Differential equations.

Approximate change question.
by Siaw on December 23rd, 2011 | 1 person likes this | 2 answers | in Differential equations

What does demure mean?
by Answerbag Staff on May 4th, 2011 | 4 answers | in Differential equations

Another solution check.
by Siaw on December 16th, 2011 | 3 people like this | 3 answers | in Differential equations

What does anti-cubic mean?
by Answerbag Staff on January 15th, 2011 | one answer | in Differential equations

Small points question.
by Siaw on December 16th, 2011 | one answer | in Differential equations

What does anti-cubic mean?
by Answerbag Staff on July 16th, 2010 | one answer | in Differential equations

Check my solution.
by Siaw on December 16th, 2011 | 2 people like this | 2 answers | in Differential equations

What does an ampersand mean in mathematics?
by Answerbag Staff on July 2nd, 2010 | one answer | in Differential equations

Another differentiate question need understand...
by Siaw on December 16th, 2011 | one answer | in Differential equations

What is Ada Lovelace famous for?
by Answerbag Staff on May 18th, 2010 | 3 answers | in Differential equations

Another Differentiate Question.
by Siaw on December 14th, 2011 | 1 person likes this | one answer | in Differential equations

How much acid is in rubbing alcohol?
by Answerbag Staff on February 14th, 2010 | one answer | in Differential equations

Difficult Differentiate...
by Siaw on December 13th, 2011 | 4 answers | in Differential equations

Derivatives of trigonometric functions.
by Siaw on December 7th, 2011 | 1 person likes this | 2 answers | in Differential equations

Pls help in solving differential equation.
by niferlink on December 1st, 2011 | 2 answers | in Differential equations

How the bloody hell do i solve equations ...
by Sebastian_N on November 10th, 2011 | 1 person likes this | 3 answers | in General Differential equations

What does demure mean?
by Answerbag Staff on May 4th, 2011 | 4 answers | in Differential equations

3 - 2 + 1 = ?
by Ombliss22 on March 4th, 2011 | 2 people like this | 5 answers | in General Differential equations

How do i integrate dx/x(x+4) = dt? This has been bothering me and I really need to know.
by Anonymous on January 23rd, 2011 | 1 person likes this | 2 answers | in General Differential equations

What does anti-cubic mean?
by Answerbag Staff on January 15th, 2011 | one answer | in Differential equations

If a two-pound hailstone measures 8" in diameter, how many inches in diameter would a one-hundred pound hailstone be?
by edward.keefner on December 19th, 2010 | one answer | in Differential equations

Solve non-linear homogeneous differential equation using power series methods. y"+xy'-y = 0 and y'(0) = y(0) = 0
by WarHorseLeBron on September 26th, 2010 | 2 answers | in General Differential equations

Find: 1) dP/dy 2) Hence find which year there was the greatest amount of rain?
by MaleMarkB657 on August 13th, 2010 | 2 answers | in General Differential equations

What does an ampersand mean in mathematics?
by Answerbag Staff on July 2nd, 2010 | one answer | in Differential equations

I need this differential equation solved. v' + v^2*(Z/m) - g = 0. v varies with time. All else is constant.This is a gravity/drag question
by WarHorseLeBron on June 30th, 2010 | one answer | in General Differential equations

A book for problems in Partial differential equations?
by EKIN on May 24th, 2010 | one answer | in General Differential equations

I'm studying Functional Analysis and need to solve problems in order to assure myself that I've really understood the concepts.
by EKIN on May 24th, 2010 | no answers | in General Differential equations

What is Ada Lovelace famous for?
by Answerbag Staff on May 18th, 2010 | 3 answers | in Differential equations

Find symbolic (analytical) solution of dv/dt = k * v^2 - g. Where g is 9.8, k is .004 (and it accounts for the mass, and v is the velocity.
by beowulf3 on March 7th, 2010 | one answer | in General Differential equations

How much acid is in rubbing alcohol?
by Answerbag Staff on February 14th, 2010 | one answer | in Differential equations

Is there a formula that causes to simultanious equations to become entagled or does it require a change of coordinate systems?
by good squarel on December 4th, 2009 | no answers | in General Differential equations

Suppose that the width of a rectangle is three feet shorter than length and that the perimeter of the rectangle is 84 feet. set up the an equation for the perimeter involving only L, the length of the rectangle
by Anonymous on November 21st, 2009 | one answer | in Differential equations

(1st # is on top of the ∫ and the 2nd # is on the bottom) a. 4 ∫ 0 (√x) dx b. (π/2) ∫ 0 sin (x) dx c. 3 ∫ 1 (1-3x^3)/(x^2) dx d. π ∫ 0 (sin^2(x)) dx e. pi ∫ 0 xcos(x^2 + π) dx f. 3 ∫ -3 (x^3) dx please help and show work!
by Anonymous on November 16th, 2009 | one answer | in General Differential equations

Find the general solutions to the following differential equations: a. (dy/dx)= cube-root (x/y) b. (d^2x/dt^2)= -ω^2x c. (d^2x/dt^2)= -g These are problems from a practice exam, I'm very lost, please show your work! Thank you so much
by Anonymous on November 15th, 2009 | one answer | in General Differential equations

Einsteins special theory of relativity says that mass is related to velocity by m=mo/sqrt(1-v^2/c^2)=mo(1-(v^2/c^2)^-1/2 mo=rest mass c=velocity of light determine increase of mass of an object when v increases from 0.9c to 0.95c. approx. % increase=?
by Anonymous on October 27th, 2009 | 3 answers | in General Differential equations

At 2pm thermometer reading 80F is taken outside where the air temp is 20F at 2:03pm, the temp reading yielded 42F. later the thermometer is brought inside where the air is 80F at 2:10pm the reading is 71F when was the thermometer brought indoors?
by Anonymous on October 22nd, 2009 | no answers | in General Differential equations

How do you convert celcius from farenheit step by step?
by Anonymous on October 21st, 2009 | 3 answers | in General Differential equations

If a US quarter has 119 ridges, what is the distance between the ridges?
by John on October 21st, 2009 | one answer | in General Differential equations

Integrate xcosxsin2xdx+C?
by 4kids on August 21st, 2009 | 2 answers | in General Differential equations

Http://tutorial.math.lamar.edu/Classes/DE/Vibrations.aspx anyone want to explain how to get from (4) to (5)?
by jehan60188 on July 31st, 2009 | no answers | in General Differential equations

Do you think the equipment worn by swimmers in the world titles or Olympics make much difference in the times they swim.
by bazza on July 26th, 2009 | one answer | in General Differential equations

Is there any other dimension other then x y z?
by mohitK on July 18th, 2009 | 2 answers | in General Differential equations

Why do you think that the x-intercepts are called zeros of the equation?
by bo H on July 5th, 2009 | 2 answers | in General Differential equations

Linear or non linear(Differential equation): y'[t^2y''(t)] = 4e^t ? (dr/dt)^2 = rt ? F = m dv/dt ? dr/dt = rt?
by Anonymous on June 27th, 2009 | one answer | in General Differential equations

Is gearing up, the same as multiply?.
by eightopus on June 21st, 2009 | one answer | in General Differential equations

The cost of fuel in running an engine is proportional to the square of the speed and is Rs.48 per hour for a speed of 16 mph. Other costs amount to Rs.300 per hour. What is the most economical speed?
by vijith on June 8th, 2009 | one answer | in General Differential equations