SOLUTION: For each formula, solve for the variable specified. a) D = RT for T. b) A = P + Prt for r. c) S = 4r(small 2) for r.

Algebra ->  Equations -> SOLUTION: For each formula, solve for the variable specified. a) D = RT for T. b) A = P + Prt for r. c) S = 4r(small 2) for r.      Log On


   

Question 1183027: For each formula, solve for the variable specified.
a) D = RT for T.




b) A = P + Prt for r.



c) S = 4r(small 2) for r.
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
a)
D+=+RT for T
D%2FR+=+RT%2FR
T=D%2FR+

b)
A+=+P+%2B+Prt+for r
A+-P+=+Prt+
A%2FPt+-P%2FPt+=+Prt%2FPt+
A%2FPt+-P%2FPt+=r+
r=A%2FPt+-1%2Ft++

c)
S+=+4r%5E2 for r
S%2F4=r%5E2

r=sqrt%28S%2F4%29

r=sqrt%28S%29%2Fsqrt%284%29

r=sqrt%28S%29%2F2