SOLUTION: If the length of a metal rod is given by the formula L=100+ {{{ a/1000 }}} T - {{{ b/100000 }}} T^2 Find {{{ dL/dT }}} when T=140 a=4 b=8

Algebra ->  Expressions-with-variables -> SOLUTION: If the length of a metal rod is given by the formula L=100+ {{{ a/1000 }}} T - {{{ b/100000 }}} T^2 Find {{{ dL/dT }}} when T=140 a=4 b=8      Log On


   



Question 848017: If the length of a metal rod is given by the formula L=100+ +a%2F1000+ T - +b%2F100000+ T^2
Find ++dL%2FdT+ when T=140
a=4
b=8

Found 2 solutions by ewatrrr, Fombitz:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
when T=140 , a = 4 and b = 8
++dL%2FdT+=+4%2F1000+-+2%2A8%2A140%2F100000+

Answer by Fombitz(32388) About Me  (Show Source):