Friday

February 12, 2016
Total # Posts: 119

**reading articles in english**

could you give me some advice how to read academic articles in english?? english is my second language and also I have to read sociological and philosophical texts in english for my master thesis. do you have any idea??
*November 7, 2008*

**Calculus**

solution for part B for the normal line equation firstly you have to find again slope. product of tangentline's slope and normal line's slope must be -1. there fore line's slope.(-4/3)=-1 line's slope= 3/4 then the line equation is y-3= =(3/4)(x-4) we get y= 3x...
*November 7, 2008*

**Calculus**

I solved the question in A but please check.. first of all you have to find y while x=4 and as you find y^2=25-16=9 and y=3 then you have to find slope. It's derivative of y function so (slope)m=1/2(1/25-x^2)(2x). if we write 3 instead of x we will get m(slope) as -4/3. ...
*November 7, 2008*

**Calculus**

2x+2y.y'-4+7y'=0 y'(2y+7)=(4-2x) y'=(4-2x)/(2y+7) as you found:)
*November 7, 2008*

**exam questions**

I've already seen some of these sites but not all. thanks for your advice.
*November 6, 2008*

**exam questions**

As you said they have their own archives which are not open to share. so I'm writing here and looking for help. how did you become as examiner? Could explain for me??
*November 6, 2008*

**exam questions**

Yes you're right but here in a third world country it's not easy. despite all I have to do. thanks for your advice.
*November 6, 2008*

**exam questions**

unfortunately I'm the instructor. this is my first year at IB programme. maybe I could ask other teachers. thanks..
*November 6, 2008*

**exam questions**

yes I have looked that site but as you say they are selling these questions. I'm looking for free one.. do you have any other idea? thanks again:)
*November 6, 2008*

**exam questions**

sorry.. I'm looking for IB(SL)mathematics exam questions. passed or sample? I need sample math IB questions. thanks for your attention..
*November 6, 2008*

**exam questions**

hi I'm looking for the past exam questions. Could you help me? Where I can find? thanks.
*November 6, 2008*

**4th grade**

what are the four basic climates and an example of each
*October 20, 2008*

**algebra**

can someone help me with this? radical 7v-4=radical 5v+10
*April 29, 2008*

**physics--HELP**

Use a(t)=-32 ft/s squared as the acceleration due to gravity. A ball is thrown vertically upward from the ground with an initial velocity of 56 feet per second. For how many seconds will the ball be going upward?
*October 9, 2007*

**math**

a(x+c)= b(x-c)
*September 16, 2007*

**English**

Why did the newspaper Publick Occurrences Both Foreign and Domestick start in the first half of the 18th century? thank you so much! :)
*August 30, 2007*

**social studies**

What is the latitude and longitude of Greenwich, England?
*August 23, 2007*

**english**

which one of the sentences uses but as a preposition? A I wanted to leave,but I was embaressed to do so. B The lake is pretty, but it's too cold for swimming. Neither of those sentences uses "but" as a preposition. In both it is used as a conjunction. "But&...
*September 28, 2006*

**math**

please help me i need help before tomorrow please help i need help on my homework Post a question and someone will try to help. Be specific about what you don't understand. i need help on greatest common factor What unit would you use if talking about area It would be ...
*September 5, 2006*