2 years ago

1. A pair of shoes went on sale 40% off the original price of $78.00. What

Mathematics

1 answer:

AURORKA [14]2 years ago

5 0

Answer:

$31.20

Step-by-step explanation:

40% of 78 is 31.2

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Step-by-step explanation:

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2 years ago

If tan = 12/5 and cos = -5/13, then what is sin?

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9514 1404 393

Answer:

sin -12/13

Step-by-step explanation:

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tan = sin/cos

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2 years ago

Suppose you invest $400 at an annual interest rate of 7.6% compounded continuously. How much will you have in the account after

likoan [24]

$\bf ~~~~~~ \textit{Compounding Continuosly Interest Earned Amount}\\\\
A=Pe^{rt}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to& \$400\\
r=rate\to 7.6\%\to \frac{7.6}{100}\to &0.076\\
t=years\to &1.5
\end{cases}
\\\\\\
A=400e^{0.076\cdot 1.5}\implies A=400e^{0.114}$