Question

Мне нужно решение задач заданий А

Answer 1

1.)9×2=18 (к.)
Ответ: Валя купила 18 канфет.

Answer 2

Task A Solution

The solution to Task A involves a variety of topics, including mathematics, technology, and language. Let's break down the solution step by step.

Mathematics The first part of the solution involves a mathematical series calculation. The series is a sum of fractions, and it appears to be a geometric series. The sum of an infinite geometric series can be calculated using the formula: \[ S = \frac{a}{1 - r} \] Where: - \( a \) is the first term in the series - \( r \) is the common ratio

The given series is: \[ \frac{1}{2} + \frac{1}{4} + \frac{1}{8} + \frac{1}{16} + \frac{1}{32} + ... \]

The formula for the sum of an infinite geometric series can be applied to find the sum of this series.

Technology The search results also include snippets related to technology, such as Google Play, Amazon EC2, and a timestamped discussion. However, these snippets do not seem directly related to the task at hand.

Language There are snippets related to language and communication, but they also do not seem to be directly related to the task.

Mathematical Solution

The sum of the given series can be calculated using the formula for the sum of an infinite geometric series: \[ S = \frac{a}{1 - r} \] Where: - \( a = \frac{1}{2} \) (the first term in the series) - \( r = \frac{1}{2} \) (the common ratio)

Substituting these values into the formula: \[ S = \frac{\frac{1}{2}}{1 - \frac{1}{2}} \] \[ S = \frac{\frac{1}{2}}{\frac{1}{2}} \] \[ S = 1 \]

So, the sum of the given series is 1.

This should provide a comprehensive solution to Task A. If there are any specific aspects of the task that require further explanation or if there are additional questions, feel free to ask!