SOLUTION: B = r^2/30F B=185ft R=? F=0.65

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: B = r^2/30F B=185ft R=? F=0.65      Log On


   

Question 673371: B = r^2/30F B=185ft R=? F=0.65
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
B+=+%28r%5E2%29%2F30F
r%5E2+=+30F%28B%29
...
r^2 = 30(.65)(185)
r^2 = 3607.5
...
sqrt%28r%5E2%29 = +/- sqrt%283607.5%29
r = +/- sqrt%283607.5%29
.....................
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