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Harrizon [31]
3 years ago
6

1. If $18,000 is invested at 6% compounded monthly, what is the amount after 7 years?

Mathematics
1 answer:
stira [4]3 years ago
8 0
P = 18,000
R=6%
T=7 years

A = P ( 1 + 1 divided by r) raised to n
Substitute the numbers an u will fin the answer
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sin2x =12/13

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STEP - BY - STEP EXPLANATION

What to find?

• sin2x

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• cos2x

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• tan2x

Given:

tanx = 2/3 = opposite / adjacent

We need to first make a sketch of the given problem.

Let h be the hypotenuse.

We need to find sinx and cos x, but to find sinx and cosx, first determine the value of h.

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\begin{gathered} \cos 2x=(\frac{3}{\sqrt[]{13}})^2-(\frac{2}{\sqrt[]{13}})^2 \\  \\ =\frac{9}{13}-\frac{4}{13} \\ =\frac{5}{13} \end{gathered}

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\tan 2x=\frac{\sin 2x}{\cos 2x}=\frac{\frac{12}{13}}{\frac{5}{13}}=\frac{12}{5}

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sin2x =12/13

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