concentration of the reaction products is 0 mol/L. 2F(g) = ...
October 3, 2010 by sparkle

college chemistry
please help! If the initial pressure of I2(g) is 1.738 atm, calculate the % decomposition of I2(g) when the reaction comes to equilibrium according to the balanced equation. The value of Kp at 1000 K is 0.254. The initial pressure of the reaction products is 0 atm. I2(g) = 2I(g)
October 5, 2010 by sparkle

College physics
A projectile is launched vertically from the surface of the Moon with an initial speed of 1400 . At what altitude is the projectile's speed one-half its initial value? do you use the equation Ei = Ef and vf would be 700 E= 1/2 mv^2 -G (Mass of the moon/radius)
November 19, 2009 by Mary

calculus
solve the initial value problems: 1- dq/dz = 2 + sinz, q(0)=5 2-dy/dx = (x^2 -2)x, y(2)=4 3-dy/dx = 4e^5^x + x, y(0)=4 4- dy/dx 3x + 2, y(3)= 2
April 19, 2010 by piper

Calculus
solve second-order initial value problem y"(x)= x e^-2x y'(0)= 0 y(0)= 0
May 15, 2008 by Mina

Calculus II
Solve the Initial Value Problem: Let k and Po be positive constants. P(0)=Po dP/dt = kP^2
March 17, 2009 by Michelle

calculus
solve the initial value problem by separation of variables dy/dx=y^(2)+1, y(1)=0
March 17, 2011 by james

calculus
solve the initial value problem by separation of variables 8. dy/dx=x+1/xy, x>0, y(1)=-4
March 18, 2011 by mike

calculus
solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4
March 19, 2011 by sally

calculus
solve the initial value problem by separation of variables dy/dx=-xy^2, y(1)=-0.25
March 19, 2011 by sally

calculus
solve the initial value problem by separation of variables dy/dx=-xy^2, y(1)=-0.25
March 20, 2011 by linda

calculus
solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4
March 20, 2011 by linda

calculus
how do you solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4
March 20, 2011 by kimberly

calculus
find the solution of the initial value problem y'=xye^x; y(1)=1
April 10, 2012 by Anonymous

Calculus
Find f (x) by solving the initial value problem. f '(x) = 6x^2 - 10x; f(2) = 5 f(x) =
July 19, 2013 by Anonymous

Calculus
Find f(x) by solving the initial value problem. f '(x) = 3ex - 4x; f(0) = 10 f(x) =
July 19, 2013 by Anonymous

Please help! (Calculus)
Solve initial value problem explicitly: 1. y'= ye^-x, y(0)=1 2. y'= 5xe^-y, y(1)=1
February 2, 2011 by Leah

calculus
solve the initial value problem by seperation of variables du/dt=2t+sec2t/2u, u(0)=-5
March 18, 2011 by mike

calculus
solve the initial value problem by seperation of variables du/dt=2t+sec2t/2u, u(0)=-5
March 18, 2011 by joseph

calculus
how do you solve the initial value problem by using separation of variables dy/dx=1/y^2, y(0)=4
March 19, 2011 by billy

calculus
how do you solve the initial value problem by using separation of variables dy/dx=-xy^2 when y(1)=-0.25
March 20, 2011 by kimberly

calculus
Please help find the solution to the initial value problem dy/dx=(1+2cos^2 x)/y with(y>0), and y=1 when x=0. Thanks.
April 29, 2011 by John

Calculus-Antiderivative
Solve the following initial value problem: dr/dt=7cos(pi(t)), r(1/4)=14 r(t)=?
November 8, 2013 by Max

calculus
how do you solve the initial value problem by using separation of variables dy/dx=1+x/(sqrt of y), y(2)=9
March 19, 2011 by billy

Calculus
For solving initial value problems is there any way to do it without a calculator? For example: f"(x)=12x^2-6x+8, f(-1)=5 f'(-1)=-21
March 19, 2008 by Emily

