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3 years ago

5

Find all values of x in the interval [0, 2π] that satisfy the equation. 7 sin(2x) = 7 cos(x)

1 answer:

cricket20 [7]3 years ago

6 0

Turn sin(2x) into 2sin(x)cos(x) and solve.
the equation should be in the book.
you also need to know your unit circle
I might be wrong though

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Patel made a deposit into an account that earns 5%simple interest. After 10 years Patel had earned $1500 in interest. How much w

Delicious77 [7]

$\bf ~~~~~~ \textit{Simple Interest Earned}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\to &\$1500\\
P=\textit{original amount deposited}\\
r=rate\to 5\%\to \frac{5}{100}\to &0.05\\
t=years\to &10
\end{cases}
\\\\\\
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KATRIN_1 [288]

Answer:

3,992.34 (I think)

Step-by-step explanation:

Set an equation:

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