Author Topic: Maths & Physics Help  (Read 59941 times)

Offline godfather93

  • SF Senior Citizen
  • *****
  • Posts: 720
  • Reputation: 799
  • Gender: Male
  • Tomorrow is a day that changes everyday
Re: Maths & Physics Help
« Reply #285 on: May 09, 2009, 10:27:50 pm »
yup

Offline astarmathsandphysics

  • SF Overlord
  • *********
  • Posts: 11271
  • Reputation: 65534
  • Gender: Male
  • Free the exam papers!
Re: Maths & Physics Help
« Reply #286 on: May 09, 2009, 10:28:03 pm »
On this forum everone is equal and I sometimes get it wrong. If a student gets it right 80% of the time that is worth an A*.

zara

  • Guest
Re: Maths & Physics Help
« Reply #287 on: May 09, 2009, 10:28:24 pm »
1/2

Offline Zain-Xa

  • SF Overlord
  • *********
  • Posts: 11833
  • Reputation: 10822
  • I got an "I <3 ?" written at the back of my hand
Re: Maths & Physics Help
« Reply #288 on: May 09, 2009, 10:35:23 pm »
KK thanxx
What can I do, to make it right
Falling so hard so fast this time
What did I say, what did you do?
How did I fall in love with you?


zzzzzZZZZZZzzzzzzzzz

I'll be strong.. I'll be wrong.. all the love goes on.. Oh im just a girl tryna find a place in this worLD..  Taylor swift <3

Offline love

  • Newbie
  • *
  • Posts: 23
  • Reputation: 28
Re: Maths & Physics Help
« Reply #289 on: May 10, 2009, 07:58:04 am »
f(x)= 10^x
f-1(x)=root of x
i.e if x =2 den f(x)=100
                   f-1=10
                   so d ans u wud get after solving wud equal 0
root of 10

Offline Christy

  • SF Citizen
  • ***
  • Posts: 145
  • Reputation: 2
Re: Maths & Physics Help
« Reply #290 on: May 10, 2009, 08:00:39 am »
f(x)= 10^x
f-1(x)=root of x
i.e if x =2 den f(x)=100
                   f-1=10
                   so d ans u wud get after solving wud equal 0
root of 10

wow im confused :S

Offline astarmathsandphysics

  • SF Overlord
  • *********
  • Posts: 11271
  • Reputation: 65534
  • Gender: Male
  • Free the exam papers!
Re: Maths & Physics Help
« Reply #291 on: May 10, 2009, 08:09:57 am »
f(x)= 10^x
f-1(x)=root of x
i.e if x =2 den f(x)=100
                   f-1=10
                   so d ans u wud get after solving wud equal 0
root of 10

y=10x so log10y=x now swap x and y over y=log10x and f-1x=log10x

Offline Christy

  • SF Citizen
  • ***
  • Posts: 145
  • Reputation: 2
Re: Maths & Physics Help
« Reply #292 on: May 10, 2009, 08:13:17 am »
ok firstly im not trying to be stupid ... but wat is log ??

i no its in the calculator but wat do u use it for ??

and ... please can someone explain wat astar and love are talking about cause they are making me nervous ...

more likely explain in baby steps

Offline SGVaibhav

  • SF Farseer
  • *******
  • Posts: 3013
  • Reputation: 5737
  • Gender: Male
  • Bugatti Veyron 16.4
Re: Maths & Physics Help
« Reply #293 on: May 10, 2009, 08:14:04 am »
i wish my school would have offered additional mathematics.
it sounds so much fun!!

Offline Christy

  • SF Citizen
  • ***
  • Posts: 145
  • Reputation: 2
Re: Maths & Physics Help
« Reply #294 on: May 10, 2009, 08:16:37 am »
i wish my school would have offered additional mathematics.
it sounds so much fun!!

WOW ..... u wish tht ... ull be entering in ur worse nightmare ... more like digging ur own grave :D

jokes :)

Offline SGVaibhav

  • SF Farseer
  • *******
  • Posts: 3013
  • Reputation: 5737
  • Gender: Male
  • Bugatti Veyron 16.4
Re: Maths & Physics Help
« Reply #295 on: May 10, 2009, 08:17:56 am »
there is no such thing as worse nightmare, all nightmares are nightmares

Offline astarmathsandphysics

  • SF Overlord
  • *********
  • Posts: 11271
  • Reputation: 65534
  • Gender: Male
  • Free the exam papers!
Re: Maths & Physics Help
« Reply #296 on: May 10, 2009, 08:18:22 am »
I will do it. Come on skype or yahoo. My userbame is astarmathsandphysics

Offline godfather93

  • SF Senior Citizen
  • *****
  • Posts: 720
  • Reputation: 799
  • Gender: Male
  • Tomorrow is a day that changes everyday
Re: Maths & Physics Help
« Reply #297 on: May 10, 2009, 08:18:57 am »
i'm also interested in finding out what's log button in the calc.

Offline love

  • Newbie
  • *
  • Posts: 23
  • Reputation: 28
Re: Maths & Physics Help
« Reply #298 on: May 10, 2009, 08:24:36 am »
arey..itz like
in inverse
division becomes multiplication and vice verse
addition becomes substraction and vice verse
same way
square becomes square root
got...ya nahi
so f(x)=10^x become f-1(x)= square root of 10

Offline godfather93

  • SF Senior Citizen
  • *****
  • Posts: 720
  • Reputation: 799
  • Gender: Male
  • Tomorrow is a day that changes everyday
Re: Maths & Physics Help
« Reply #299 on: May 10, 2009, 08:27:34 am »
what's log though?