8.1 Die waarde van ' \( n \) droogskoonmaakmasjien met ' \( n \) beginwaarde van R295 000, verminder teen \( r \% \) p.j. met die verminderde saldo metode. Na vyf jaar is die masjien se waarde R130 000. Beteken die koers \( r \) waarteen die masjien se waarde afneem.

A normal distribution has mean \( \mu=486 \) and standard deviation \( \sigma=35 \). Approximately what percent of the data fall between 416 and 521 ? Approximately \( \square \% \) of the data fall between 416 and 521. (Type an integer or a decimal.)

12. A melon costs \( € 2.25 \). How much would ten such melons 13. Which of the throm

Find the compound interest and future value. Do not round intermediate steps. Round your answers to the nearest cent. Principal Rate Compounded Time \( \$ 845 \) The future value is \( \$ \square \), and the compound interest is 9 years

(14) Calcula l'altura d'un prisma pentagonal sabent que la base té una apotema de \( 2,06 \mathrm{~cm} \) i una àrea de \( 15,48 \mathrm{~cm}^{2}, i \) que l'àrea total del prisma és de \( 105,97 \mathrm{~cm}^{2} \).

Given \( g(x)=\sqrt[3]{-3 x+9.3} \), use interval notation to indicate the domain. Round any decimal values to two decimal places. Answer Keyboard Shortcu