# Posts by lim

Total # Posts: 24

**maths**

And i am solving to get its general solution, so just tell me what method to use as in like homogenous, exact, integrating factor, bernouli, etc... Thanks

*September 24, 2016*

**maths**

guys need help on ODE questions, i just need you guys to tell me what method to use for the following equations and i will try solve them myself: a) (2y+tany)dx +(x-x^2(tany))dy=0 b) y'=(e^x)(2y+(e^x))+y(1+y) c) y'=1+y^2-x^2 any hints will be good also. XD

*September 24, 2016*

**math**

i see thanks :)

*September 9, 2016*

**math**

Show the functions f= f(z); z=x+iy is nowhere differentiable f(z)=cosy -i siny how do i do this? heres my idea separate them into u(x,y) and v(x,y) then differentiate them and since the first derivative of u(x,y) and v(x,y) does not equal i can deduce that they are ...

*September 9, 2016*

**math**

thanks... :)

*September 7, 2016*

**math**

Show that the equation z(z¯) + (a¯)z + a(z¯) + b = 0 with (a as element of complex number) and (b as element of real number) represents a circle in C. please help me, hints will work also as i don't know how to start this question :)

*September 7, 2016*

**Math**

A lecture hall has 108 chairs arranged in rows with the same number of chairs in each row. You eliminate three rows by adding six chairs to each of the other rows. How many rows are there now ? How many chairs are in each row ?

*May 25, 2016*

**economics**

If a new breakthrough in manufacturing technology reduces the cost of producing cricket bats by half, what would happen to the demand for cricket bats and demand for cricket balls?The answer is the demand for cricket bats unchanged, the demand for cricket balls increases. I ...

*March 22, 2015*

**Math (6)**

0.136

*April 30, 2014*

**Physics**

A jet has 4 engines, each capable of providing 415N of thrust. The mass of the jet is 140,000 kg. What is the greatest acceleration that the jet can achieve?

*October 4, 2013*

**physics**

An airplane is moving through the air at a velocity v=200m/s. Streamlines just over the top of the wing are compressed to 80% of their original area, and those under the wing are not compressed at all. a) Determine the velocity of the air just over the wing. b) Find the ...

*June 14, 2013*

**math**

3m +4 ___ =12 4

*December 17, 2012*

**English - ms. sue**

Mrs.sue What impression are created by the authors description of the playground and the school?

*December 3, 2012*

**physics**

One man hold a 3kg iron ball fall from 1.5m in the air. The ball then fall on to a table .The table is 0.5m tall. The ball bound up 3cm up and fall again. What is the impact(in Newton) the ball hit the table on the first time?

*July 21, 2012*

**science**

why will it look blurry when you blow air into the limewater

*July 13, 2012*

**Calculus**

Both are correct. Good job.

*February 21, 2012*

**chem**

calculate standard heats THE following REACTION : (H3C)3COH+HBr-----> (H3C)3CBr+H20

*September 25, 2011*

**Math**

Alyssa used 8 gal of gasoline to make a 192-mi trip. How much gasoline wl she need to make a 360-mi trip?

*January 30, 2011*

**Math**

If the difference of 135, and 98 is 37, what is the sum of the numbers?

*January 30, 2011*

**Biochemistry**

H3PO4 + (NH4)2MoO4 + H+ ? (NH4)3PO4•12MoO3•2H2O + NH4+ + H2O

*September 27, 2010*

**english**

we are going to interview a lectural...so what question we should ask him??example the first question is can u tell us about urself...

*July 30, 2010*

**english**

an english teacher wan us interview somebody that is also a english teacher..so what question should i ask??please give almost 10 question...thx

*July 30, 2010*

**Science**

noooooooooooo

*February 24, 2010*

**English**

Which is correct "In Jan 2009" or "On Jan 2009"

*February 20, 2009*

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