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Lina20 [59]
2 years ago
9

You have 976 grams of a radioactive kind of rhodium. How much will be left after 120 seconds if its half-life is 30 seconds?

Mathematics
1 answer:
erik [133]2 years ago
5 0

Answer:

61 grams

Step-by-step explanation:

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A principal of $5,350 is placed in an account that earns 3.5% interest. If the interest is compounded annually, how much money w
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we know that  

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

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t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

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substitute in the formula above  

A=5,350(1+\frac{0.035}{1})^{1*4}=\$6,139.25

therefore

<u>the answer is the option D </u>

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7 0
3 years ago
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Lets assume that they are driving at an average of 70mph, and getting gas takes 10 minutes, and stopping to eat takes 30.

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and Gas is 10 x 3 = 30 minutes (0.5 hours)

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Step-by-step explanation:

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