Calculus
Use Newton's Method with the function f(x)=x^2-2 and initial value Xo=2 to calculate x1,x2,x3. I have no idea how to do this
October 27, 2010 by Don

Calculus II
Solve the initial value problem using Taylor Series and the following conditions: y'(t) = y(t) + 2t y(0) = A
February 2, 2014 by Xavier

Calculus
I am given the function P=9e^(-0.9t) In the funcion form P=(P initial)(a^t) what are the values of P initial and a P initial is 9 what is a?
September 21, 2008 by George

math
Baseball Nick throws a baseball upward with an initial velocity of 60 feet per second. What is the maximum height of the ball after Nick releases the ball? Formula for the problem - h(t)=v0t-16t^2, h(t)= the height of an object in feet, v0=an object's initial velocity in feet ...
April 14, 2007 by Angel

calculus 2
Use euler's method with step size 0.2 to estimate y(1), where y(x) is the solution of the initial-value problem y'= -3x+y^2, y(0)=1
March 13, 2012 by Geminese

calculus 2
Use euler's method with step size 0.2 to estimate y(1), where y(x) is the solution of the initial-value problem y'= -3x+y^2, y(0)=1
March 13, 2012 by Geminese

calculus
Use Euler's method with step size 0.2 to estimate y(1), where y(x) is the solution of the initial-value problem. y' = 5x + y^2, y(0)=-1.
March 14, 2012 by Carlton

Calculus
Solve the differential and initial value problem: x(dy/dx) + 1 = y^2 y(1)=0 I tried using bernoulli and it didn't quite work.
December 10, 2013 by Raj

Calculus
Solve the first-order initial value problem using half angle formulas {y'(x)= 1 + sin^2 x y (0)= -7
May 14, 2008 by Mina

calculus
The rate of change of an investment account earning continuous compound interest is given by dA/dt=kA where k is a positive constant. The initial account value was $2500. At the end of the third year, the account value was $4200. Find the particular solution to the ...
March 13, 2013 by karen

calculus
The rate of change of an investment account earning continuous compound interest is given by dA/dt=kA where k is a positive constant. The initial account value was $2500. At the end of the third year, the account value was $4200. Find the particular solution to the ...
March 13, 2013 by fishfry

Math
Find the specific solution for the following differential equations: a) (dy/dx)^2 - x^4 = 0 given the initial value y(1) = 0 b) dy/dx = ysinx given the initial value y(pi) = 1
November 9, 2008 by Alice

Calculus
Consider the differential equation, dy/dx=(x+1)/y^2 with the initial condition y(0)=3. Write down the particular solution, and hence, calculate the value of y when x=8.7, to 3 dec places.
February 11, 2012 by Yvonne

Chemistry
This problem is 1st order for half life. How long would it take for the concentration of cyclopropane to decrease to 50% of its initial value? to 25% of its initial value? Rate constant is 9.2/s I set up like this... t1/2= 0.693/9.2/s= 0.075s at 50% I can't figure out how to ...
January 21, 2013 by Chris

calculus
Please help . confused here. The rate of change of an investment account earning continuous compound interest is given by dA/dt=kA where k is a positive constant. The initial account value was $2500. At the end of the third year, the account value was $4200. Find the ...
March 11, 2013 by mikey2

Calculus
Show that y= x + sinx-pi satisfies the initial value problem dy/dx=1 + cos x, y(pi)= 0 i don't understand how to do this problem. i don't know where to begin.
November 18, 2008 by Dan

calculus
Use Euler's method with given values of to obtain an approximation of the initial value problem when x=3 . Round your answers to four decimal places, if necessary. dy/dx= x+y, y(0) =3 n=4, y(3)= n=6, y(3)=
April 21, 2012 by Anonymous

calculus, math
Use Newton's method to approximate the value of (543)^(1/5) as follows: Let x1=2 be the initial approximation. find x2 and x3 =? approximation
November 22, 2011 by kayla

