My Math Forum inequality problem and inequalities

 Algebra Pre-Algebra and Basic Algebra Math Forum

 November 13th, 2013, 10:36 PM #1 Newbie   Joined: Nov 2013 Posts: 2 Thanks: 0 inequality problem and inequalities Hello to all friends of the mymathforum I'm new in this community. Thank you! I would like to help me with this exercise, I have to deliver today: The temperatures in a 24 hour period between -4 ° F and 23 ° F, What was the variation in Celsius? (use F = 9/5 C +32)
 November 14th, 2013, 04:38 AM #2 Senior Member   Joined: Jul 2013 From: Croatia Posts: 180 Thanks: 11 Re: inequality problem and inequalities $F=\frac{9}{5} C+32$ multiply by 5 $5F=9C+160$ $9C=5F-160$ $C=\frac{5}{9}F-\frac{160}{9}$ Now just plug in F=-4 and F=23 ( you will get-20°C and C=-5°C)
 November 14th, 2013, 07:45 AM #3 Global Moderator   Joined: Dec 2006 Posts: 18,959 Thanks: 1604 Or use the equivalent formula C = 5(F - 32)/9.
November 14th, 2013, 12:59 PM   #4
Newbie

Joined: Nov 2013

Posts: 2
Thanks: 0

Re: inequality problem and inequalities

Quote:
 Originally Posted by crom $F=\frac{9}{5} C+32$ multiply by 5 $5F=9C+160$ $9C=5F-160$ $C=\frac{5}{9}F-\frac{160}{9}$ Now just plug in F=-4 and F=23 ( you will get-20°C and C=-5°C)
Thanks you ver much

Quote:
 Originally Posted by skipjack Or use the equivalent formula C = 5(F - 32)/9.
Thanks you MOD!

 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post limes5 Elementary Math 1 September 4th, 2013 08:43 PM niki500 Trigonometry 9 January 25th, 2012 01:37 AM julian21 Probability and Statistics 3 April 8th, 2011 08:51 PM Havoc Math Events 2 October 26th, 2010 08:15 AM 012anonymousxyz Abstract Algebra 2 December 31st, 1969 04:00 PM

 Contact - Home - Forums - Cryptocurrency Forum - Top