Question: Just number 17 & 20 I got 2 completely different answers 16. solve the equation Log ( 2X-1) - Log (x-4)_ Log9. Then, substituting the

Just number 17 & 20 I got 2 completely different answers

16. solve the equation Log ( 2X-1) - Log (x-4)_ Log9. Then, substituting the correct 3 solution into the expression ( x - 2 x + 3 ) , you get : 17. Express as a single Logarithm: 51(2x- D +3 box - 4 en ( x-+1) 18. Suppose #3500 is invested in an account, paying interest at a rate of 6-# %% , compounded quarterly . How Long will it take to double this investment. After you find the answer, substitute into the expression ( 5x=- 2X ) for x. The result is : 19. Express as sam or difference of simpler Logarithms : Log ( VX- 1 ) 5 Wy 2 20.A radioactive substance decays according to the equation QLt) = 600 e where Q (t) is the amount of the substance in grams left after t years. Find the "Half-life" of this substance Lithatis, the time it takes to decay to half of the initial amount. ). Then, substitute your answer into the expression (512+1) The result is

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