Pregunta
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A new car is purchased for 23700 dollars. The value of the car depreciates at \( 13.5 \% \) per year. What will the value of the car be, to the nearest cent, after 10 years?

Ask by Harrington Ray. in the United States
Jan 24,2025

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After 10 years, the car will be worth approximately $5,557.89.

Solución

To find the value of the car after 10 years, we can use the formula for exponential decay, which is given by: \[ V = P(1 - r)^t \] where: - \( V \) is the future value of the car, - \( P \) is the initial value of the car (23700 dollars), - \( r \) is the rate of depreciation (13.5% or 0.135), - \( t \) is the time in years (10 years). Now, let's substitute the known values into the formula: \[ V = 23700(1 - 0.135)^{10} \] First, we need to calculate \( 1 - 0.135 \): \[ 1 - 0.135 = 0.865 \] Now we can calculate \( 0.865^{10} \): \[ V = 23700 \times 0.865^{10} \] Next, we will calculate \( 0.865^{10} \) and then multiply it by 23700. Let's perform these calculations. Calculate the value by following steps: - step0: Calculate: \(0.865^{10}\) - step1: Convert the expressions: \(\left(\frac{173}{200}\right)^{10}\) - step2: Use the properties of exponents: \(\frac{173^{10}}{200^{10}}\) Calculate or simplify the expression \( 23700 * 0.23451 \). Calculate the value by following steps: - step0: Calculate: \(23700\times 0.23451\) - step1: Multiply the numbers: \(5557.887\) Now that we have calculated \( 0.865^{10} \approx 0.23451 \), we can find the future value of the car: \[ V = 23700 \times 0.23451 \approx 5557.887 \] Rounding this to the nearest cent, the value of the car after 10 years will be: \[ \text{Value of the car} \approx 5557.89 \text{ dollars} \] Thus, the value of the car after 10 years is approximately **$5557.89**.

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Bonus Knowledge

To calculate the value of the car after 10 years, we use the formula for depreciation: \[ V = P(1 - r)^t \] Where \( V \) is the future value, \( P = 23700 \) (initial value), \( r = 0.135 \) (depreciation rate), and \( t = 10 \) (time in years). Plugging in the values: \[ V = 23700(1 - 0.135)^{10} \] \[ V = 23700(0.865)^{10} \] Calculating \( (0.865)^{10} \approx 0.2810 \): \[ V \approx 23700 \times 0.2810 \approx 6657.70 \] So, after 10 years, the value of the car will be approximately **$6657.70**.

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