SOLUTION: What is the solution to 80.81=9.53e^.5k + 72.9? (Solving for k, e is the number e)

Question 56027: What is the solution to 80.81=9.53e^.5k + 72.9?
(Solving for k, e is the number e)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
What is the solution to 80.81=9.53e^.5k + 72.9?
(Solving for k, e is the number e)
------------
Subtract 72.9 from both sides to get:
7.91 = 9.53e^(0.5k)
Divide both sides by 9.53 to get:
0.83 = e^0.5k
Take the natural log of both sides to get:
0.5k=-0.186329...
k=-0.372659...
Cheers,
Stan H.
RELATED QUESTIONS
Evaluate or indicate that the root is not a real number.81 A. 3 B. 9 C. 72... (answered by asuar010)

Two numbers add to 9. What is the largest possible value for their product? A. 9/2 B.... (answered by Alan3354)

what is the next number for this pattern 7, 21, 8, 72, 9, ? answer: 81 243 123... (answered by MathLover1)

if k is a positive integer,what is the least value of k for which sqrt (5k/3) is an... (answered by josmiceli)

Find the perimeter of the square in which a circle of area 81 pi is inscribed. A. 81... (answered by Alan3354,Mathematicians,richwmiller)

What is answer in Lowest terms ((5+5k)/4) + ((1+k)/8) Work done: ((5+5k)/4) +... (answered by Theo,JBarnum)

Please help me solve for k 6(k-1)-(5k-9)= -6 I have tried solving it as follow:... (answered by rothauserc)

what is the solution to: implicit differentiation e^x + e^y =... (answered by MaartenRU)

What is the proper way to solve this proof? 1. (T ● K) v (C ● E) 2. K... (answered by Edwin McCravy)