Calculus
Use the Fundamental Theorem of Calculus to find the area of the region bounded by the x-axis and the graph of y = 4 x3 − 4 x. Answer: (1) Use the Fundamental Theorem of Calculus to find the average value of f(x) = e0.9 x between x = 0 and x = 2. Answer: (2) Draw the ...
December 6, 2010 by Erika

Math
A share of stock loses 5% in value and then gains 5% . How does its ending value compare with its initial value?
November 20, 2009 by Cade

Mathematics
Pam and Tim decide to start saving money for their daughter's college education. They open a college savings plan with a 400 initial investment and next month start to make monthly deposits of 100. If the account pays 8.00% compounded monthly, how much will the account be ...
November 17, 2008 by Maddie

Calculus
I am confused on how to solve this problem : $5000 is invested for 4 years at 7% per annum compound interest. a. what will the amount be at the end of this period? b. what is the expression for the value of the investment after n full years? c. the investment will exceed $10,...
February 15, 2007 by Jess

college calculus
find a and b so that f(x)=x^2+ax+b has a local min at (6,-5) i found the derivative: f'=2x+a then i found a 0=2x+a 0=2(6)+a 0=12+a a=-12 but i can't seem to get the correct value for b. i plugged -5 into the original function, but my book says the answer is b=31. how do i get ...
October 23, 2008 by kate

Calculus-HELP!!!!
Show that the function y=c_1 e^x cos(x)+ c_2 e^x sin(x) satisfies the differential equation y''-2y'+2y=0 for any values of c1 and c2, then find the values for those constants that solve the initial value problem y(0)= 1, y'(0)= -1
July 2, 2013 by Elyse

math
Urban Community College is planning to offer courses in Finite Math, Applied Calculus, and Computer Methods. Each section of Finite Math has 40 students and earns the college $40,000 in revenue. Each section of Applied Calculus has 40 students and earns the college $60,000, ...
October 16, 2010 by liz

College Physics
A single resistor is wired to a battery.Define the total power dissipated by this circuit as P initial. What is the power, in terms of P initial, dissipated by this circuit? Power = P initial.
February 6, 2010 by Lanise

calculus
(A) Consider the wave equation with c=1, l=1, u(0,t)=0, and u(l,t)=0. The initial data are: f(x)=x(1-x)2, g(x)=sin2(pi x). Find the value of the solution at x=0, t=10, and at x=1/3, t=0. Find the value of the solution at x=1/2, t=2. (B) Suppose that l=2, c=1/2. Draw the domain...
October 22, 2013 by lucy

physics
x=x0+v0t+1/2at^2. Assuming that x0=0, a=2, and x=h, solve for t in terms of initial v and h? x0 mean initial value of x same with v0
June 8, 2012 by Joseph

calculus
Use Euler's method with step size .2 to estimate y(.4), where y(x) is the solution of the initial value problem y=x+y^2, y=0. Repeat part a with step size .1
November 10, 2013 by Bryan

Calculus
Solve the following initial value problem explicitly: y'= ye^-x , y(0)=1 How do you solve this problem? I'm really confused!
February 2, 2011 by Tania

college
The value of a mint state 63 uncalculated 1950 Jefferson nickel minted at Denver is 8/7 the value of a 1945 nickel in similar condition minted at Philadelphia. Together the total value of the two coins is 15.00 what is the value of each coin?
August 29, 2010 by T

College Physics
The drawing shows a version of the loop-the-loop trick for a small car. If the car is given an initial speed of 4.5 m/s, what is the largest value that the radius r can have if the car is to remain in contact with the circular track at all times?
October 6, 2010 by Dawn

COLLEGE CALCULUS. HELP!
the fundamental theorem of calculus, f(x)=∫(0,x) t^3+2t^2+2dt, and find f"(x). my answer was: f'(x)=x^3+x^2+2 f"(x)=x^4/4 + 2x^3/3 + 2x it said its wrong.
April 15, 2012 by lindsay

calculus
If f(x)=∫ (from -x to x) cos(t)/(1+e^t) dt and x=asin(77/85), then the absolute value of f′(x)−f(x) can be expressed as a/b, where a and b are coprime positive integers. What is the value of a, and what is the value of b?
July 20, 2013 by andy

