Mathematics
18.06.2021 20:01
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Quinton just read that his new computer, which costs $2,500, loses 10% of its value

Quinton just read that his new computer, which costs $2,500, loses 10% of its value every year. Which function

can be used to determine the value of his computer after

x years?

A f(x) = 2,500(.10)*

Cf(x) = 10(2,500)*

B f() = 2,500(1.1)*

D f(x) = 2,500(.90)*
Show Answers
teresaparraz34
teresaparraz34
4,7(35 marks)

x/2500=10/100

Step-by-step explanation:

paolaviviana
paolaviviana
5,0(84 marks)

9514 1404 393

  C)  √3

Step-by-step explanation:

The repeating decimals are both single digits, beginning at the decimal point. So, their equivalent is that digit divided by 9:

  0.\overline{4}=\dfrac{4}{9}\\\\0.\overline{9}=\dfrac{9}{9}=1

This means the given expression can be simplified to ...

  \dfrac{3\sqrt{0.\overline{4}}+\sqrt{0.\overline{9}}}{\sqrt{3}}=\dfrac{3\sqrt{\dfrac{4}{9}}+\sqrt{\dfrac{9}{9}}}{\sqrt{3}}=\dfrac{3\cdot\dfrac{2}{3}+1}{\sqrt{3}}=\dfrac{3}{\sqrt{3}}=\boxed{\sqrt{3}}

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