2 years ago

View the Amortization Table and use it to answer each question.

Mathematics

1 answer:

Tatiana [17]2 years ago

7 0

Answer:

1. $104,854

2. $274,854

Step-by-step explanation:

did it on edge and it was correct

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3 years ago

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2 1/4 and 1 3/8 simplest form multiply

IceJOKER [234]

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3 years ago

Jean’s salary last month was $3200. Because of worse beneficial result of her company, this month her salary decreased to $2720.

vesna_86 [32]

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Step-by-step explanation:

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3 years ago

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Firlakuza [10]

The amount of substance left of a radioactive element of half life, $t_{\frac{1}{2}}$ after a time, t, is given by:

$N(t)=N_0\left( \frac{1}{2} \right)^ \frac{t}{t_{ \frac{1}{2} }}$

Given that <span>potassium-40 has a half life of approximately 1.25 billion years.

The number of years it will take for 0.1% of potassium-40 to remain is obtained as follows:

$0.1=100\left( \frac{1}{2} \right)^ \frac{t}{1.25}} \\ \\ \Rightarrow\left( \frac{1}{2} \right)^ \frac{t}{1.25}}=0.001 \\ \\ \Rightarrow\frac{t}{1.25}\ln\left( \frac{1}{2} \right)=\ln(0.001) \\ \\ \Rightarrow \frac{t}{1.25}= \frac{\ln(0.001)}{\ln\left( \frac{1}{2} \right)} =9.966 \\ \\ t=9.966(1.25)=12.5$

Therefore, </span><span>the maximum age of a fossil that we could date using 40k is 12.5 billion years.</span>

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Step-by-step explanation:

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