Calculus
I need to take a college calculus class. Can someone direct me to a site which might help me get a good start? Thanks in advance.
July 10, 2008 by jules

Math/Calculus
Solve the initial-value problem. Am I using the wrong value for beta here, 2sqrt(2) or am I making a mistake somewhere else? Thanks. y''+4y'+6y=0, y(0)=2, y'(0)=4 r^2+4r+6=0, r=(-4 +/- sqrt(16-4(1)(6))/2 r=-2 +/- sqrt(2)*i , alpha = -2, beta = 2(sqrt(2)) y=e^-2x*(c1*cos(sqrt(2...
July 12, 2007 by COFFEE

college algebra
Find the maximum value of 5x + 7 – x2 on the horizontal span of 0 to 5. (Enter the maximum value of the expression, not the value of x at that point.)
February 27, 2011 by amber

College physics
According to test performed by the manufactures, an automobile with an initial speed of 75 km/h has a stopping distance of 25 m on a level road. assuming that no skidding occurs during breaking, what is the value of μ , between the wheels and the road required to achieve ...
February 26, 2013 by Sneakatone

Calculus
Give acceleration a=d^2s/dt^2,initial velocity, and initial position of a body moving on a coordinate line. Find the bodys position at time t. a=e^t v(0)=20 s(0)=5
April 25, 2010 by Anonymous

Calculus
Give acceleration a=d^2s/dt^2,initial velocity, and initial position of a body moving on a coordinate line. Find the bodys position at time t. a=e^t v(0)=20 s(0)=5
April 25, 2010 by Anonymous

COLLEGE PHYSICS
A rocket is launched at an angle of 60.0° above the horizontal with an initial speed of 99 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2. At this time, its engines fail and the rocket proceeds to move as a projectile.
September 10, 2010 by CARY

College Algebra
so i am suppose to to find the max value attained by… g(x) = -3x2 - 24x - 18. but my teacher said "There is a difference between determining the maximum value and naming the location of the maximum value." what does that mean??
November 20, 2011 by Brianna

college Algebra
so i am suppose to to find the max value attained by… g(x) = -3x2 - 24x - 18. but my teacher said "There is a difference between determining the maximum value and naming the location of the maximum value." what does that mean??
November 20, 2011 by Brianna

Calculus
Use Euler's method with step size 0.2 to estimate y(1.4), where y(x) is the solution of the initial-value problem below. Give your answer correct to 4 decimal places. y' = x - xy y(1) = 0 h = 0.2 Since I am at y(1) = 0 and not y(0) = 0 would I just do this twice? As in: y1 = 0...
June 22, 2007 by COFFEE

Really need help in Calculus Problem?!
Use Euler's method with step size .2 to estimate y(.4), where y(x) is the solution of the initial value problem y=x+y^2, y=0. Repeat part a with step size .1
November 10, 2013 by Bryan

Economics
Suppose that the average earnings for high school graduates is $25,000, the tuition, fees, and books for typical year of college total $10,000 and that a college degree takes 5 years. a) How large must the present value of the increment to earnings from getting a college ...
October 1, 2007 by Ryan

math
Suppose that the average earnings for high school graduates is $25,000, the tuition, fees, and books for typical year of college total $10,000 and that a college degree takes 5 years. a) How large must the present value of the increment to earnings from getting a college ...
October 1, 2007 by Ryan

physics
For a damped harmonic oscillation, the equation of motion is 0, 2 2 + g + kx = dt dx dt d x m with m = 0.25 kg, g = 0.07 kgs−1 and k = 85 Nm−1. Calculate (i) the period of motion, (ii) number of oscillations in which its amplitude will become half of its initial ...
March 9, 2012 by swapnali

physics
The amplitude of an oscillator decreases to 69.0% of its initial value in 15.5s. a) What is the value of the time constant?
December 1, 2009 by kelly

physic
The amplitude of an oscillator decreases to 36.2% of its initial value in 20.5 s. What is the value of the time constant?
December 5, 2009 by elena

calculus
Does anyone know of any free calculus websites? I'm taking a college class in the fall and would like to build my confidence since I am somewhat weak in math. Thank you in advance.
July 28, 2008 by jules

