Link BD consists of a single bar 30 mm wide and 12 mm thick. Knowing that each pin has a10 mm diameter, determine the maximum value of the average normal stress in the link BD if θ = 15 degrees.

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Question

MATH1A

Please Solve ninth Question - I dont know whether the answer is right or wrong

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9. The initial value of an investment is $12,000. If the investment earns an annual interest rate of 2.2%, what is its value in 10 years? O $14,917.30 $14,640.00 $14,627.93 $87,655.58

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Answer

Step 1

9. If p= initial investment , r = rate of interest t= number of years

 Then Total amount after t years is given by  $A=p+\frac{prt}{100}$

   

Step 2

Here p = $12000 , r = 2.2% and t = 10 years

       Then the amount will be 

                                             $$\begin{gathered} A=12000 +\frac{12000\times 2.2\times 10}{100} \\ \therefore A=12000 +2640 \\ \therefore A=14640.00 \end{gathered}$$        

           The value in 10 years = $ 14640.00