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June 16, 2024, 07:55:45 pm

Author Topic: quick qst. fahrenheit  (Read 1154 times)  Share 

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lacoste

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quick qst. fahrenheit
« on: February 07, 2009, 05:13:49 pm »
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Fahrenheit (F) .. F=9/5C+32

Celcius (C)


How do I calculate the temperature at which Fahrenheit and Celcius are the same?

I rearranged Fahrenheit so that it is C= instead but had no luck getting the answer.

thanks

Flaming_Arrow

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Re: quick qst. fahrenheit
« Reply #1 on: February 07, 2009, 06:17:27 pm »
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what do you mean at the same time?
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lacoste

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Re: quick qst. fahrenheit
« Reply #2 on: February 07, 2009, 06:57:00 pm »
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Calculate the temperature at which the fehrenheit and celsius temperatures are the same

Flaming_Arrow

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Re: quick qst. fahrenheit
« Reply #3 on: February 07, 2009, 07:01:16 pm »
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whats the full question?
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Glockmeister

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Re: quick qst. fahrenheit
« Reply #4 on: February 07, 2009, 07:04:10 pm »
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Ah right... Try letting F = C ... (If I'm getting your drift.)
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jackinthepatch

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Re: quick qst. fahrenheit
« Reply #5 on: February 07, 2009, 07:08:54 pm »
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I substituted both F and C for x, so that the equation became x = 9/5x + 32. Then I transposed and solved for x, to get -40.

Edit: http://abyss.uoregon.edu/~js/images/fahrenheit_celsius.gif Lol this proves my answer, I had to make sure by searching google :P
« Last Edit: February 07, 2009, 07:12:05 pm by jackinthepatch »
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lacoste

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Re: quick qst. fahrenheit
« Reply #6 on: February 07, 2009, 07:36:10 pm »
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yep, cheers mates. i get ya jackinthepatch, just let F and C= x, then solve instead of rearranging the everything.


THANKS!!!

lacoste

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Re: quick qst. fahrenheit
« Reply #7 on: February 07, 2009, 07:38:57 pm »
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What are you up to for Further? Or what chapter i should say?

we're doing graphs and relations

jackinthepatch

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Re: quick qst. fahrenheit
« Reply #8 on: February 07, 2009, 07:42:09 pm »
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Well we're doing core at the moment in class. So the whole histogram and box plots thing lol, nice and easy.
We've got networks, matrices, and business maths coming up though.
VCE 2008:
Physical Education [50]
VCE 2009:
Business Management [49]
Biology [48]
Further Mathematics [44]
Chemistry [39]
English Language [36]

ENTER: 99.25