Calculus
Suppose f(x)=2x^2-x^3 and g(x)= sin(pix/2). a) What is the exact value of the integration from 0 to 2[f(x)-g(x). Find numerical approximation of this value. What does the value of this integral tell you about the areas of the regions beteen the two graph
January 21, 2010 by Scott

math 127
In 2008 ACT,Inc reported that 74% of 1500 randomly selected college freshman rerurned to college the next year. Estimate the national freshman to sophomore retention rate. a) Verify below the two condition are met for constructing a confidence interval for the population ...
July 27, 2010 by marylou

****college algebra****
Let h(x) = 3x + 4. For what value of x is (h o h)(x) = h(x). If no such value exists, type DNE in the space provided.
October 30, 2011 by Brianna

calculus
the graphs of f(x0=x^3 and g(x)=3x+5 have one intersection point. Determine the x-value for this intersection point using Newton's Method with an initial estimate of x1+2. You should use this method 3 times in order to obtain estimates x2, x3, and x4
November 17, 2011 by No Name

Calculus-Newton Method Approximation
Use Newton's method to approximate the positive value of x which satisfies x=2.3cosx Let x0=1 be the initial approximation. Find the next two approximations, x_1 and x2, to four decimal places each.
November 1, 2013 by Liz

college algebra
When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -5t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in ft/sec and “k” is the initial height in feet (as if you were on top of ...
March 29, 2010 by renee

physics
A glider on an air track is connected by springs to either end of the track. Both springs have the same spring constant,k , and the glider has mass M. A)Determine the frequency of the oscillation, assuming no damping, if k= 125N/m and M= 250g. (I got the answer to be 5.03 hz) ...
May 25, 2009 by kelsi

****college algebra****
Let g(x) = -2x + 8 and h(x) = 3x + 4. For what value of x is composition (g o h)(x) = (h o g)(x). If no such value exists, type in DNE in the space provided.
October 30, 2011 by Brianna

Calculus
The graphs of f(x) = x^3 and g(x) = 3X+5 have one intersection point. Determine the x-value for this intersection point using Newton's Method with an initial estimate of X1=2. You should use this method three times in order to obtain estimates X2, X3, and X4.
November 17, 2011 by Andres

College Algebra
A machine depreciates by 1/5 of its value each year. If it cost $50,000 new, what is its value after 8 years?
December 9, 2008 by Jenny

college
With examles give differences between present value and future value as used in financial mathematics.
December 5, 2009 by Lugee

MATH
a rule of thumb used by car dealers is that the trade in value of a car decreases by 20% of its value each year. suppose the initial value of your car is $23,500. write an equation expressing the trade in value of your car as a function of the number of years from now. if your...
February 26, 2013 by Anonymous

Calculus
Suppose that you can calculate the derivative of a function using the formula f(x) = 2f(x) + 4x. If the output value of the function at x=4 is 3 estimate the value of the function at 4.012. Linear Approximation right? I'm not seeing an f'(x) anywhere. Can you retype your ...
October 14, 2006 by Michael

physics spring
A glider on an air track is connected by springs to either end of the track. Both springs have the same spring constant,k , and the glider has mass M. A)Determine the frequency of the oscillation, assuming no damping, if k= 125N/m and M= 250g. (I got the answer to be 5.03 hz) ...
May 21, 2009 by annie

Algebra 2..
a rule of thumb used by car dealers is that the trade in value of a car decreases by 20% of its value each year. suppose the initial value of your car is $23,500. write an equation expressing the trade in value of your car as a function of the number of years from now. if your...
February 26, 2013 by Anonymous

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