A company buys a machine for $475,000 that depreciates at a rate of 30% per year. Find a formula for the value of the machine after n years. V(n) = 475000(0.7)" What is its value after 7 years? (Round your answer to two decimal places.) $ X

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Chapter1: Functions And Models
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**Depreciation of a Machine: Calculating Future Value**

A company buys a machine for **$475,000** that depreciates at a rate of **30%** per year. To determine the value of the machine after \( n \) years, use the formula:

\[ V(n) = 475000 \times (0.7)^n \]

**Formula Explanation:**

- **\( 475000 \)**: Initial purchase price of the machine.
- **\( 0.7 \)**: Represents the remaining value after 30% depreciation (i.e., 100% - 30% = 70%, or 0.7 in decimal form).
- **\( n \)**: Number of years the machine has depreciated.

**Question:** What is its value after **7 years**? (Round your answer to two decimal places.)

- **Answer Box:** Incorrect notation indicating the answer needs to be calculated and entered.
Transcribed Image Text:**Depreciation of a Machine: Calculating Future Value** A company buys a machine for **$475,000** that depreciates at a rate of **30%** per year. To determine the value of the machine after \( n \) years, use the formula: \[ V(n) = 475000 \times (0.7)^n \] **Formula Explanation:** - **\( 475000 \)**: Initial purchase price of the machine. - **\( 0.7 \)**: Represents the remaining value after 30% depreciation (i.e., 100% - 30% = 70%, or 0.7 in decimal form). - **\( n \)**: Number of years the machine has depreciated. **Question:** What is its value after **7 years**? (Round your answer to two decimal places.) - **Answer Box:** Incorrect notation indicating the answer needs to be calculated and entered.
**Problem Statement:**

Find the sum of the convergent series. (Round your answer to four decimal places.)

\[
\sum_{n=1}^{\infty} (\sin(1))^n
\]

**Instructions:**

To solve this problem, you need to evaluate the infinite geometric series where the common ratio \( r = \sin(1) \).

**Concepts:**

- **Convergent Series:** A series that approaches a finite limit as the number of terms goes to infinity.
- **Geometric Series Sum Formula:** For a geometric series \(\sum_{n=0}^{\infty} ar^n\) with \(|r| < 1\), the sum is given by: 
  \[
  S = \frac{a}{1-r}
  \]
  where \( a \) is the first term of the series and \( r \) is the common ratio.

**Application:**

In this example, set \( a = \sin(1) \) and \( r = \sin(1) \). Calculate the sum using the formula for the geometric series sum, rounding the final answer to four decimal places.
Transcribed Image Text:**Problem Statement:** Find the sum of the convergent series. (Round your answer to four decimal places.) \[ \sum_{n=1}^{\infty} (\sin(1))^n \] **Instructions:** To solve this problem, you need to evaluate the infinite geometric series where the common ratio \( r = \sin(1) \). **Concepts:** - **Convergent Series:** A series that approaches a finite limit as the number of terms goes to infinity. - **Geometric Series Sum Formula:** For a geometric series \(\sum_{n=0}^{\infty} ar^n\) with \(|r| < 1\), the sum is given by: \[ S = \frac{a}{1-r} \] where \( a \) is the first term of the series and \( r \) is the common ratio. **Application:** In this example, set \( a = \sin(1) \) and \( r = \sin(1) \). Calculate the sum using the formula for the geometric series sum, rounding the final answer to four decimal places.
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