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Morgarella [4.7K]
3 years ago
15

Maria deposited some money in to an account, and had an annual simple interest rate of 5%. If she left the money in the account

for 9 months and earned $18.75 in interest, how much money did she originally deposit into the account?
Mathematics
1 answer:
trapecia [35]3 years ago
5 0

Answer:

$18.71

Step-by-step explanation:

18.75 = P x .05 x .75

18.75 = P x .0375

18.75 - .0375 = P

$18.71 = P


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prohojiy [21]
<h2>Answer:</h2>

55°

<h2> Step-by-step explanation:</h2>

To solve this, follow these steps:

i. <em>Make a sketch of the problem</em>.

The sketch has been attached to this response.

ii. <em>Label the sketch properly</em>

As shown in the sketch, θ is the angle between the x-axis and the terminal side resulting from connecting the origin to (5,7).

iii. <em>Solve using the tangent trigonometric ratio</em>

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Using the tangent formula,

tan θ = opposite / adjacent

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θ = 54.46

θ = 55° to the nearest integer.

Therefore, the angle  made by the x axis and the terminal side resulting from connecting the origin to (5,7), rounded to the nearest integer is 55°

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myrzilka [38]
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⭐ Answered by Hyperrspace (Ace) ⭐

⭐ Brainliest would be appreciated, I'm trying to reach genius! ⭐

⭐ If you have questions, leave a comment, I'm happy to help! ⭐

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